5th grade science research projects

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50 Fantastic 5th Grade Science Projects, Experiments, and Activities

There’s something so fascinating about hands-on science experiments and projects. They make learning so meaningful and so much fun! These 5th grade science projects help kids explore biology, physics, chemistry, and a whole lot more. Try one at the 5th grade science fair, or use a few to liven up your lesson plans.

To make things even easier, we’ve rated every one of these 5th grade science projects based on difficulty and materials.

Attributes: 4-5

Resource Link:  https://www.weareteachers.com/5th-grade-science-projects/

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Are you looking for science activities to do with your 5th graders? No sweat. We have you covered. Check out our list of 26 science projects and experiments that you can try with your 5th graders this month.

• Hand-Eye Coordination and Age | All-Science-Fair-Projects.com – Grades 2-5, Use a stopwatch and ping-pong ball to find out how hand-eye coordination changes as children get older.
• What Do Yeast Eat…and How Can You Tell? | Education.com – Grades 2-5, The objective of this project is to examine which foods yeast cells eat.
• How Do Antacids Work? | Biochemistry Discovery Lab – Grades 3-6, Simulate out how antacids work to treat heartburn by using fake stomach enzymes.
• Mice & Music | Hubpages.com – Grades 3-6, Find out if music affects the performance of mice in a maze.
• A Magnetic Primer Designer | Sciencebuddies.org – Grades 3-6 Biology project that utilizes magnets to mimic the process that scientists use to replicate DNA, using the polymerase chain reaction.
• Growing Bacteria in Petri Dishes | Stevespanglerscience.com – Grades 3-6 biology In this science fair project, you must find samples of bacteria from an assortment of surfaces to find the surfaces that are the dirtiest.
• Effects of Ozone on Plants and Health | Julian’s Science Fair – Grades 4-6, Environmental conditions can dramatically impact plant growth and germination. Does increased ozone stunt germination and plant growth? Grow some plants and find out.
• Making Batteries from Fruits and Vegetables | Sciencebuddies.org – Grades 4-7, Use veggie power to build a simple battery from a variety of vegetables. Which ones are the most powerful?
• How Water Beats Rock | Education.com – Grades 1-5, Discover how water is more potent than rocks.  Experiment with ways that water can break the stone.
• Soil Type and Liquefaction | All-Science-Fair-Projects.com – Grades 1-5, Experiment with sand, clay, and loam and find out which type of soil dissolves most easily.
• Effects of Temperature and Humidity on Static Charges | Education.com – Grades 1-5, Use balloons, a rubber ball, and a scarf to investigate why those socks stick together when you take them out of the dryer and how conditions in the air affect static electricity.
• Dig This: Biodegradation | Education.com – Grades 2-6, How do organic materials become soil? This science experiment measures which materials biodegrade.
• Geology 101 | Education.com – Grades 2-6, Water carries lots of soil and minerals in a creek. In this project, you’ll examine the behavior of water and gravel in creek beds and the formation of sedimentary rocks.
• Geothermal Power Plant Model | Energyquest.ca.gov – Grades 3-6, Use a pinwheel and a can of boiling water to simulate geothermal power production. Determine how to generate the most energy from your “power plant.”
• Egg Substitutes | Sciencebuddies.org – Grades 3-6, Many people avoid eggs because of allergies or diet preferences. But eggs play a vital chemical function in baking and cooking. Evaluate the ability of egg substitutes to mimic their binding, leavening, or thickening properties.
• How Much Water is Required to Cook Pasta? | Sciencebuddies.org – Grades 3-6, We’re used to cooking our pasta in a big pot of boiling water. Do you actually need that much water, time, and energy to cook pasta? Perform some experiments to find out.
• Building the Best Bridge | Education.com – Grades 3-6, This project helps students develop an understanding of architecture and engineering through experimentation of which shapes are the most structurally strong.
• Rubber Bands for Energy | Sciencebuddies.org – Grades 3-6, Put the energy of rubber bands to work and learn about the relationship between potential and kinetic energy.
• Properties of Pendulums | Illinois Institute of Technology – Grades 3-6, Pendulums have been used for timekeeping for hundreds of years. Find out how changes in mass and length affect the oscillation of a pendulum.
• Bust That Rust! | Education.com – Grades 3-10, Investigate the chemistry of rust and the oxidation process. Younger students will use steel wool, water, salt, and vinegar. Older students will explore the chemistry of rust.
• Wind Around the Home | Education.com – Grades 4-6, Learn about wind speed and duration and different locations around your home. Determine the best site(s) for a windmill.
• Arch Magic: The Unbreakable Egg | Education.com – Grades 4-7, Tell you, folks, tonight is a good night for an egg dinner. Use the eggshells to explore how arches distribute weight. Demonstrates the power of arches by asking students to pile telephone books on top of eggs without damaging them.
• How a Comet’s Size Affects How Fast It Melts | Sciencebuddies.org – Grades 4-7, Comets are often compared to giant, dirty snowballs, and the comet tail you see in the sky is evidence of melting. In this project, you’ll use figure out how the size of a comet affects its melting rate.
• Make an Electromagnet | Energyquest.ca.gov -Grades 4-7, Learn how to create an electromagnet from batteries, wire, and a knife switch. How does changing to kind of batteries used affect the power of your
• Bombs Away! A Ping Pong Catapult | Science Buddies.org – Grades 4-7, They fly through the air with the greatest of ease. Find ways to put a ping pong ball accurately on target time after time.
• The Mechanics of Carnival Games | Sciencebuddies.org – Grades 5-8, Find out why those carnival games are so hard. Learn the fundamental laws of science that help the concessionaires engineer the games in their favor.

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Fifth Grade Science Fair Project Ideas

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40 Mind-blowing Fifth Grade Science Projects

By Suzanne Brown | Last Updated April 17, 2022

There are many different types of science projects you can do with your 5th-grade class. This article will list five other examples of science projects that you can try, ranging from easy to complex. There is a brief description and the materials needed to complete the project…

These fifth-grade scientific exercises introduce children to biology, physics, chemistry, and various other subjects. Try one at your local science fair, or incorporate a few into your lesson plans.

1. Race Down a LEGO Zip-line

In this experiment, you will use a LEGO zip-line to test whether the force of gravity is stronger than the friction between an object and a surface. What You Need: Two large flat pieces of cardboard, Two 16-inch long dowel rods, Two 8-inch long dowel rods, Two 6-inch long dowel rods, Six 1×4 LEGO bricks, One 2×6 LEGO brick. Scissors, Tape, Hot glue gun, and glue.

2. Slow Your Roll

In this experiment, you will learn more about the physics of rolling down a hill on a small object . What You Need: A pencil, Three 2×4 LEGO bricks, One 4×4 LEGO brick, One 2×6 LEGO brick, One ruler, Pencil, or pen with an eraser.

3. Erupt a Salt Dough Volcano

You will learn about t he science of volcanoes and volcanism in this experiment . What You Need: One 2×6 LEGO brick with White Elmer’s glue, One tablespoon of salt, Dough that is no more than twice as thick as the LEGO bricks (you can use flour or play-dough), A piece of paper to hold up your volcano if it collapses.

4. Peel an Orange to Understand Plate Tectonics

You will learn about geology and plate tectonics in this experiment. What You Need: One 2×6 LEGO brick, One bowl of water, three large plates, eight small plates Scissors Piece of paper with the word “Eurasia” written on it.

5. Discover the Strength of Eggshells

Learn about eggshells and how they protect developing chicks during the first few weeks of life in this experiment; what You Need:

• One 2×6 LEGO brick
• Two plastic eggs
• One piece of PVC pipe
• A small funnel with a handle
• One cup of water

6. Fly Clothespin Airplanes

In this experiment, you will learn about flight and the physics of wing design . What You Need: One 16-inch by 6-inch piece of cardboard Two clothespins Tape Scissors One paperclip One piece of paper

7. Observe Lava Lamp Dynamics

Lava lamps are fascinating . Learn more about their internal dynamics in this experiment. What You Need: One lava lamp (at least 20 inches tall) One 2×6 LEGO brick Paper Clothespins or a binder clip A cup of water A small jar or cup of clear ketchup with a lid

8. Demonstrate the “magic” Leakproof Bag

Do you want to see how the bag can stay fully intact while continually being filled with water? Try this experiment and see how the pack works. What You Need: One 2×6 LEGO brick, A bag of some sort (such as a Ziploc bag), Scissors, Tape Two 9-inch-long pieces of PVC pipe.

9. Explore the Science of Glow Sticks

Learn about the science behind glow sticks and how they function in this experiment. What You Need: Two 2×6 LEGO bricks, One empty plastic bottle with a lid, One glow stick, One 8-inch long piece of PVC pipe (optional)

10. Stop Soil Erosion with Plants

Plants can help stop soil erosion in this experiment . What You Need: One sunflower seed, One piece of poster board, One 6×6 LEGO brick, A large flat rock or piece of slate, A pencil, and an indoor watering can

11. Fill a Bubble with Dry Ice Vapor

In this experiment, you will use a dry ice “bomb” to create a bubble that contains high amounts of carbon dioxide, what You Need:

• One 2×6 LEGO brick.
• Two 9-inch long pieces of PVC pipe (one bent into a “U”).
• One cup of water.
• One small plastic bottle with a lid.

12. Grow Crystal Snowflakes

This experiment will use a few basic chemicals to grow a beautiful crystal snowflake . What You Need: One tablespoon of borax, one cup of water, Two 2×6 LEGO bricks, Paper Scissors, Safety goggles (optional)

13. Spin a Candle Carousel

You will put up a carousel of candles in this experiment to determine whether their positioning influences their melting speed. Three candles are required. A single 6×6 LEGO brick Scissors Made of Paper Tape A identifier

14. Escape from Quicksand

In this experiment, you will test whether quicksand and water will affect sinking in quicksand . Experiment with different sizes of Lego blocks to determine the size needed to sink in the quicksand. What You Need: One piece of PVC pipe, One 6×6 LEGO brick, One 3-2/3 x 1-1/5-inch poster board Scissors Tape.

15. Write in Invisible Ink

In this experiment, you will write messages in invisible ink and see whether they can be read. What You Need: One notebook (A5 size) Two pieces of cardboard Two pieces of paper Two sticks Two markers Pencils Sharpie fine point markers or black permanent marker (optional)

16. Set off a Chain Reaction

In this experiment, you will set off a chain reaction to determine whether the speed or strength of the trigger is more influential. You will also test how many eggs are needed to set off a chain reaction; what You Need: One 2×6 LEGO brick, One egg, One piece of poster board, Two 9.5-inch long pieces of PVC pipe.

17. Play Catch with a Catapult

In this experiment, you will test the physics of catapults and how they can launch objects farther than arm strength alone can accomplish; what You Need: One 2×8 LEGO brick (2×6 brick and two 1×4 bricks can be used if a 2×8 brick is not available). Two 5-inch pieces of PVC pipe, One rubber band, Scissors Tape, and One paper clip.

18. Find out if Water Conducts Electricity

In this experiment, you will test various materials to see which conducts electricity the fastest. What You Need: One 2×6 LEGO brick, One 3-inch piece of PVC pipe (optional), and Two 9-inch long pieces of PVC pipe (one bent into a “U”). A potato or other small, dry object Water in two containers with holes in the sides. Paper clips A fresh potato.

19. Bounce on a Trampoline

Learn about trampolines and their construction in this experiment . What You Need: One 2×6 LEGO brick A yardstick or meter stick A large piece of cardboard Two 18-inch long pieces of PVC pipe One metal pan or can (about 1 inch in diameter) Scissors The main instructions will be on the paper that’s taped to your yardstick.

20. Float a Marker, Man

In this experiment, you will test how buoyancy and the fibreglass resistivity of water influence marker men floating in the water ; what You Need: One 2×6 LEGO brick, One marker man (water-resistant marker), Scissors, Tape Water in a container with a hole in the side. A pen or pencil.

21. Build a Solar Oven

In this experiment, you will use the sun’s power to cook an egg. What You Need: One 2×6 LEGO brick, Two 9-inch long pieces of PVC pipe, and One piece of paper taped around a pencil with two pieces of paper clips. Electrical tape or duct tape (optional) An egg, A cookie sheet.

22. Launch Your Own Bottle Rocket

Launch a bottle rocket to determine whether high-level wind can make a difference in the rocket’s velocity what You Need: A 4×5 LEGO brick, One 4×8 piece of paperboard Scissors, Tape, A sharp knife (optional), An empty bottle (optional), and One 2×6 LEGO brick.

23. Build a Snack Machine

In this experiment, you will test how different parts of the machine can influence how steady the snack machine is; what You Need: One 2×6 LEGO brick, Three 9-inch long pieces of PVC pipe, One piece of poster board, Scissors Tape, One paper clip.

24. Explode a Soda Geyser

In this experiment, you will test whether the incidence of a geyser’s rise can be influenced by moving its base what You Need: One 2×6 LEGO brick, One large piece of poster board, Two 18-inch long pieces of PVC pipe, Two pieces of paper Scissors Tape Water in two containers with holes in the sides.

25. Watch the Heartbeat with Marshmallows

In this experiment, you will test to see whether your body heat can be detected with marshmallows, paper, and a stopwatch. What You Need: One 2×6 LEGO brick, One marshmallow, One piece of poster board, Three 9.5-inch long pieces of PVC pipe Scissors Tape.

26. Build a Catapult and Launch a Rock

Build a catapult and launch a rock in this experiment to determine whether the speed of the launch is influenced by the height from which the projectile is launched. What You Need: One 2×6 LEGO brick, One 3-inch piece of PVC pipe (optional) Rubber band (optional), An egg Scissors Tape A rock.

27. Discover the Delights of Decomposition

Decomposition is when the remains of plants and animals are returned to the soil. Learn about this process in this experiment. What You Need: A glass jar (the lid should have a hole in it), Two pieces of paper Scissors Tape, A pencil or pen.

28. Mix up some Magic Sand

With a little bit of imagination mixed with your science skill, you can make your DIY magic sand! What You Need: One 20-gram sachet of corn starch (can be substituted with flour), Two tablespoons of baking soda, A teaspoon of salt Water Two tablespoons of cream, and oil. Work out how much water and baking soda to use for the amount of corn starch you plan on using in this experiment. Mix your ingredients. It’s going to be very sticky, so work carefully so that it doesn’t spill everywhere.

 29. Make Your Bouncy Balls

In this experiment, you will test how mass, density, and temperature affect the formation of bouncy balls. What You Need: One 2×6 LEGO brick Three 9-inch long pieces of PVC pipe Two rubber bands Scissors Tape Four 1×4 plates (square plates are fine) A plastic bottle or jar.

30. Make a Foil Bug Walk on Water

This experiment will test how adding foil to a bug’s feet can help it walk on water. What You Need: One 2×6 LEGO brick Two 9-inch long pieces of PVC pipe Three 9.5-inch long pieces of PVC pipe (one bent into a “U”) Scissors Tape Newspaper A small ball.

31. Assemble Archimedes’ screw

In this experiment, you will test whether the force applied to a screw can be increased by adding weight to it what You Need: One 2×6 LEGO brick, A piece of poster board, Two pieces of PVC pipe, Twenty-four washers (2 inches in diameter), Sixteen nuts Scissors, Tape Wood glue.

32. Blow up a Balloon – without Blowing

In this experiment, you will test how air pressure can be changed. What You Need: One 2×6 LEGO brick Eighteen rubber bands (two-inch diameter rubber bands are recommended) One balloon One piece of poster board Two 9.5-inch long pieces of PVC pipe Sixteen nuts Scissors Tape.

33. Use Rubber Bands to Sound out Acoustics

In this experiment, you will use rubber bands to test the science behind how instruments are created and where they are placed. What You Need: Empty paper bag, A piece of poster board, Scissors Tape, Rubber bands

34. Study Water Filtration

In this experiment, you will test how water filtration works to filter bacteria from water. What You Need: One 2×6 LEGO brick, A piece of poster board (or two pieces of paper taped together), Two 9.5-inch long pieces of PVC pipe Scissors Tape Water in a container with a hole in the side Paper towel.

35. Discover Density with Hot and Cold Water

With this experiment, you will test how density is affected by temperature. What You Need: One 2×6 LEGO brick Two pieces of paper A pencil A glass jar (the lid should have a hole in it) Water (hot and cold)

36. Learn to Layer Liquids

This density demo is more difficult, but the results are stunning in a glass, layer of honey, dish soap, water, and rubbing alcohol. Your 5th-grade science students will be delighted when the liquids magically float together (except it is real science).

37. Light(ing) it up Indoors

This experiment shows how static electricity builds up indoors. It is really simple, too! Just rub a balloon on your head and on the carpet to charge it up with static electricity. Then take this charged balloon outside and see what happens when you bring it near another charged balloon. This is because the negative charge on your hair transfers to the other balloon (which is positively charged). Don’t do this in the rain!

38. Find out If a Dog’s Mouth is Cleaner than a Human’s

Dogs are man’s best friend, but they also have a reputation for having cleaner mouths than humans. This experiment tests whether this is true by having participants place their mouths on a dog’s tongue and a human’s tongue.

39. Recycle Newspaper into an Engineering Challenge

You can use a variety of containers such as boxes, cups, and bowls to test the strength of paper. First, cut the paper into rectangular strips. Then arrange them on the inside of the container according to your design. Take a few steps back and evaluate how your design holds up to weight. If you feel ambitious, try putting a cup or two on top of the paper. You can also put some filler paper in between or underneath your container and see what happens when it gets weighed down.

40. Preserve Apple Slices

The lactic acid in the lemon juice inhibits bacteria from decomposing the apple slices. This activity allows your students the opportunity to see the science behind food preservation.

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5th Grade Science Project Ideas: Experiments, Model Building, DIYs, Challenges, And More

March 8, 2024 //  by  Sean Kivi

Hands-on experiments. They’re one of the greatest tool tips at a teacher or parent’s fingertips to ensure that their students understand new concepts. But where do you start with these? How do you know which experiments are the best for your 5th-graders, or which ones will help to promote learning in the most stimulating way? Well, look no further. This list of 65 5th-grade science projects compiles the best activities for encouraging your students’ discovery and passion for science, from biology, physics, chemistry, and more.

1. Bouncing on a trampoline

Get your kids learning while exercising! This mini trampoline experiment will help your 5th graders by challenging their construction skills and understand the basic principles of a rubber band. By adjusting their own contraption, they will discover how to make the highest bounce.

Learn More: Teach Student Savvy

2. The “magic” leakproof bag

Challenge your students to create a leakproof bag. They might think it’s magic, but you can use it to teach them all about the science of polymers. You can even develop on this by using other materials, too, like plastic bags that have a different size or thickness. Definitely one for your messier kids!

Learn More: Steve Spangler Science

3. Clothespin and popsicle stick airplanes

For this engineering activity, your student will need to create all sorts of airplanes using different household items, such as popsicle sticks and clothespins. Using different methods and construction material, they will see if their planes can actually fly! This experiment also has excellent links to STEAM, too.

Learn More: STEAMsational

4. Tornado in a Bottle

Bring the outside world inside with this fun and simple science experiment. You’ll only need a few things, like a bottle, water, and glitter, to help your students to understand the science behind natural disasters like a hurricane. You can even develop this to teach them about centripetal force as well.

Learn More: Cool Science Experiments Headquarters

5.  Float or Sink Pop Cans

Your students might already be familiar with the version of this experiment that uses eggs, so why not shake things up with soda cans instead? This experiment is a great way for your students to learn about density with different types of artificial sweeteners. You can also teach them about the dangers of too much sugar!

6. Invisible Ink

Your students will love transforming into secret agents with this amazing activity! Using baking soda as ink, they’ll turn their writing invisible. You can then reveal the message with grape juice or a heat source to teach them about paper fibers.

Learn More: ThoughtCo

7. D.I.Y. Snowflakes

All of the fun of snow, but with none of the mess and cold! This is a perfect way to teach your students about molecules and the separation of liquids in a way that they’ll find interesting. You can also use these as beautiful decorations all year round.

Learn More: Little Bins for Little Hands

8. Quicksand escape

Have you ever seen your students playing superhero games together? Well, this is your chance to turn those games into learning! This experiment scaffold kids’ learning of solid and liquid properties by learning through play. They will also discover the best ways to escape from this tricky texture!

Learn More: Education.com

9. Solar S’mores

Create a solar oven that traps the Sun’s energy in this delicious science experiment. Your students are to enjoy these tasty treats while they learn about alternative energy resources and greenhouse gases.

Learn More: Desert Chica  and   Climate Kids NASA

10. Monster Dry Ice Bubble

This experiment does require a little preparation, but it’s sure to be a hit with your students. They will explore the process of sublimation and learn about pressure as they watch the bubbles expand. As this involves dry ice, you will need to be careful with it.

Learn More: Wonder How To

11. Soil Erosion Experiment

This is a great activity to do outdoors on a nice day, as your students will find out about soil erosion and its harmful effects on the natural world. They’ll discover the importance of having vegetation cover the soil.

Learn More: Orlando Science Center

12. Newspaper STEM Challenge

Put those old newspapers to use in this innovative experiment that will foster the creative engineering skills of your kids. They will not only build up their teamwork skills but also develop their problem-solving capabilities by creating their own constructions using only paper materials. This makes it an excellent tool for introducing STEAM engineering concepts.

Learn More:  STEM Activities for Kids

13. Create a Bouncy Ball

Polymers are a hard concept for students to wrap their heads around, so you’ll want to keep the borax aside for this fun learning experiment. You’ll only need a few other spare ingredients to help create your own bouncy balls for your students. They can even play with them afterward!

Learn More:  Babble Dabble Do

14. Build a Snack Machine

Yet another delicious experiment, this one involves learning and applying everything they know about simple machines to create their own Mimi snack machine. It only requires a little basic mechanical engineering but it can be a little challenging trying to re-allocate the snacks.

Learn More:  Left Brain Craft Brain

15. Hot and Cold Density

If you’re looking for a quick science experiment, check out this rainbow density jar experiment. In less than 10 minutes, your kids will explore challenging concepts like water density, molecule science, and more. Try using food coloring for even better results!

Learn More:  STEAMsational

16. Build a Bridge

Challenge your students to re-construct their own models of famous bridges around the world to see which one is the strongest. You should encourage your students to make predictions about each bridge’s strongest design and weight limitations before testing.

Learn More:  Education

17. Testing Heat Capacity

This heat capacity experiment will answer any questions that your students have about why water takes so long to boil in comparison to oil. Your 5th-graders will also understand the different ways that liquids absorb heat and the amount of heat required to modify the object’s temperature by a certain amount (heat capacity).

Learn More: YouTube

18. Rock Candy

The tasty experiments continue with this rock candy creation. You can use it to show your kids the shape of sugar on a bigger scale. They will need your help with mixing boiling water, but they’ll definitely be able to enjoy the sweet results!

Learn More:   Steve Spangler Science

19. Sunlight vs. Artificial Light

Your students will learn about photosynthesis and the factors that can affect it in this science experiment. They will investigate whether plants grow better under natural sunlight or artificial light, as well as the plants’ general health, too.

20. Make a Compass

This excellent experiment is a great introduction to ideas about magnetism and the Earth’s magnetic field. Your students will make their own compass with a magnetized needle. Try challenging your students to compare the differences between magnetic north and geographic north.

21. Musical Glasses

Make some cross-curricular connections with this charming project. Using basic knowledge of physics, your students will create their own musical glasses of water. By studying the different types of material used, they can explore the various properties of glass with these musical masterpieces.

Learn More:  Teach Beside Me

22. Melting Ice Challenge

By adding different solids to ice cubes, your students will test what ingredients can be used to make ice melt faster. They can then record these to determine the melting time of each material. You’ll only need a few ingredients, such as salt, sugar, or baking soda.

Learn More:  Little Bins Little Hands

23. Exploring Fluorescence

This experiment will help your students to solve the mystery of “black lights” in an interesting way. It will also introduce them to the power of ultraviolet light and the electromagnetic spectrum, as well as the different ways that black light can be used.

Learn More:  Supply me

24. Flying Popsicle Sticks

Definitely one for your more active students! They’ll simply love learning about potential by weaving popsicle sticks together, then discovering kinetic energy when they throw them. You can challenge them further to see how long of a chain they can make.

Learn More:  Steve Spangler Science

25. Chalkboard Slime

Almost all 5th-graders love playing with slime, and this experiment is sure to be no different. By adding a few extra ingredients to a normal slime recipe, they’ll create their own slime that is thicker than ever before. An unmissable tool for learning about polymers.

26. Water Conductivity

This is a simple experiment, but it is certainly effective! Your 5th-graders will finally be able to understand the dangers of touching electrical sockets with wet hands. They’ll learn about conductivity and whether water really works as a conductor or not.

Learn More:  Rookie Parenting

27. Magic Marker Stick Man

Your students will think this marker stick man is magical when it comes to life! Instead, you can use this viral experiment to explain the solubility of materials and the use of adhesives.

Learn More:  Gizmodo

28. Making Lightning

A science experience that allows you to bend electricity to your will , even bring it … into the classroom? Dim the lights and bring on a foil-covered fork to find out how static electricity is created.

29. Watching the heartbeat with marshmallows

Mix this delicious treat with science to help your students learn about the circulatory system. They’ll see how the marshmallows “jump” with their heartbeats and understand even one of the hardest units on the human body.

Learn More: Growing Grade by Grade

30. Water Filtration

Demonstrate the water purification process as part of this engaging experiment. Your 5th-graders will explore ideas about water pollution and how to remedy it. You can try expanding on this by using different materials like oils and food coloring to see what happens.

31. Make Oxygen with the help of a plant

A plant’s ability to make oxygen is the main reason that we are alive today. Ene still, this is a difficult concept for students to understand. This project will help you teach how plants help us by producing oxygen. Try different plants to see which ones are best at producing the air we breathe.

Learn More: MEL Science

32. Pendulum Painting

This hands-on activity will help your students learn about important science concepts of potential and kinetic energy while making beautiful art they can be proud of.

Get painting at Jenny Rambles WordPress

33. Greenhouse Gases Experiment

Learn about how greenhouse gases affect the temperature of the planet by using baking soda and lights. You create a chemical reaction using baking soda and water to understand the effects of carbon dioxide on the atmosphere. Have fun!

Learn More: Da Vinci TV

34. Cabbage Chemistry Acid-Base Science Project

A great chemistry science fair experiment that will help your students learn about how acids, neutrals, and bases work. You will make a red cabbage acidity indicator. It’s a smelly but engaging experiment, so plug your nostrils and get to testing acidity.

35. Acid Rain Earth Science Effects

Acid rain is a big problem! It is created when we burn fuels to make electricity and has devastating effects on the areas where it falls. This project will teach Earth science principles by checking how acid rain affects chalk at different levels of acidity. Kids will love this!

36. Tooth Decay Model and Exploration

Teach your students the importance of oral health by demonstrating how tooth decay affects our teeth using our favorite body learning science experiment. You don’t need your teeth because you will use eggshells.

Learn More: Sciencing.com

37. Do Paper Clips Float?

This is a simple experiment to help your students understand surface tension. This is done with household products that you probably have lying around. You can substitute a paper clip for other items to see if they float and how surface tension affects the float-ability of objects. 

Learn More: Champak World

38. Make a Heart with Pumping Blood Model

Many people think that engineering projects are only good for earth sciences, but they work great for life sciences too. Your students will build a model of the circulatory system and test how it works in this hands-on project. 

Learn More: Exploratorium Teacher Institute

39. Electroscope Static Electricity

Built-up static electricity has given us all a shock once or again. This project aims to teach your students about how static electricity gathers and then shocks us. It can also teach about the best electrical conductors if you use various materials.

Learn More: The Kitchen Pantry Scientist

40. Apple Oxidation Experimentation

This is an engaging hands-on activity to get your students to understand the process of oxidization that takes place on objects left exposed to rain and water. We recommend using a variety of artificial sweeteners to test out how they affect the process.

Learn More: Mom Brite

41. Explore Density with a Lava Lamp

Acids and bases are a basic scientific concept and there is no better way to demonstrate them than with a groovy homemade lava lamp. Here you can also demonstrate the density of different liquids.

Learn More: OSC

42. Convection Currents in a Glass

By using water of different temperatures, students can observe convection currents when they drop food coloring in. This can be tied to ocean currents or currents in any large bodies of water.

Learn More: The Homeschool Scientist

43. Biospheres

Students must create one or several biospheres, each enclosed to show how they are all different. They must explain how the parts of each biosphere are interconnected and how it would be affected if one is removed.

Learn More: Laney-Lee

44. Discover Genetics

Students must collect basic information about their family’s characteristics on a gene table. This table must then be interpreted in a family tree to show how some traits can be inherited.

Learn More: Science Buddies

45. Digestive demonstration

With simple kitchen items, students can observe how bile from the liver breaks down fat in the digestive tract. Biological science is a fascinating world the students love exploring.

Learn More: Simple Southern

46. Archimedes’ Screw

This ancient invention is something students can make themselves, showing how a simple invention can change lives.

Learn More: Steps Engineers Ireland

47. Bottle Rocket Competition

Bottle rockets are an exhilarating way for students to explore aerodynamics and the laws of motion. They can change many aspects of their rockets to see who can fly higher or stay in the air longer.

Learn More: Teaching Engineering

48. Catapult Launches

Students can build their own catapults from popsicle sticks and try and catch the launches or aim them at a target. They must make conclusions about how shorter or longer arms on their design will change the outcomes.

49. Candle Carousel

This experiment lets your students prove that hot air rises! Start by having them follow the instructions to make cuts on an aluminum plate and then let them decorate it with colored markers before attaching a metal nut and straw. Once it’s set up, they can then add candles underneath and they’ll see the pinwheel at the top turning. More candles will also make it spin faster!

50. Water Balloon Density

Fill balloons with various liquids and have students predict which ones will float. They must explore the properties of each liquid that helps them to come to their conclusion.

Learn More: 123 Homeschool 4 Me

51. Self-Watering Plant

One hands-on way to teach your students about plant physiology is by having them create a self-watering plant system. While discovering how to create an efficient irrigation system, they’ll get to learn how plants absorb water through their roots and stems via capillary action.

52. Bottle Terrarium

Imagine a miniature world within a bottle! That’s exactly what your students get to build when creating a plant-based microcosm! It’s an exercise in understanding ecosystems, the water cycle, and photosynthesis. As they craft a terrarium in a bottle, they’ll observe firsthand how environmental changes impact these systems.

Learn More: Soul Flower

53. Homemade Battery

Electricity is fundamental to our world, but how is it generated? Your students can unravel this mystery by creating a homemade battery using everyday objects like lemons and pennies. Through this project, they’ll learn about core concepts such as current, voltage, and electrochemical reactions.

54. Dancing Rice Experiment

This fun and intriguing experiment demonstrates gas behaviors. To get their rice grains dancing, they’ll need to add vinegar to a mix of water, baking soda, and rice. What a nifty way to discover more about states of matter and gas production!

Learn More: Mott Children

55. Egg Drop Challenge

This isn’t just a fun science project- it’s a crash course in physics! Your students will need to construct a protective device to prevent an egg from cracking when dropped from a height. To do so they’ll need to think critically about concepts like gravity and force.

Learn More: Sciencing

56. Making a Sundial

Step back in time as your students take a crack at this project! As they craft a sundial, one of the earliest tools for telling time, they’ll learn about Earth’s rotation and how it affects our understanding of time.

Learn More: KDVR

57. Crystal Growing Experiment

What’s more fascinating than watching crystals grow? Your students are sure to love taking this project on! If they do, they’ll transform into little geologists and learn more about how geological processes result in amazing structures.

58. Homemade Rain Gauge

Who knew you could measure rainfall with a DIY tool? Students can build their own rain gauge and gain insights into the water cycle, precipitation, and the significance of data accuracy in science.

Learn More: Spectrum News

59. Sound Wave Experiment

Have your students explore the fascinating world of sound waves using just a spoon and a string. In conducting this experiment, they’ll dive into learning about how vibrations create sound and how sound travels differently through various mediums.

Learn More: KC Edventures

60. Invisible Extinguisher

Fire and oxygen – a relationship your students will explore by putting a candle out without blowing on it. As they pose various hypotheses, they’ll discover the role oxygen plays in combustion and observe what happens when fire is deprived of it.

61. Growing Mold Experiment

A slightly ‘yucky’, but fascinating experiment is to get your students to grow mold on different food items! This will provide them with insights into decomposition, microbial growth, and the importance of proper food storage.

62. Salt Water Desalination

This experiment prompts your pupils to consider how they could solve the world’s water crisis. As they take on a desalination experiment, they’ll develop an understanding of the processes of evaporation, condensation, and the water cycle.

Learn More: Teach Beside Me

63. DIY Barometer

Bring the weather station into your classroom with a DIY barometer! This science project will help students understand atmospheric pressure and how it’s used for weather predictions. All they’ll need to get started is a glass jar, rubber band, doctor’s glove, tape, markers, paper, and a straw. 

Learn More: Housing A Forest

64. DIY Wind Vane

Learning about wind direction becomes an art project when your students create their own! This fun project combines weather patterns, creativity, and problem-solving.

Learn More: Generation Genius

65. Paper Chromatography

Using paper chromatography, your students will break down black ink into its component colors. This project allows them to develop an understanding of solubility and intermolecular forces. 

Learn More: Rainy Day Mum

Science and STEM learning is best when it’s hands-on, and each of these experiments is a great example of this. Don’t forget to encourage your students to complete a write-up activity before and after each one to really push their scientific understanding.

Frequently Asked Questions

What is a good science project for a 5th grader.

A good science project should introduce students to new concepts, but with hands-on and exciting experiments. Take a look at the list above for the most exciting.

What are some easy experiments?

Each of the experiments that we have listed above requires very little setup and is easy to do in the classroom or at home. Plus, they all have proven results that will get your students interested in learning science, too!

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Science Struck

Amazing 5th Grade Science Fair Projects That are Kid-friendly

5th graders are inquisitive, curious, and willing to experiment with what fascinates them. Science projects give students a chance to understand complex, scientific phenomena through simple experiments. Encourage this need to learn, discover and prod, by introducing them to these fascinating ideas for 5th grade science fair projects.

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Science fairs are a gateway to an opportunity where students can display their work proudly, by using various materials that mind-boggle those who chance upon each stall. It’s not only a valuable learning experience, it’s a chance to sharpen their communication skills at a young age; they will be nervous at first while speaking, but it will slowly come naturally once they get into the flow of explaining what their project is about.

5th graders are abuzz with energy and are open to all sorts of things, where science becomes an instant favorite as a subject, as they grow. Devising project ideas for fifth graders shouldn’t be very difficult, since children of this age are eager to experiment.

Kids have questions about the world and are interested to know about why things happen the way they do. They are so enthusiastic, that they’ll do anything to satisfy their hunger for knowledge. They’ll dirty themselves in muck to collect earthworms, enter turbid waters to closely inspect ‘aquatic’ life, or climb tall trees to examine a bird’s nest. Their craving for learning is insatiable where it’s best to channelize this curiosity in the right direction, by encouraging them to participate in science fairs, exhibitions, and project competitions. These 5th grade science fair projects, will teach them how the things around us aren’t as ordinary as they seem.

5th Grade Science Fair Project Ideas

Magical frost.

Things Required

• A cup and a ½ of Epsom salts
• 2 cups of water
• A glass saucepan
• 2½ tablespoons of powdered laundry detergent
• A paint brush
• A medium-sized sheet of ordinary glass
• 2 oz. of dextrin (a.k.a, baked corn starch – optional)

Procedure Step 1 : Place the glass saucepan over a medium flame on the stove, and pour into this the two cups of water.

Step 2 : Wait for the water to start bubbling before adding the Epsom salts. Stir thoroughly for about 30 seconds until some of the salts dissolve, leaving the rest settled at the bottom of the saucepan.

Step 3 : Take the saucepan off the heat and stir into this, the powdered laundry detergent and dextrin.

Step 4 : Wait for the water to cool down, before using the paint brush to slather the mixture across the glass sheet; leave it aside to dry. If this is too messy, a good alternative would be to pour the mixture in a shallow tub before submerging the glass sheet into it. Leave the tub in a sunlit area for the glass sheet to dry faster, while the excess water evaporates. The result will be a frosted glass with vivid detailing.

What Kids Will Learn

Kids will learn how Epsom salts upon drying, will crystallize to form frost-like deposits across the glass, as it coalesces with the other ingredients to form a stiff bonding. The glass can be used as a decorative piece in the classroom, or at home where it can be on display for all to see post the science fair.

Jack and the Beanstalk

• A handful of beans
• Watering can
• Rubber gloves
• Paper and colored pencils

Procedure Step 1 : Choose any kind of beans that you’d like to plant (mung beans, for example), and let kids place these in individual pots. Teach them the importance of using gloves while potting and handling plants, to avoid contaminating their hands.

Step 2 : Using an index finger, create little holes in the mud, spacing them apart so that the beans have enough room to grow.

Step 3 : Once the beans are tucked into their little mud pockets, cover them up by sliding mud across these openings.

Step 4 : Pat the soil gently for a few seconds (to even it out), and then pour a little water into the pot from the watering can. Leave it on a windowsill that receives plenty of sunlight, and have kids water it twice daily during school hours. Have them record their observations by drawing it on paper, and marking each day’s date as well.

Kids will learn about how plants grow, and what it takes to nurture them into full-grown spectacles. It will ‘sow’ in their hearts the desire to plant something on their own at home, where parents can play a major role in encouraging this particular interest. Beans aren’t the only things that can be experimented with. Try fast-blooming plant varieties like marigolds and cosmos.

Magnified Beauty

• A bunch of colorful leaves
• Large magnifying glass

Procedure Step 1 : Tear a leaf into half (or scrape the top of it), and stain the exposed edge with a single drop of red dye.

Step 2 : Sandwich the leaf between two microscope slides, and have students record their observations under the microscope.

Step 3 : They will notice how intricate the inside of a leaf is, as the red dye highlights the transparent bits. It is truly a sight to behold for a 5th grader.

Step 4 : After this experiment, take students out into an area where there is an abundance of plant life, and using magnifying glasses, have them record their observations by analyzing flowers, leaves, or even insects.

Kids will learn about the marvels of nature and how plants look ordinary to the naked eye, but are in fact a whole different story when closely examined. Help them identify the plants that they chance upon, using a reference book that enlists all kinds of flowers and non-flowering plants. The microscope experiment can be used to examine not just leaves, but petals as well.

Handmade Sundial

• 1 sturdy stick
• A handful of pebbles

Procedure Step 1 : Find a sunny spot to carry out the experiment, whether it’s at the beach, a backyard, or school playground. Bury the stick in the mud / sand and have kids take notice of the shadow it casts.

Step 2 : Explain to them how the shadow will start to shift, depending on the movement of the sun’s rays, much like that of an old-fashioned sundial. Showing them what a sundial looks like beforehand, will make them understand the experiment better.

Step 3 : Track the shadow’s movement by keeping a clock on hand, marking the time in a notebook before placing a pebble where the shadow of the stick falls.

Step 4 : Tell kids to check on the dial every 3 hours, marking the time in their notebooks along with a diagram of the sundial. They must also place a row of pebbles along the length of the stick’s shadow, and draw the number (that signifies the time) in the mud / sand using a pencil. They must be whole numbers, so that they can create a sundial that has a complete rotation of 9 – 12 – 3 – 6 – 9.

Kids will learn a fun way of telling the time, and can create their own kind of sundial at home using creative materials. Parents / teachers can help them put a sundial together for the science fair project, using things like cardboard, paint, stickers, glitter, and other imaginative add-ons.

Color-Changing Marvel

• Celery stalk (or any light-colored flower on its stem)
• Food coloring (any one color)
• Tall glass of water

Procedure Step 1 : In a glass of water, add 3 tablespoons of desired food coloring, briefly stirring the solution so that the water is a solid color.

Step 2 : Place the celery stalk (snip the bulbous end off) or flower in an upright position in the glass of colored water.

Step 3 : The following day, students will be in awe to witness the celery stalk / flower carrying coloration changes, that it absorbs from the colored water.

Kids will learn about how plants sustain themselves, using their roots or exposed ends (like the celery stalk) to suck in water. This experiment doesn’t have to be restricted to a glass of water. To change the colors of white flowers, a potted plant can be watered with colored water instead of regular water. Let students experiment with an entire pot of white lilies or roses, to give them a beautiful blush once water is absorbed.

Other Science Fair Projects to Try

#Demonstrating the laws of motion # Showing experiments on the uses of solar energy # Making a volcano model # Demonstrating the anomalous expansion of water # Conducting litmus tests to identify acids from bases # Distinguishing a boiled egg from a raw one # Experimenting with how music helps plants grow # Testing the effects of salt on the freezing point of water # Demonstrating how the color of an object determines its size, according to visual perception # Testing the effect of temperature on a magnet’s properties # Making miniature models of simple machines # Comparing people’s pulse rate from different age groups (using a stethoscope) # Doing a comparative study of the time taken by different people, to respond to the same stimuli

These ideas for 5th grade science fair projects are a fun mix of different experiments, that kids can try out at home before putting it up on display. Once they get the hang of doing the experiments on their own, have them come up with others that they’d like to try, by performing the experiments in the class laboratory first.

Science projects provide students with the means to apply scientific concepts to a practical situation, experimenting with what they read in books. Projects serve as an excellent learning experience for students, as they can put into practice all the interesting scientific theories they are taught in class. Help students conduct thorough research on the subject of their project. Guide them in the analysis of experimental data and in deriving conclusions. Warn them of the safety precautions they need to take, so as to avoid any mishaps. Most importantly, give these inquisitive young minds the freedom to experiment. You never know, these kids could be ‘scientists-in-the-making’.

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120+ Exciting 5th Grade Science Project Ideas With Hypothesis In 2023

Are you ready to embark on an exciting journey into the world of 5th-grade science projects with hypotheses? Science projects are not just about fun experiments; they also involve forming hypotheses to make educated guesses about outcomes. But what makes a good hypothesis for a science project? In this blog, we’ll explore the key components of a successful hypothesis.

Selecting the right 5th-grade science project can be a challenge, and we’ll share some valuable tips to help you choose the perfect one. We’ll dive into the importance of combining hypothesis with your science project and why it’s a vital aspect of learning and discovery.

But that’s not all! We’ve also compiled an extensive list of 120+ exciting 5th-grade science project ideas with hypothesis, providing you with a wealth of inspiration for your next scientific adventure. Stay tuned with us to unleash the world of  5th-grade science project ideas with hypothesis  and nurture your curiosity in the process.

What Is A Good Hypothesis For A Science Project?

Table of Contents

A good hypothesis for a science project is like a smart guess. It helps scientists figure out what they think will happen in their experiment. To make a good hypothesis, you need to use words like  if  and  then.  For example,  If I water the plant every day, then it will grow taller.  This shows what you’re going to do and what you expect to see.

In addition, a strong hypothesis also needs to be testable. That means you can experiment to see if it’s true or not. It’s like a detective’s clue that leads you to find the answer. Scientists use good hypotheses to guide their experiments and learn new things about the world. So, making a good hypothesis is an important part of any science project.

Things To Remember While Selecting A 5th Grade Science Project Ideas With Hypothesis

Here are some things to remember while selecting a 5th grade science project ideas with hypothesis:

1. Personal Interest

Choose a 5th-grade science project that interests you. Picking a topic you’re curious about makes the project more enjoyable. Whether it’s plants, animals, or space, your passion can make learning fun.

2. Age-Appropriate

Make sure the project is right for your grade level. A 5th-grade project shouldn’t be too simple or too complex. It should match your skills and what you’ve learned in school.

3. Available Resources

Check if you have access to the materials you need. Some projects might need special tools or expensive stuff. It’s essential to choose something you can do with the materials you have.

4. Safety First

Keep safety in mind. Select a project that’s safe to do at home or in school. Make sure you won’t be using anything harmful or dangerous.

5. Clear Instructions

Look for a project with clear instructions. It’s easier when you know what to do step by step. Projects with easy-to-follow directions help you succeed and learn better.

Developing A Hypothesis For Your Science Project

Developing a hypothesis for your science project is a crucial step. It’s like making an educated guess about what you think will happen during your experiment. Here are seven key points to consider while creating a hypothesis:

• Identify the Variables: Determine the two things you’re testing in your experiment, the  if  and  then  parts. For example, if you’re testing plant growth, the variables could be  amount of sunlight  and  plant height. 
• Be Specific: Make sure your hypothesis is clear and precise. Avoid vague or broad statements. The more specific, the better.
• Predict the Outcome: Your hypothesis should state what you expect to happen. Will one variable cause a change in the other? State your prediction clearly.
• Use  If-Then  Statements : Craft your hypothesis using  if-then  statements to show the relationship between the variables. For instance,  If the amount of sunlight increases, then the plant height will also increase. 
• Keep It Testable: Ensure that your hypothesis is something you can test through an experiment. It should lead to concrete results that you can measure.
• Avoid Bias: Make sure your hypothesis doesn’t show your personal beliefs. It should be based on research and evidence, not what you want to happen.
• Revisit and Revise : As you conduct your experiment, be ready to adjust your hypothesis if the results don’t match your initial prediction. Science is all about learning and adapting.

Here we have a list of 120+ exciting 5th grade science project ideas with hypothesis in 2023: 

• Balloon Rocket

Hypothesis –   If I inflate a balloon and release it, then it will move forward because of the escaping air. 

• Moldy Bread

Hypothesis –  I think bread left in different conditions will develop mold at varying rates. 

• Growing Plants 

Hypothesis –   If I give plants different amounts of water, then they will grow differently. 

• Magnet Magic

Hypothesis –  I predict that magnets will attract some objects but not others. 

• Lemon Battery

Hypothesis –  I believe I can create a battery using a lemon because it is acidic. 

• Volcano Eruption

Hypothesis –   I expect that a mixture of vinegar and baking soda will create a volcanic eruption. 

• Density of Liquids

Hypothesis –   I think different liquids have different densities, and some will float on top of others. 

• Solar Still

Hypothesis –   I predict that a solar still can collect clean water from dirty water through evaporation. 

• Bouncing Balls

Hypothesis –   I believe that balls made from different materials will bounce to different heights. 

• Static Electricity

Hypothesis –   I think rubbing a balloon on my hair will create static electricity that attracts objects. 

• Fruit Battery

Hypothesis –  I expect that fruits like oranges and lemons can power a small light bulb. 

• Color-Changing Milk

Hypothesis –  I predict that adding soap to milk with food coloring will make colorful patterns. 

• Tornado in a Bottle

 Hypothesis –   I think that by swirling water and dish soap in a bottle, I can create a tornado-like vortex. 

• Water Filtration

Hypothesis –   I believe that by using sand and gravel, I can filter impurities from water. 

• Rust Formation

Hypothesis –  I predict that metal objects left in water will rust over time. 

• Candy Dissolving

Hypothesis –  I think that different candies will dissolve at different rates in water. 

• Seed Germination

Hypothesis –  If I plant seeds in various conditions, then they will sprout at different rates. 

Hypothesis –  I expect that by using a simple rain gauge, I can measure rainfall accurately. 

• Sound Vibrations

Hypothesis –   I believe that different objects will produce different sounds when struck. 

• Egg Drop Challenge

Hypothesis –   I predict that if I design a protective container, the egg will survive a fall. 

• Paper Airplanes

Hypothesis –   I think that altering the shape of paper airplanes will affect their flight distance. 

• Food Preservation

 Hypothesis –   I expect that different methods of food preservation will keep food fresh longer. 

• Homemade Slime

Hypothesis –  I believe that mixing glue and borax will create a slimy substance. 

Hypothesis –   I predict that combining oil and water with Alka-Seltzer will create a mesmerizing lava lamp effect. 

• Air Pressure

Hypothesis –   I think air pressure can be measured with a simple barometer. 

• Crystal Growth

Hypothesis –  I expect that I can grow crystals by dissolving substances in water. 

• Ocean Currents

Hypothesis –   I predict that hot water and cold water will create ocean currents in a container. 

• Rainbow in a Jar

Hypothesis –   I believe I can create a rainbow by layering different liquids with different densities. 

• Static Electricity Levitation

Hypothesis –  I think that static electricity can make a small object levitate. 

• Melting Ice

Hypothesis –   I predict that adding salt to ice will cause it to melt faster. 

• Potato Battery

Hypothesis –   I expect that a potato can conduct electricity and power a small device. 

• Pendulum Swing

Hypothesis –   I believe that the length of a pendulum will affect its swing time. 

• Soda Geyser

Hypothesis –   I predict that dropping Mentos candies into soda will create a geyser. 

• Chromatography

Hypothesis –  I think I can separate the colors in markers using chromatography. 

• Heat Transfer

Hypothesis –  I expect that different materials will transfer heat at varying rates. 

• Rainfall and Runoff

Hypothesis –   I predict that if I simulate rainfall on different surfaces, some will produce more runoff. 

• Fizzy Lemonade

Hypothesis –   I believe that combining lemon juice and baking soda will make lemonade fizzier. 

• Rock Identification

Hypothesis –  I think I can identify different rocks by their characteristics. 

Hypothesis –  I predict that by cutting a straw, I can make it produce musical sounds like an oboe. 

• Taste Perception

Hypothesis –   I expect that people’s taste perception may change when their sense of smell is altered. 

• Color-Changing Flowers

Hypothesis –   I believe that adding food coloring to water will change the color of white flowers. 

• Solar Cooker

Hypothesis –   I predict that a solar cooker can cook food using only the sun’s energy. 

• Tornado Formation

Hypothesis –  I think that rotating two bottles will create a tornado effect. 

• Vinegar and Baking Soda Rocket

Hypothesis –  I expect that mixing vinegar and baking soda in a bottle will launch it into the air. 

• Popsicle Stick Bridge

Hypothesis –  I predict that I can build a strong bridge using only popsicle sticks and glue. 

• Rainfall Patterns

Hypothesis –  I believe that rainfall patterns can be different in various parts of the world. 

• Chemical Reactions

Hypothesis –  I think mixing certain chemicals will result in a visible reaction. 

• Fruit Decomposition

Hypothesis –   I predict that different fruits will decompose at different rates. 

• Balancing Act

Hypothesis –  I expect that I can balance various objects on a pivot point. 

• Photosynthesis Simulation

Hypothesis –   I believe that using a simple setup, I can show how plants perform photosynthesis. 

• Sinking and Floating

Hypothesis –  I think that objects with different densities will either sink or float in water. 

• Tooth Decay

Hypothesis –  I predict that different liquids will affect teeth differently, simulating tooth decay. 

• Rainwater Collection

Hypothesis –   I expect that by using a funnel, I can collect rainwater efficiently. 

• Soundproofing

Hypothesis –  I think that different materials will block sound to varying degrees. 

• Egg in a Bottle

Hypothesis –   I predict that I can place a peeled hard-boiled egg into a bottle without breaking it.  

• Water Wheel

Hypothesis –   I believe that the flow of water can make a small wheel turn.  

• Invisible Ink

Hypothesis –   I expect that I can create invisible ink that reveals messages under certain conditions.  

•  Heat from the Sun

Hypothesis –   I predict that a dark-colored object will get hotter in the sun than a light-colored one.  

• Layered Liquids

Hypothesis –   I think that liquids of different densities will form layers when mixed.  

• Candle Burning

Hypothesis –   I predict that different types of candles will burn at different rates.  

• Buoyancy with Clay Boats

Hypothesis –   I believe I can make clay boats that float and carry small loads.  

Hypothesis –   I expect that a mixture of cornstarch and water will behave strangely, like a liquid and a solid.  

• Magnetic Slime

Hypothesis –   I predict that adding iron filings to slime will make it magnetic.  

• Stalactites and Stalagmites

Hypothesis –   I think I can grow stalactites and stalagmites using a simple solution.  

Hypothesis –   I expect that different substances will have varying pH levels, which can be tested with indicator paper.  

• Solar Still for Drinking Water

Hypothesis –   I believe that a solar still can produce clean drinking water from saltwater.  

Hypothesis –   I predict that I can create a sundial that tells time using the sun’s shadow.  

• Dissolving Sugar

Hypothesis –   I expect that sugar will dissolve faster in hot water than in cold water.  

• Balloon Inflator

Hypothesis –   I think that a chemical reaction in a bottle can inflate a balloon.  

• Baking Soda and Vinegar Boat

Hypothesis –   I predict that a boat made from materials like baking soda and vinegar will move.  

• Oil Spill Cleanup

Hypothesis –   I believe that using different materials can help clean up an oil spill in water.  

• Seed Dispersal

Hypothesis –   I predict that seeds can be dispersed in various ways, such as by wind or animals.  

• Lemonade Sweetness

Hypothesis –   I expect that lemonade sweetness can be adjusted by adding sugar in different amounts.  

• Density of Solids

Hypothesis –   I think different solid objects will have different densities, which can be measured.  

• Making Ice Cream

Hypothesis –   I predict that I can make ice cream by mxing ingredients and using ice and salt.  

• Conduction and Insulation

Hypothesis –   I believe that different materials will either conduct or insulate heat.  

• Centrifugal Force

Hypothesis –   I predict that spinning an object will create a centrifugal force that affects its path.  

• Balloon-Powered Car

Hypothesis –   I expect that a car powered by a balloon will move because of the escaping air.  

• Candle Extinguisher

Hypothesis –   I think that covering a candle with a glass will extinguish it by using up the oxygen inside.  

• Water Filter Comparison

Hypothesis –   I predict that different water filters will remove impurities to varying degrees.  

• Capillary Action

Hypothesis –   I expect that water will rise differently in materials with varying capillary action.  

• Static Electricity and Salt

Hypothesis –   I believe that salt can be moved with static electricity.  

• Food Coloring in Flowers

Hypothesis –   I predict that adding food coloring to water will change the color of flowers.  

• Bottle Trombone

Hypothesis –   I think I can make a simple trombone-like instrument using a plastic bottle.  

• Windmill Power

Hypothesis –   I expect that a windmill can generate power when exposed to wind.  

• Chewing Gum Flavor

Hypothesis –   I predict that the flavor of chewing gum changes over time as it’s chewed.  

• Yeast Balloons

Hypothesis –   I believe that yeast will produce gas that can inflate a balloon.  

• Water Wheel Efficiency

Hypothesis –   I think that the design of a water wheel affects its efficiency in generating power.  

• Simple Electric Circuit

Hypothesis –   I expect that I can make a light bulb glow by completing an electric circuit.  

• Sugar Crystal Lollipop

Hypothesis –   I predict that sugar crystals will grow on a string dipped in a sugary solution.  

• Temperature and Magnetism

Hypothesis –   I believe that magnets will behave differently at various temperatures.  

• Styrofoam and Acetone

Hypothesis –   I expect that acetone will dissolve styrofoam.  

• Starch in Foods

Hypothesis –   I think I can test for the presence of starch in different foods using iodine.  

• Balloon-Powered Boat

Hypothesis –   I predict that a boat powered by a balloon will move on water.  

• Melting Chocolate

Hypothesis –   I expect that chocolate will melt at different rates when heated.  

• Air Pollution and Plant Growth

Hypothesis –   I believe that exposing plants to air pollution will affect their growth.  

• Simple Motor

Hypothesis –   I predict that I can build a simple motor that turns when an electric current flows through it.  

• Lemon Battery Voltage

Hypothesis –   I expect that different fruits will produce varying amounts of electricity when used as batteries.  

• Fireworks in a Jar

Hypothesis –   I think that mixing oil and colored water will create a fireworks-like display in a jar.  

• Bending Water with Static Electricity

Hypothesis –   I predict that static electricity can bend a stream of water from a faucet.  

• Soda Can Fizz

Hypothesis –   I expect that dropping a mentos candy into a soda can will cause fizzing.  

• Tornado Tube

Hypothesis –   I believe that connecting two plastic bottles with a tornado tube will create a vortex.  

• Magnetic Attraction and Distance

Hypothesis –   I predict that magnets will attract objects from varying distances.  

• Heat Absorption by Colors

Hypothesis –   I think that objects of different colors will absorb heat differently under sunlight.  

• Lemon Battery Power

Hypothesis –   I expect that a lemon battery can power a small LED light.  

• Strawberry DNA Extraction

Hypothesis –   I believe I can extract DNA from strawberries using common household items.  

• Marshmallow Density

Hypothesis –   I predict that marshmallows of different shapes and sizes have different densities.  

• Balloon-Powered Windmill

Hypothesis –   I think a windmill with balloons will turn when exposed to air.  

• Spinning Colors

Hypothesis –   I expect that spinning a color wheel will create the illusion of blending colors.  

• Sound and Vibration

Hypothesis –   I predict that different objects will create different sounds when struck and vibrate differently.  

• Rock Erosion

Hypothesis –   I believe that different rocks will erode at varying rates when exposed to water.  

• Air Pressure and Crushed Can

Hypothesis –   I expect that changing air pressure will crush an empty can.  

• Straw Flute

Hypothesis –   I think that cutting and blowing through a straw can produce musical notes.  

• Bottle Rocket

Hypothesis –   I predict that a bottle rocket filled with water and pressurized air will launch into the air.  

• Fruit Electricity

Hypothesis –   I believe that different fruits can produce electricity using simple circuits.  

• Melting Snow and Ice

Hypothesis –   I expect that different substances can help melt snow and ice at varying rates.  

• Plant Growth in Different Soils

Hypothesis –   I think that different soils will affect the growth of plants differently.  

• Static Electricity and Salt and Pepper

Hypothesis –   I predict that salt and pepper can be moved with static electricity.  

• Floating Paperclip

Hypothesis –   I expect that surface tension can make a paperclip float on water.  

• Crayon Melt Art

Hypothesis –   I believe that crayons will melt and create art when heated.  

• Balloon-Powered Hovercraft

Hypothesis –   I predict that a hovercraft powered by balloons will glide over a smooth surface.  

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Importance Of 5th Grade Science Project Ideas With Hypothesis For Students 

In this section, we will discuss the importance of 5th grade science project ideas with hypothesis for students: 

1. Hands-On Learning

5th-grade science projects with hypotheses offer students a chance to learn through doing. They get to experiment, make predictions, and see the real-world results. This hands-on approach helps students grasp scientific concepts better.

2. Critical Thinking

These projects encourage critical thinking. Students have to come up with educated guesses (hypotheses) and then analyze their experiments’ outcomes. It teaches them to think logically and solve problems.

3. Curiosity and Exploration

Science projects fuel curiosity. They allow students to explore topics they find interesting, making learning more engaging. This curiosity can spark a lifelong interest in science.

4. Application of Knowledge

The things that students have learned in school can be used in real life. It helps them understand that science is not just in books, but all around them. This makes their education more useful.

5. Confidence Building

Successfully completing a science project with a hypothesis can boost a student’s confidence. They see that they can tackle challenging tasks and find solutions. This confidence can extend to other areas of their education and life.

Understanding what makes a good hypothesis is the first step in any 5th-grade science project with a hypothesis. It’s all about making educated guesses and having clear  if-then  statements. Remember to choose a project that matches your interest, is safe, and fits your grade level. With over 120 exciting 5th-grade science project ideas with hypothesis, you have a world of possibilities to explore. 

Moreover, these projects offer hands-on learning, boost critical thinking, and ignite curiosity. They let you apply what you’ve learned in school to real life. Completing these projects can build your confidence, showing that you can tackle challenges and make discoveries. So, dive into the world of 5th-grade science project ideas with hypothesis and start your exciting scientific journey!

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Science Experiments for 5th Graders

5th Grade is a fantastic age to do science. The kids are old enough to start doing some projects independently and they have an insatiable curiosity and passion for learning. Especially when it is hands on experiments with great wow factor! These science experiments for 5th graders will inspire curiosity, sparke a passion for learning, and excite young scientists. If you are working on lesson plans for your grade 5 students (or 5th year), here are some of our top picks!

The Best Science Experiments for 5th Graders

What you will discover in this article!

Although the topics covered in 5th grade vary based on where you are in the world, there are some consistent themes that are commonly covered at this age. We’ve looked into syllabuses from all over and came up with this list of topics that appear most often. These themes include lesson plans around:

• Earth and Space
• Lifecycles (plants and animals)
• The human body
• Electricity
• Chemistry (such as crystallization)
• States of Matter

Scientific Method

Phew! That’s a lot! But trust me, it can also be fun! Plus this is based on reviewing school curriculums all around the world. You don’t need to tackle all of these subjects. Or maybe you do if you have a passionate young scientist!

Based on this list of topics I have gathered up some of our favourite science experiments (and STEM projects) that are perfect for adding to your 5th grade science lessons.

5th Grade Science Project Ideas

Oobleck states of matter exploration.

Oobleck is always a hit with kids! We have done a lot of different Oobleck experiments over the years. One of our favourites was a science fair style investigation which also worked on the sense of touch (learning about the body), as we explored different recipes and evaluated how the texture varied with each recipe. But that is just one of many awesome Oobleck ideas we have done. Check them out!

Growing Crystals (Chemistry)

Growing crystals is a great way to introduce students to lab work and chemistry. Usually before this age they have already played around with the basic baking soda and vinegar type reactions , but if they haven’t definitely add those into the mix too. For crystals growing there are lots of different ways to grow crystals. Some use borax which is not available in some countries, but we also have crystal growing options using other solutions such as alum, salt or sugar! With sugar crystals (candy science), you can also explore taste, which ties into the human body studies too.

Building a Heart Model

Learning about the human body is fascinating and important. We want kids to understand their bodies, how they work, and how to properly care for their bodies. One of our favourite body learning activities was building a heart model that we made beat and move “blood” around. It was a great project for 5th years!

Windmill (STEM Project)

I love when I can combine a great science project with a fantastic book. If you decide to try a windmill engineering challenge (a brilliant STEM Project for 5th grade) there is a fantastic book called The Book Who Harnessed the Wind. This unit study is fantastic because it brings together literacy/reading, history (it’s a true story) plus engineering and physics lessons. The book is a great read with multiple levels of difficulty available.

Elephant Toothpaste

Elephant Toothpaste is a great science experiment for grade 5 that explores chemistry, biology, and states of matter. Plus it is a lot of fun for students!

Space Projects

Space is a fantastic topic to tackle with 5th graders! They love learning about the stars, planets and and our place in the universe. We have been obsessed with our space studies for many years and have compiled a great resource with tons of space related science experiments , all perfect for 5th grade! My personal favourite is the pipe cleaner constellations and the space inspired bath bombs!

Coding Challenges

Coding is the second language of today and the future and something all kids should explore and learn. It can be intimidating to teach coding if it is not something you are familiar with, but thankfully there are a lot of programs and options out there to help kids learn coding. We have a number of screen free options, plus there are programs, toys and more all designed to make learning coding fun and easy!

Circuit Building

Light it up! Kids in grade 5 are the perfect age to build circuits and learn how electricity works. From salt circuits, to circuits built with food, to circuit bugs, there are so many cool options for you to explore.

Wingardium Leviosar

Magnets are fascinating for kids and a great tool for doing some simple science experiments. One of our favourite science experiments we did in grade 5 tied into the Harry Potter books, Wingardium Leviosar Magnetism Experiment . Making this another fun cross subject activity!

Water Science

Water is an incredible tool for doing science experiments with liquids in 5th grade. You can use it to study states of matter, physics, chemistry, and more. It is readily accessible, safe for kids and the experiments are a ton of fun! We have done lots of experimenting with water science over the years. Check out our comprehensive resource on Water Science Projects for the perfect experiment for your studies.

Make It Move

Make it Move is a fantastic classroom challenge, where kids need to innovate and come up with ways to make their car race across a track or table without pushing it! Give them a variety of supplies and a matchbox car, then watch those imaginations go wild.

Balloon Races

A wonderful activity for introducing physics concepts to kids in 5th year is balloon races . It gets them up and moving and having a blast exploring these fundamental concepts around Newton’s Laws of Motion. Budget friendly, fun and perfect for home or the classroom, this is one activity you must do!

Layers of the Earth Soap

Learning about the layers of the Earth with this soap making project is a great way to explore our gorgeous planet. Plus, every time the kids wash their hands they will remember the lessons on the planet layers, helping to reinforce those concepts.

Climate Change and the Greenhouse Effect

Students will gain a greater understanding of the water cycle, climate change and the way greenhouse gases capture and hold heat in this experiment in a jar . Fantastic as an experiment, science fair project, or a classroom demonstration.

Lifecycle Activities

Learning about lifecycles is a very popular topic for our 5th grade students. We have a fun Lifecycle Decoding Activity that is perfect for some screen free learning. Plus it combines coding skills with learning about lifecycles.

Rain Clouds

Looking for a gorgeous, simple, and fairly quick experiment? Try this Rainbow Rain Clouds experiment and learn how clouds work when it rains. It’s easy, fast and kids can do this experiment independently.

One of the key concepts kids should be learning not just in grade 5 but throughout their schooling is the Scientific Method . Using the method should become natural and easy with practice and encourages critical thinking and analysis which is important for all students to master.

The Science Fair

Grade 5 is a very popular grade for science fair projects! We LOVE doing science fair projects and have so many ideas. Check out our comprehensive resource to find the perfect science fair project idea. We also provide tips on how to prepare, what to expect, and topic ideas.

Grade 5 is a wonderful year for science experiments and hands on learning. Enjoy these top picks for Science Experiments for 5th Graders.

More Science Ideas

Science Fair Projects for 5th Grade: Teacher's Guide

Finding meaningful science fair projects for 5th graders can be a real challenge for teachers.

This comprehensive guide for teachers promises to make planning and executing winning science fair projects for 5th grade easy and enjoyable.

You'll discover the top 10 project ideas, step-by-step instructions for developing testable experiments, gathering materials, recording observations, analyzing data, creating visual displays, tips for captivating presentations, and evaluating outcomes to celebrate student success.

Introduction to Science Fair Projects for 5th Grade

Science fair projects provide an engaging way for 5th grade students to explore science topics that interest them. As a teacher, guiding students through the process of developing a science fair project teaches important research, critical thinking, and communication skills. This guide offers tips and resources to help 5th grade teachers mentor students in creating meaningful science fair projects.

Exploring the Benefits of Science Fair Projects

Science fair projects have many benefits for 5th grade students:

• Spark interest and engagement in STEM topics
• Build research, experiment design, and data analysis skills
• Boost confidence through independent investigation of a topic
• Allow creativity and choice in project development
• Develop scientific thinking and communication abilities

By participating in science fairs, students gain exposure to the scientific method and learn how to conduct experiments.

Selecting Winning Science Fair Topics

Choosing an appropriate topic is key to developing a successful science fair project. Consider these strategies for helping 5th graders select a topic:

• Brainstorm areas of interest from the 5th grade science topics list
• Determine if a topic can be tested through an experiment at home
• Ensure required materials are easily accessible
• Match topics to students' abilities and skill levels

Some winning 5th grade science fair projects have focused on testing the effects of different variables on plant growth, modeling weather phenomena, investigating properties of matter, and more.

Crafting a Compelling Research Question

A strong research question guides the entire science experiment. Here are tips for developing a focused research question:

• Frame the question around testing a specific variable
• Make the question clear, narrow, and answerable through an experiment
• Use the scientific method to inform the phrasing of the question

For example, "How does the amount of sunlight affect the growth rate of bean plants?" is an effective research question.

What are the top 10 science fair project?

Here are 10 great science fair project ideas for 5th grade students:

1. Investigating the Effect of Different Soil Types on Plant Growth

This project tests how plants grow in different soil types like clay, sand, potting mix, etc. Students can measure plant height over time to compare growth rates.

2. Measuring the Effect of Music on Memory

Students can test how different music genres affect memorization of words or numbers. A control group with no music can be used for comparison.

3. Creating a Solar Water Heater

Using basic materials, students can build a solar powered water heater to test temperature changes over time. This explores renewable energy.

4. Investigating the Effect of pH on Enzyme Activity

By changing pH, students can measure how enzyme activity is affected. This shows how acidity impacts chemical reactions in living things.

5. Measuring the Effect of Temperature on Electrical Resistance

Using wire and a multimeter, the resistance of conductors can be tested at different temperatures. This demonstrates scientific principles.

6. Building a Simple Wind Turbine

Students can construct small wind turbines to power LED lights. This explores mechanical energy conversion.

7. Testing Strength of Different Bridge Designs

Using materials like popsicle sticks or toothpicks, students can build different bridge models and test their strength by adding weights until structural failure. This is an engineering design challenge.

8. Investigating Which Materials Best Insulate Heat

By timing how long ice cubes last when wrapped in various materials, insulation properties can be compared. Everyday items like cotton, foil, and Styrofoam can be tested.

9. Observing Osmosis in Cells

Using eggs, students can observe the process of osmosis and diffusion across semi-permeable membranes. This demonstrates biology concepts.

10. Testing Paper Airplane Designs

Students can build different paper airplane models and measure flight distance and duration. Aerodynamics principles are explored through iterative testing.

What is the best science project for Class 5?

Here are some of the best science fair project ideas for 5th grade students:

Bouncing on a Trampoline

This project looks at how the height of a trampoline bounce changes depending on the weight of the person jumping. Students could test different weights and record bounce heights.

The "Magic" Leakproof Bag

Students can create a bag out of a plastic zipper storage bag that seems to defy gravity and doesn't leak water even when turned upside down. This demonstrates air pressure and density.

Clothespin and Popsicle Stick Airplanes

Students can build simple airplanes out of clothespins and popsicle sticks and test how far they fly when launched by hand. They can experiment with different wing shapes and angles.

Tornado in a Bottle

Using a plastic bottle, water, glitter or small pieces of paper, and dish soap, students can create a mini tornado and observe how tornadoes form.

Float or Sink Pop Cans

By crushing pop cans and placing them in water, students can observe differences in density and record whether crushed cans float or sink compared to normal cans.

These are just a few fun and easy science project ideas that demonstrate science concepts like gravity, density, pressure, and forces. Students get hands-on experience coming up with a hypothesis, testing variables, collecting data, and drawing conclusions. And they'll learn some really cool science facts along the way!

What are the topics for grade 5 science?

Here are some of the most common science topics studied in 5th grade:

Earth and Space Science

• Structure and layers of the Earth
• Landforms and changes in the Earth's surface caused by weathering and erosion
• The water cycle
• Weather patterns and severe storms
• The solar system, planets, stars, galaxies

Life Science

• Plant structures and functions
• Plant life cycles and reproduction
• Ecosystems and food chains
• Human body systems and functions
• Animal classification, structures, and adaptations

Physical Science

• Properties and states of matter
• Atoms and molecules
• Energy, heat, light, and sound
• Forces and motion
• Electricity and magnetism

5th graders typically learn about these topics through hands-on activities, experiments, projects, and demonstrations that connect the concepts to real-world examples relevant to where they live. For instance, they may study local weather patterns, plant life cycles in their area, organisms in a nearby ecosystem, or conduct experiments with household materials related to physical science concepts. Tying the learning to their surroundings helps cement understanding.

What are testable questions for science fair projects 5th grade?

Science fair projects allow 5th grade students to explore scientific concepts through hands-on experiments. When coming up with a testable question, it's important to choose a topic that interests your student and can be tested using the scientific method.

Here are some examples of testable questions for 5th grade science fair projects:

How does temperature affect crystal growth?

• Students can grow crystals using different solutions and observe how temperature impacts crystal size and shape. This allows them to learn about states of matter.

How do different liquids affect how quickly an ice cube melts?

• Students can measure how long it takes ice cubes to melt when placed in different liquids like water, oil, soda etc. This teaches them about heat transfer.

How does the angle of a ramp affect the distance a toy car travels?

• Students can build ramps at different angles and test how far toy cars roll down them. This demonstrates concepts of potential and kinetic energy.

How does the amount of light affect plant growth?

• Students can grow plants under different lighting conditions to observe the effects on plant height, leaf number etc. This illustrates photosynthesis and plant biology.

The key is choosing questions that allow students to measure data and draw conclusions. This teaches the scientific method and critical thinking skills. Review science fair project ideas for 5th grade when helping your student select a topic.

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Preparing and executing the experiment.

Executing a successful science experiment requires careful preparation and precise execution. As a teacher guiding 5th graders through science fair projects, focus on facilitating engaging hands-on learning experiences.

Gathering Data and Materials for Science Experiments

• Recommend students use household materials that are safe and easy to acquire. Simple materials like paper, cardboard, basic craft supplies, food items, and recycled containers work well.
• Have students research reliable sources to gather background information and data to inform their hypothesis and procedures. Useful sources include science textbooks, library books, museum websites, and other vetted educational sites.
• Compile a classroom kit of basic supplies like tape, scissors, rulers, notebooks, and pencils to have on hand. Consider creating a sharing system for students to borrow specialty items as needed.

Implementing Procedures Safely and Accurately

• Supervise all experiments to ensure safety protocols are followed properly. Review safety rules and demonstrate proper handling of any potentially hazardous materials.
• Guide students to follow procedures precisely as outlined to control variables and yield reliable results. Encourage recording detailed notes on each step.
• Allow flexibility for iterations and improvements if initial trials reveal flawed procedures. Discuss troubleshooting techniques.

Recording Observations with Precision

• Instruct students to record qualitative observations through detailed notes, drawings, photos, or videos. Emphasize thorough, objective descriptions.
• Have students take precise quantitative measurements with metric rulers, scales, timers, thermometers, etc. Stress the importance of accurate data.
• Consider using student-friendly apps, like Google Science Journal, to assist with gathering observational data.

Organizing and Analyzing Data Like a Scientist

• Help students organize recorded observations into user-friendly tables, charts, and graphs. Online tools like Google Sheets simplify data analysis.
• Explain basic statistical concepts like mean, percentages, rates of change, correlation vs causation, and margin of error. Guide analysis appropriate for 5th grade level.
• Compare results to background information gathered. Did the data support or contradict the original hypothesis? Why?

Drawing Conclusions from Experimental Results

• Facilitate constructive discussion around interpreting results and assessing hypotheses. What conclusions can reasonably be made given the data? How might the experiment be refined and expanded in future trials?
• Stress that "failed" experiments still provide learning opportunities if students can thoughtfully analyze their procedures, observations, and conclusions to determine improvements for next time. The scientific process involves ongoing questioning, testing, and refinement of ideas.

With thoughtful mentorship, 5th grade science projects grant meaningful opportunities to engage students in core aspects of the scientific process. Patience and creativity are key to guiding young scientists as they build critical thinking skills through hands-on discovery and analysis.

Creating a Standout Science Fair Presentation

Teachers can provide guidance to help students create an impactful science fair presentation that clearly communicates their project and findings.

Developing a Clear and Engaging Presentation

• Have students outline key sections to include in their presentation:
• Introduction
• Materials & Methods
• Suggest students make supplements like posters, models, or prototypes to showcase the project.

Incorporating Visuals and Science Fair Boards

• Encourage the use of charts, graphs, photos to present experiment data and results.
• Colorful visuals grab attention and illustrate findings.

Assembling the Science Fair Board with Creativity

• Use borders, title headers, and section dividers to organize display boards.
• Incorporate photos, diagrams, and other graphics to showcase the project.
• Utilize color strategically to highlight important elements.

Practicing the Oral Presentation for Impact

• Have students rehearse presenting to build confidence.
• Focus on clearly explaining the science concept.
• Prepare for likely questions to demonstrate knowledge.

Showcasing the Project at the Science Fair

• Strategically place projects to maximize foot traffic and visibility.
• Have students engage fairgoers to explain their project and findings.
• Collect feedback for students to help further develop projects.

With thorough preparation and creative presentation, students can effectively showcase their science fair projects and communicate experiment outcomes. Teachers play a key role in guiding the development of impactful science fair displays.

Evaluating and Reflecting on Science Fair Outcomes

Teachers can utilize several methods to evaluate student learning and development of science process skills through science fair projects.

Reflecting on Student Growth and Science Skills

• Have students complete self-reflection forms about their research process, including questions like:
• What science concepts did you learn through this project?
• What research skills did you develop or improve?
• What challenges did you face and how did you overcome them?
• Assign journal prompts for students to write about their science fair experience, such as:
• Describe the most interesting thing you learned while doing your science project.
• What science process skills (observing, inferring, predicting, etc.) did you use?
• Create rubrics to assess science process skills like developing a hypothesis, designing procedures, collecting and analyzing data, drawing conclusions, and communicating findings.

Gathering Feedback from Judges and Peers

• Survey science fair judges on project qualities like creativity, effort, scientific thought, and skill development.
• Have students share constructive critiques on peers' projects.
• Encourage audience members to leave feedback or ask engaging questions.
• Review judges' rubrics and comments for areas of growth.

Evaluating Learning Objectives Through Projects

• Align science fair projects to curriculum standards for scientific investigation.
• Create project guidelines and rubrics that assess specific learning objectives.
• Evaluate projects on the degree students demonstrate target skills like:
• Asking scientific questions
• Developing models
• Planning investigations
• Analyzing data
• Using mathematical thinking
• Constructing explanations
• Engaging in arguments from evidence

Adjusting Teaching Approaches Post-Science Fair

• Identify common gaps in understanding or skill that projects revealed.
• Differentiate instruction going forward, providing extra support in challenging areas.
• Update science units and activities to better scaffold key science and engineering practices.
• Reflect on how science fairs can be improved to maximize learning.

Innovative Science Fair Project Ideas for 5th Grade

Science fair projects allow 5th grade students to explore scientific concepts through hands-on experiments and investigations. Choosing an innovative idea can help spark curiosity and engagement. Here are some creative science fair project suggestions suitable for 5th graders.

Science Fair Projects for 5th Grade at Home

• Test how different liquids affect the buoyancy of an egg. This allows students to learn about density at home using common household materials.
• Explore how sugar affects the rising process of yeast dough. Students can observe biological processes using ingredients found in most kitchens.
• Investigate how acidity impacts plant growth by watering plants with liquids of different pH levels. Everyday materials like lemon juice, vinegar, and baking soda can be used.

Last Minute 5th Grade Science Projects

• Evaluate how different surfaces like carpet, tile, and wood impact the speed of a toy car. This fast experiment teaches concepts of friction and gravity.
• Test how the shape of pasta impacts the time it takes to cook. Students can explore why certain shapes cook faster, learning about geometry.
• Investigate how salt impacts the freezing point of water by freezing salty and plain water samples. This demonstrates states of matter.

5th Grade Science Fair Projects with Food

• Explore how freezing, heating, or mixing different liquids affects a hard-boiled egg inside the shell. Students can apply scientific concepts through edible experiments.
• Test how antioxidants in fruits impact oxidation by leaving apple slices exposed to air. Students can measure browning rates, learning about botany.
• Investigate how acids in vinaigrette salad dressing impact vegetable color. Students can explore concepts of chemistry using familiar foods.

5th Grade Science Fair Projects with Plants

• Analyze how natural and artificial light impacts plant growth by exposing plants to various light sources. This teaches foundations of botany and ecology.
• Explore how microwaving seeds impacts the sprouting ability compared to untreated seeds. Students can learn about plant reproduction through this experiment.
• Test how salt, sugar, vinegar, baking soda, etc. affect the wilting rate of flowers. Students can identify what damages or preserves plants.

Science Fair Projects for 5th Grade Biology

• Investigate how antibiotics impact bacterial growth by exposing cultures to antibiotics. This demonstrates germ theory and microbiology.
• Analyze how different liquids impact an earthworm's ability to move by exposing earthworms to assorted liquids. Students learn about invertebrate biology.
• Explore what insects are attracted to different food baits by leaving various foods outdoors. Students can categorize insects and analyze data.

Conclusion: Celebrating Science Fair Success

Science fairs provide an exciting opportunity for 5th grade students to explore science topics that interest them through hands-on projects. This guide has covered key tips for successfully mentoring students through the process, from choosing a topic to presenting the finished project.

Key Takeaways for 5th Grade Science Fair Projects

• Select an experiment-based project that aligns with your student's interests and grade level standards. Focus on testable questions.
• Set a realistic timeline for research, experimentation, analysis, and putting together the presentation.
• Provide guidance on research skills, scientific method, data collection, and safe procedures.
• Have students reflect on what they learned and how they can build on their project in the future.

Building on Projects for Future Success

Students can continue developing their science fair project by:

• Repeating experiments with different variables or sample sizes
• Competing at school, district, or state-level fairs
• Expanding into a long-term research project across multiple years
• Exploring extensions into engineering, computer science, or mathematics

The science fair experience allows students to build critical thinking, communication, and research skills that will serve them well in future science endeavors.

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All Science Fair Projects

1000 science fair projects with complete instructions.

80 Science Fair Projects for 5th Graders

Explore our specially selected science projects for fifth graders, with complete instructions and informative videos!

5th Grade Science Fair Project FAQ

What are some easy 5th grade science fair projects.

Any one of these easy 5th grade science fair projects will teach you important scientific concepts and help you have fun while learning. An easy science fair project is a great way to introduce the wonders of science to 5th graders!

Storing Bread Safely

Windy Wonders: Plant Growth

Dancing Spaghetti

Colorful Temperature

Collecting Micrometeorites

Can Fish Tell Time?

Levitating Train

The Painted Lady Butterfly

Staining Teeth with Beverages

Breakfast and School Performance

Science fair project details right above the FAQ!

What is the best 5th grade science project ever?

We absolutely love the Uncovering Fall Colors science fair project for 5th graders. This project uses chromatography to separate the colors in leaves and helps students discover the hidden colors inside them. It's a great way to learn how to use a common experiment used in chemistry to separate substances. If it's not fall or you can't find different colored leaves, you can always use flower petals of different colors instead.

If you're looking for more 5th grade science projects, check out the 5th grade science fair projects at the top of this page! 

Check out more Best Science Fair Projects →

What are some cool 5th grade science fair projects?

Get ready to be amazed by these super cool 5th grade science projects for 5th graders! With just a few simple things, introduce students to the wonders of science and have tons of fun!

Growing Mold

Is Yeast Alive?

Can You Taste With a Plugged Nose?

Electrifying Lemon Battery

Making Oobleck: Liquid or Solid?

Egg Drop Project

Colors of Skittles Experiment

Cloud in a Bottle

What are 5 testable questions for 5th grade?

A testable question is a question that we can answer through a science experiment. To do this, we do a control science experiment, then we change one thing in the experiment to see how it affects what happens. This is how we can discover the answer to our question!

What makes a cloud form?

Can drink and food taste different just by changing its color?

Does the color of light affect photosynthesis?

Does temperature affect seed sprouting?

What makes popcorn pop?

Here are more testable questions along with their science projects →

What are the top 10 science projects for 5th grade?

These are our top 10 5th grade science projects, with projects from Biology, Chemistry and Physics. These projects can be used as science fair project ideas or as a fun experiment to explore different areas of science!

Uncovering Fall Colors

How Temperature Affects Taste

The Doppler Effect

Science project details right above the FAQ!

Can I do a 5th grade science fair project in a day?

Yes! Quick experiments can be a great option for a science fair project! If you want to explore quick reactions, we have science project ideas on various topics to get you started.

Acid-base reactions: Mixing acids with bases quickly makes carbon dioxide gas!

Make a rocket fly sky high with just baking soda and vinegar! Rocket Film Canisters

Learn how to make your own acid/base indicator using red cabbage and use it to test different fluids! Make Your Own PH Indicator

Chromatography reactions: Separate out colors!

Did you know that some Skittles have a secret rainbow hiding inside them? Colors of Skittles Experiment

Have you ever wondered why leaves change color in the fall? Let's find out by using chromatography to separate the colors of a green leaf! Uncovering Fall Colors

Heat reactions: Heat speeds things up!

Do you want to find out which color candle burns the fastest? Which Candle Burns the Fastest?

Ever wondered if a balloon filled with water can withstand fire? Fire-Resistant Balloons

What are some hands-on ways to find inspiration for my science fair project?

There may be free admission days or free passes to a science museum near you! Check your local library for free museum passes, nearby science museums for free entrance days and your credit card for offers.

Find a science museum near you and prepare to be awed by all that you can learn there! I always learn something new and am inspired whenever I go to a science museum!

How do I start a science fair project?

What should I do after I have a science fair project idea?

How do I make a science fair board?

What is the scientific method?

What is the engineering design process?

Where can I find a science fair competition?

The www Virtual Library: Science Fairs website also has a collection of science fairs from all over the world, as well as national, state, regional, local, and virtual competitions!

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The Ultimate List of Interesting Research Topics for Kids

• January 31, 2022
• Classroom Activities , Homeschool Resources , Online Learning

Inside: A list of interesting research topics for kids in elementary school or homeschool!

Teaching research skills is so important in elementary school. We can help our students navigate the “how-tos” of research. Learning how to navigate text features in nonfiction books, finding credible sources online, and taking notes are all skills we’ve mastered and can pass on to our knowledge-thirsty students.

One of the tricky things is taking the time to come up with interesting research topics for kids and coordinating research units for each topic. Our students still need some scaffolding and guidance, and there are so many things they study in school. How can we possibly decide what topics they should research and have time to put together comprehensive units?

I’ve got you covered with a list of engaging research topics for kids!

A ready-to-go research unit, that follows my 5-step research process ,  is also available for many of these topics for your convenience! These unit studies will allow you to expand on content taught in class or start fresh with science and social studies research units complete with everything from unit outlines, parent letters, and internet research lessons to help students find credible sources, projects, reports, journaling pages, and more.

Students will also build their research skills during the process, so these units are a great way to make time for science and social studies with an integrated curriculum since you will still teach the necessary language arts curriculum at the same time.

Learn how to skyrocket your students’ research skills by listening to this episode of Wife Teacher Mommy: The Podcast.

What are some good research topics for kids?

From the solar system to dinosaurs, scientists & inventors, and holidays around the world, below are good research topics for kids, possible research questions for kids to answer, and other interesting research topics for kids related to the topic.

Table of Contents

The solar system.

It’s hard to meet a child that doesn’t have some interest in outer space. That’s why this is #1 on our list of research topics that kids will love. This Solar System Research Unit has students research a planet of choice (yours or theirs), create a model, and write a report. Research should be more than just taking notes and writing a report, and this unit really brings art into STEM!

Questions for your students to research the solar system:

• What are the names of the planets in our solar system?
• How big is our solar system?
• What does the solar system look like?
• Why does everything in our solar system revolve around the sun?

Other interesting research topics for kids related to the solar system:

• Research one planet in our solar system
• The history of NASA
• Research an astronaut
• Is the moon made of cheese?
• Space shuttles
• The Space Race

Next to outer space, dinosaurs also top the curiosity list for elementary scientists. With our Dinosaur Research Unit, you can assign your student or let them choose a specific dinosaur to research. Besides the usual report, students will have a blast creating salt dough fossils of their dino. Dinosaurs are a very fun and engaging research topic that kids will love!

Question for your students to research about dinosaurs:

• When do paleontologists think dinosaurs lived?
• What do we learn about dinosaurs from fossils?
• How do paleontologists learn about dinosaurs?
• Where did dinosaurs live?
• When were the first dinosaurs discovered?

Other interesting research topics for kids related to dinosaurs:

• Extinct animals such as saber-toothed tigers, wooly mammoths, or dodo bird
• The Ice Age
• How to help endangered animals
• How do animals go extinct
• Are birds dinosaurs?

Landforms are cool! They are one of the best physical science or geography topics for kids to research. I like to learn all about different landforms together and then assign your students one specific landform to research.

Your students will research and write a report/presentation about their specific landform and create a salt dough model. Everything is ready to go for you in our Landforms Research Unit!

Question for your students to research landforms:

• What is a landform?
• What landforms can be found where I live?
• How are landforms formed?
• What plants can be found near my landform?
• What animals can be found near my landform?

Animals and Habitats

Animals and habitats are one of my favorite research topics for kids! The unit starts with students being assigned a habitat to explore and an animal that resides in that habitat to study. Accompanying the report/presentation about their animal is a creation of a terrarium of their habitat and animal. Check out this picture of a terrarium that one of my 3rd-grade students made when I used my Animals and Habitats Research Unit!

Question for your students to research animals and habitats:

• What does my habitat look like?
• Where in the world can I find my habitat?
• What animals live in my habitat?
• What does my animal like to eat?
• How does my animal fit in the food chain?

Kids love penguins, so why not use them as your next research topic? Your students may not know that there are various types of penguins. After learning about the types of penguins, they’ll have one of their own to study. On butcher paper, they’ll create a life-size penguin to share and integrate math and science measurement standards. This Penguin Research Unit shows us why penguins are such a fun research topic for kids!

Question for your students to research about penguins:

• What do penguins eat?
• Who are penguins’ predators?
• How do penguins communicate? 
• How do penguins move from one place to another?
• Where do penguins live?

Other interesting research topics for kids related to penguins:

• Antarctica & the South Pole
• Polar bears or other arctic & antarctic animals
• Glaciers & icebergs
• Galapagos Islands

What is a comprehensive research topic list without volcanoes? Kids love learning about these miraculous marvels. Of course, students will make their own volcano model after researching in our Volcano Research Unit.

Question for your students to research volcanoes:

• How are volcanoes formed?
• What are the 3 main types of volcanoes?
• How does a volcano work?
• Where are volcanoes usually found?
• What are the similarities and differences between the 3 main types of volcanoes?

Other interesting research topics for kids related to volcanoes:

• Ring of Fire
• Volcanic rock
• Famous volcanic eruptions- Mt. Vesuvius, Mt. Tambora, Mt. Krakatoa,  Mt. St. Helen’s

Extreme Weather and Natural Disasters

Tornadoes, blizzards, earthquakes, hurricanes, and more! Extreme weather and natural disasters are very fun and engaging research topics for kids in your classroom or homeschool. The students will create a poster and research paper about a specific weather phenomenon or natural disaster in our Extreme Weather and Natural Disasters Research Unit.

Question for your students to research extreme weather and natural disasters:

• What are some examples of natural disasters?
• What are some examples of extreme weather?
• What are the causes of extreme weather or natural disasters?
• Are there any warning signs?
• How can I prepare for extreme weather or natural disaster?

United States Presidents

The presidents of the United States make a great research topic. With 45 presidents to choose from, each student is bound to bring something unique to the research. With our United States President’s Research Unit, students will write a report and create a paper plate mask of their chosen president.

Question for your students to research about United States Presidents:

• What are the requirements to be a US president?
• How does someone become president of the United States?
• What responsibilities does the US president have?
• What privileges does the US resident have?
• Which branch of government does the US President run and how?

Other interesting research topics for kids related to US presidents:

• US Vice Presidents
• US First Ladies
• The Bill of Rights
• Famous presidential speeches

United States

The United States can be such a great research topic for kids in your classroom or homeschool group because each student can study a different state! Each student will research and write about one of the 50 states before creating a salt dough model to include landforms, bodies of water, and landmarks. This United States Research Unit is perfect for your state reports.

Question for your students to research about the United States of America:

• When and how was the United States founded?
• What is the US Constitution and why is it important?
• What is the Bill of Rights and why is it important?
• What are some famous landmarks in the United States of America?
• What are some rights and responsibilities of US citizens?

Black History

Black history is a great research topic for kids, especially during the month of February for Black History Month. Through studying black history and the civil rights movements, students will be assigned a black history leader to research and write about. Their final project will be a hand-drawn poster of their person complete with character traits. Be sure to check out our Black History Research Unit!

Question for your students to research Black History:

• What are some important events in Black History?
• How did these events shape civil rights?
• Who were some Black History leaders?
• It is important for me to learn about Black History because…

Other interesting research topics for kids related to Black History:

• The March On Washington
• Montgomery Bus Boycott
• Memphis Sanitation Worker’s Strike
• Establishing Martin Luther King Jr. Day
• Establishing Black History Month
• Buffalo Soldiers during the Civil War
• Tuskegee Airmen
• Jim Crow Laws
• The Little Rock Nine
• Woolworth’s Lunch Counter
• Freedom Riders
• 13th, 14th & 15th Amendments
• Civil Rights Act of 1964
• Voting Rights Act of 1965

Holidays Around the World

There are so many holidays celebrated around the globe. Even the way Christmas is celebrated in different countries is unique. The unit requires students to be assigned a holiday to research and write about, ultimately creating a holiday decoration to share. This unit even includes special info pages about each of the included holidays. The Holidays Around the World Research unit is a true gem, and it makes a really fun research topic for kids around the holidays.

Question for your students to research holidays around the world:

• Who celebrates this holiday?
• Where is this holiday celebrated?
• How did the holiday begin?
• What are some important traditions during this holiday?
• What are important symbols used during this holiday?

Women in History

Women in history is a very important research topic for kids. It is important for students to see the accomplishments that so many women have made, from the past and into the present. By having children research the accomplishments of women in history, our young girls will know that they, too, can do great things.

Students will either choose or be assigned an inspirational woman from history. Similar to the Black History unit, they’ll research and write, ultimately creating a hand-drawn poster. The Women In History Research Unit is perfect for Women’s History Month in March or any time of year.

Question for your students to research women’s history:

• What are some important events in women’s history?
• How have these events shaped the rights of women?
• Who are some well-known inspiring women?
• It is important for me to learn about women’s history because…

Scientists and Inventors

Looking at different innovators and their creations can be fascinating, so of course, it made the cut on our list of research topics for kids. Your students will have a specific person to explore before creating a model of their invention or discovery. You can find everything you need in the Scientists and Inventors Research Unit.

Question for your students to research scientists and inventors:

• Who are some famous scientists?
• What are some important accomplishments of these famous scientists?
• Who are some famous inventors?
• What are some important accomplishments of these famous inventors?
• What obstacles did these scientists and inventors face?

Other interesting research topics for kids related to scientists and inventors:

• Famous inventions & how they work
• Industrial revolution
• Radium girls
• Manhattan Project
• History of science fiction

Author Study

A perfect pair with language arts, students will study particular authors. They’ll write their own biography of the author and create a bibliography of the author’s own books. You can get this biography template inside the Author Study Research Unit!

Question for your students to research an author:

• Where and when was my author born?
• What was my author’s childhood like?
• What was my authors’ educational background?
• What obstacles did my author face and overcome?
• Some works written by my author are…

Ancient Civilizations

Greece, China, Egypt, and more! Ancient civilizations are the perfect research topic for kids, and you can find everything you need in the Ancient Civilizations Research Unit. There are so many ancient civilizations for your students to study and research. They’ll also make a model of an important structure in their civilization.

Question for your students to research Ancient Civilizations:

• Which ancient civilization are you going to research?
• Where was my ancient civilization located? What geographical features sustain the development of the civilization?
• When was my civilization started and how long did it last?
• What was daily life like in my civilization?
• How did the government function in my civilization?

Other interesting research topics for kids related to Ancient Civilizations:

• The Seven Wonders of the Ancient World – Great Pyramids of Giza, Hanging Gardens of Babylon, Statue of Zeus, Temple of Artemis, Mausoleum of Halicarnassus, Colossus of Rhodes, Pharos of Alexandria
• The Epic of Gilgamesh
• Code of Hammurabi
• Rosetta Stone
• Elgin Marbles

AAPI Heritage 

Learn more about Asian American-Pacific Islander History! Research AAPI Heritage during AAPI Heritage Month in May or any time of the year. Have your students research AAPI History and an AAPI leader such as Anna May Wong, Chien-Shiung Wu, Connie Chung, Daniel Inouye, Duke Kahanamoku, Sal Khan, and Yuri Kochiyama, plus more included in our AAPI Research Unit!

Questions for your students about AAPI History

• What are some important events in AAPI History?
• How have these events shaped the civil rights of Asian Americans and Pacific Islanders?
• Who were some important AAPI leaders?
• It is important for me to learn about AAPI History because…

Other interesting research topics related to AAPI History

• How do you celebrate AAPI Heritage Month?
• People v. Hall
• “Coolie Trade” ban
• United States v. Wong Kim Ark
• The Bellingham Riots
• Alien Land Act
• War Relocation Authority in World War II
• Delano Grap Strike
• Vincent Chin & The Hate Crimes Prevention Act
• US Olympic Swim Team Coach Soichi Sakamoto

Hispanic Heritage and Latino History

Encourage your students to learn more about Hispanic Heritage and Latino History! Ask them to research historical events or important Latinx leaders and their impacts. After researching, you can have your students create a poster about their Latinx leader. Find out more in our Hispanic Heritage and Latino History Research Unit. 

Questions for your students about Hispanic Heritage and Latino History

• What are some important events in Hispanic and Latino History?
• How have these events shaped the civil rights of Hispanic and Latino people?
• Who were some important Hispanic and Latino History leaders? 
• It is important for me to learn about Hispanic Heritage and Latino History because… 

Other interesting research topics related to Hispanic Heritage and Latino History

• Public Law 90-48 & National Hispanic Heritage Week Bill
• Why is the date of Hispanic Heritage Month important?
• The Mexican Revolution
• Cesar Chaves & the National Farm Workers Association (NFWA) 
• Spanish Imperialism and Missionaries
• Old Spanish Trail
• The Bracero Program
• Freedom Tower, the “Ellis Island of the South”
• Spanish American War
• Jones-Shafroth Act
• Zoot Suit Riots
• Mendez v. Westminster School District
• Hernandez v. State of Texas
• Mariel Boatlift
• Deferred Action for Childhood Arrivals (DACA)

What to do with these research topics for kids?

After each research unit, your students will have a fair to present their models, posters, or other creations. Sharing their research with parents, teachers, other students, and even the community is an important part of taking pride and ownership in their own research.

Don’t stress about creating research units from scratch. Our science and social studies research bundles have you covered! Get all of our science & social studies research units for just $29 only through the link in this blog post.

Try out a few topics with your class! In addition, you can also find all of these research units in my Teachers pay Teachers store!

Want a FREE sample of the research units to use with these research topics?

If so, you can grab a free sample of the units below. This freebie includes pages that will help your student understand how to use text features during their research such as:

• A book research activity to teach the difference between the table of contents and index using a Venn Diagram!
• How to use the internet to conduct research activity
• Finding credible sources of activity
• Student pages AND lesson plans included for each activity
• Teacher instructions pages so you know just how to use these in your classroom or homeschool setting!
• Black & white versions of each lesson are also included!

Be sure to share this list of interesting research topics for kids with your friends on Pinterest or Facebook!

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This is very important it has helped the kids to discover themselves things in the world. Children are becoming self-reliant.

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26 of the Best 5th Grade Science Projects and Experiments

• Uncategorized

Are you looking for science activities to do with your 5th graders? No sweat. We have you covered. Check out our list of 26 science projects and experiments that you can try with your 5th graders this month.

• Hand-Eye Coordination and Age | All-Science-Fair-Projects.com – Grades 2-5, Use a stopwatch and ping-pong ball to find out how hand-eye coordination changes as children get older.
• What Do Yeast Eat…and How Can You Tell? | Education.com – Grades 2-5, The objective of this project is to examine which foods yeast cells eat.
• How Do Antacids Work? | Biochemistry Discovery Lab – Grades 3-6, Simulate out how antacids work to treat heartburn by using fake stomach enzymes.
• Mice & Music | Hubpages.com – Grades 3-6, Find out if music affects the performance of mice in a maze.
• A Magnetic Primer Designer | Sciencebuddies.org – Grades 3-6 Biology project that utilizes magnets to mimic the process that scientists use to replicate DNA, using the polymerase chain reaction.
• Growing Bacteria in Petri Dishes | Stevespanglerscience.com – Grades 3-6 biology In this science fair project, you must find samples of bacteria from an assortment of surfaces to find the surfaces that are the dirtiest.
• Effects of Ozone on Plants and Health | Julian’s Science Fair – Grades 4-6, Environmental conditions can dramatically impact plant growth and germination. Does increased ozone stunt germination and plant growth? Grow some plants and find out.
• Making Batteries from Fruits and Vegetables | Sciencebuddies.org – Grades 4-7, Use veggie power to build a simple battery from a variety of vegetables. Which ones are the most powerful?
• How Water Beats Rock | Education.com – Grades 1-5, Discover how water is more potent than rocks.  Experiment with ways that water can break the stone.
• Soil Type and Liquefaction | All-Science-Fair-Projects.com – Grades 1-5, Experiment with sand, clay, and loam and find out which type of soil dissolves most easily.
• Effects of Temperature and Humidity on Static Charges | Education.com – Grades 1-5, Use balloons, a rubber ball, and a scarf to investigate why those socks stick together when you take them out of the dryer and how conditions in the air affect static electricity.
• Dig This: Biodegradation | Education.com – Grades 2-6, How do organic materials become soil? This science experiment measures which materials biodegrade.
• Geology 101 | Education.com – Grades 2-6, Water carries lots of soil and minerals in a creek. In this project, you’ll examine the behavior of water and gravel in creek beds and the formation of sedimentary rocks.
• Geothermal Power Plant Model | Energyquest.ca.gov – Grades 3-6, Use a pinwheel and a can of boiling water to simulate geothermal power production. Determine how to generate the most energy from your “power plant.”
• Egg Substitutes | Sciencebuddies.org – Grades 3-6, Many people avoid eggs because of allergies or diet preferences. But eggs play a vital chemical function in baking and cooking. Evaluate the ability of egg substitutes to mimic their binding, leavening, or thickening properties.
• How Much Water is Required to Cook Pasta? | Sciencebuddies.org – Grades 3-6, We’re used to cooking our pasta in a big pot of boiling water. Do you actually need that much water, time, and energy to cook pasta? Perform some experiments to find out.
• Building the Best Bridge | Education.com – Grades 3-6, This project helps students develop an understanding of architecture and engineering through experimentation of which shapes are the most structurally strong.
• Rubber Bands for Energy | Sciencebuddies.org – Grades 3-6, Put the energy of rubber bands to work and learn about the relationship between potential and kinetic energy.
• Properties of Pendulums | Illinois Institute of Technology – Grades 3-6, Pendulums have been used for timekeeping for hundreds of years. Find out how changes in mass and length affect the oscillation of a pendulum.
• Bust That Rust! | Education.com – Grades 3-10, Investigate the chemistry of rust and the oxidation process. Younger students will use steel wool, water, salt, and vinegar. Older students will explore the chemistry of rust.
• Wind Around the Home | Education.com – Grades 4-6, Learn about wind speed and duration and different locations around your home. Determine the best site(s) for a windmill.
• Arch Magic: The Unbreakable Egg | Education.com – Grades 4-7, Tell you, folks, tonight is a good night for an egg dinner. Use the eggshells to explore how arches distribute weight. Demonstrates the power of arches by asking students to pile telephone books on top of eggs without damaging them.
• How a Comet’s Size Affects How Fast It Melts | Sciencebuddies.org – Grades 4-7, Comets are often compared to giant, dirty snowballs, and the comet tail you see in the sky is evidence of melting. In this project, you’ll use figure out how the size of a comet affects its melting rate.
• Make an Electromagnet | Energyquest.ca.gov -Grades 4-7, Learn how to create an electromagnet from batteries, wire, and a knife switch. How does changing to kind of batteries used affect the power of your
• Bombs Away! A Ping Pong Catapult | Science Buddies.org – Grades 4-7, They fly through the air with the greatest of ease. Find ways to put a ping pong ball accurately on target time after time.
• The Mechanics of Carnival Games | Sciencebuddies.org – Grades 5-8, Find out why those carnival games are so hard. Learn the fundamental laws of science that help the concessionaires engineer the games in their favor.

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50 5th Grade Science Projects for the Classroom or Science Fair

There’s something so fascinating about hands-on science experiments and projects. They make learning so meaningful and so much fun! These 5th grade science projects help kids explore biology, physics, chemistry, and a whole lot more. Try one at the 5th grade science fair, or use a few to liven up your lesson plans.

To make things even easier, we’ve rated every one of these 5th grade science projects based on difficulty and materials:

Difficulty:

• Easy: Low or no-prep experiments you can do pretty much anytime
• Medium: These take a little more setup or a longer time to complete
• Advanced: Experiments like these take a fairly big commitment of time or effort
• Basic: Simple items you probably already have around the house
• Medium: Items that you might not already have but are easy to get your hands on
• Advanced: These require specialized or more expensive supplies to complete

5th Grade Science Fair Projects

Choosing a science fair project means finding a subject that really interests you and coming up with a unique question to answer. Use some of these 5th grade science fair project ideas to create a cool experiment all your own.

Stop soil erosion with plants

Difficulty: Medium / Materials: Medium

Soil erosion is a serious problem that can lead to natural disasters like landslides as well as causing problems for farmers, who lose valuable topsoil. Try this experiment to learn how plants help keep soil in place naturally, and change up the variables like soil composition or types of plants.

Learn more: Soil Erosion Experiment at Life Is a Garden

Blow square bubbles

Bubble science experiments are always a hit! In this one, kids construct a device to see if they can blow a square bubble instead of a round one.

Discover the delights of decomposition

Difficulty: Easy / Materials: Medium

This is a good chance to apply the scientific method and practice your observation skills, using only basic kitchen supplies. Ask the question: “Which food will rot (decompose) the fastest?” Have students hypothesize, observe, and then report their findings. Get a printable observation sheet at the link below.

Learn more: Food Decomposition at No Time for Flash Cards

Mix up some magic sand

What if you could make sand that was “afraid” of water? This 5th grade science experiment uses waterproofing spray to create you-gotta-see-it-to-believe-it hydrophobic sand.

Learn more: Hydrophobic Sand at Teaching Mama

Make your own bouncy balls

Students learn about polymers as they mix borax with cornstarch, glue, and water in this playful experiment. Experiment with size, shape, and ingredients to see which work best.

Learn more: DIY Bouncy Balls at Babble Dabble Do

Study water filtration

Difficulty: Easy / Materials: Basic

See the process of water purification firsthand. Layer coffee filters, sand, and gravel in the bottom of an empty cup punched with holes. Place the cup in an empty jar, pour in dirty water, and watch what happens. Mix up the variables, and you’ve got a cool 5th grade science fair project.

Learn more: Water Purification at Teach Beside Me

Find out if a dog’s mouth is cleaner than a human’s

Settle an age-old debate with this 5th grade science fair project. Collect saliva from both humans and canines with cotton swabs and place each sample in labeled petri dishes. Check the bacterial colonies in each and compare the results.

Learn more: Dog’s Mouth Project at Sciencing

Explore basic genetics

Send your students on a quest to find out more about their genes and inherited traits. The link below includes a printable chart they can use to learn about recessive and dominant genes.

Learn more: Inherited Traits at Education.com

Design a biosphere

This project really brings out kids’ creativity and helps them understand that everything in a biosphere is really part of one big whole. You’ll be overwhelmed by what they come up with!

Learn more: Biosphere Project at Laney Lee

Measure heat capacity of different liquids

Your students will venture into the world of chemistry with this experiment that tests the heat capacity of different liquids, such as salt water, olive oil, and liquid soap, using a hot plate . They’ll incorporate math into their experiment when they plot their results!

Learn more: Heat Capacity at Education.com

STEM Challenge 5th Grade Science Projects

A good STEM challenge can spark a terrific science fair project too. These also make terrific classroom activities for 5th grade science students.

Assemble an automatic water fountain

Water fountains were around long before humans harnessed the power of electricity to make pumps. Learn how they worked with this STEM challenge science project for 5th grade.

Race down a LEGO zip line

Every kid loves LEGO bricks, so incorporate them into your 5th grade science activities! Challenge kids to design and build their own zip line. You can set the parameters, like distance and slope, then let students get to work.

Learn more: Zipline at 123 Homeschool 4 Me

Slow your roll

Ball-run challenges are always fun, but this one has a twist. Your goal is to build a run that gets the ball to the bottom taking the longest time possible! This requires kids to think about friction, slopes, and other creative features.

Fly clothespin airplanes

Put your 5th grade science students’ engineering skills to the test. Provide them with clothespins and wood craft sticks , and challenge them to build a realistic airplane. Bonus points if it can actually fly!

Learn more: Clothespin Airplane at STEAMsational

Spin a candle-powered pinwheel

Prove that hot air rises by using candles to spin a homemade pinwheel. Then experiment to see how the number of candles affects the spinning speed. (As always, make sure kids use fire under safe conditions.)

Set off a chain reaction

Learn about potential and kinetic energy when you try this cool 5th grade science experiment. All you need are wood craft sticks and a bit of patience.

Bounce on a trampoline

Kids love bouncing on trampolines, but can they build one themselves? Find out with this totally fun STEM challenge. Plus, check out more 5th grade STEM challenges here.

Learn more: Trampoline STEM Challenge at Student Savvy

Build a solar oven

Learn about the value of solar energy by building an oven that cooks food without electricity. Enjoy your tasty treats while discussing ways we can harness the energy of the sun and why alternative energy sources are important. ( Love edible science projects? Get more ideas here. )

Learn more: DIY Solar Oven S’mores at Desert Chica

Launch your own bottle rocket

Blast off with a few supplies and a little help from the laws of motion. Encourage kids to design and decorate their rockets first and see which one can fly the highest!

Learn more: Bottle Rocket at Science Sparks

Peer through a cardboard microscope

Microscopes can be pricey, so make your own at home! This is the kind of 5th grade science fair project that will really wow the judges.

Build a snack machine

Incorporate everything students learn about simple machines into one project when you challenge them to build a snack machine! Using basic supplies, they’ll need to design and construct a machine that delivers snacks from one location to another. ( Get more candy experiments here. )

Learn more: Snack Machine Challenge at Left Brain Craft Brain

Use rubber bands to sound out acoustics

Explore the ways that sound waves are affected by what’s around them using a simple rubber band “guitar.” (Your students will absolutely love playing with these!)

Learn more: Rubber Band Guitar at Science Sparks

Assemble Archimedes’ screw

Difficulty: Medium / Materials: Basic

It’s amazing how often science looks like magic—until you understand the principles behind it. Such is the case with the simple pump known as Archimedes’ screw. It’s easy to build your own and makes for a cool 5th grade science fair project.

Recycle newspaper into an engineering challenge

It’s amazing how a stack of newspapers can spark such creative engineering. Challenge students to build a tower, support a book, or even build a chair using only newspaper and tape.

Learn more: Newspaper Tower at STEM Activities for Kids

Construct a sturdy bridge

To design a safe bridge that meets the needs of the community, engineers must understand the capabilities and limitations of the bridge. This project is great for budding 5th grade engineers as they simulate constructing a bridge that serves its purpose and keeps community members safe.

5th Grade Matter and Energy Science Activities

Every 5th grade science curriculum is different, but many include some common concepts. Learn about the states of matter, matter and its interactions, and energy science with these neat 5th grade activities.

Model the states of matter

Create simple models to show the arrangement of molecules in solids, liquids, and gasses. Ping-Pong balls are perfect for this. ( Find more states of matter activities here. )

Drink root beer floats

This is our favorite way to learn about the various states of matter! Treat time becomes a learning lesson with this 5th grade science matter activity.

Learn more: Teaching Matter With Root Beer Floats at Learning Lab Resources

Fill a bubble with dry ice vapor

Discover the science of sublimation by turning dry ice from a solid directly into a gas. Then play around with surface tension as the resulting vapor fills a giant bubble. This one is so cool to see in action!

Discover density with hot and cold water

There are a lot of cool science experiments you can do with density. This one is extremely simple, involving only hot and cold water and food coloring.

Learn more: Hot and Cold Water Density at STEAMsational

Learn to layer liquids

This density demo is a little more complicated than other science projects, but the effects are spectacular. Slowly layer liquids like honey, dish soap, water, and rubbing alcohol in a glass. Your 5th grade science students will be amazed when the liquids float one on top of the other like magic (except it is really science).

Learn more: Liquid Density at Wonder How To

Light(ning) it up indoors

On a cool, low-humidity day, use a foil-covered fork and a balloon to create a “lightning storm” in your classroom. Turn down the lights to give students a better view of the static electricity you’re creating.

Learn more: Indoor Lightning at Education.com

Create convection currents

This easy experiment uses hot and cold liquids and some food coloring to explore the thermal and kinetic energy that creates convection currents. Take things a step further and research how convection currents work in large bodies of water, like oceans.

Learn more: Heat Convection at Education.com

Sink or swim with soda cans

Here’s another easy density experiment. Place unopened cans of regular and diet soda into a bin of water to see which float and which sink. The differences are due to the use of sugar and artificial sweeteners.

Learn more: Sink or Swim at Cool Science Experiments HQ

Find out if water conducts electricity

We always tell kids to get out of the water as a storm approaches. This 5th grade science project helps explain why. (Conductivity vs. non-conductivity is one of the properties of matter too.)

Learn more: Electricity and Water at Rookie Parenting

Blow up a balloon—without blowing

This is the classic science experiment that helps you teach the reactions between acids and bases, plus what happens when you mix different substances together. Fill a bottle with vinegar and a balloon with baking soda. Fit the balloon over the top, shake the baking soda down into the vinegar, and watch the balloon inflate.

Learn more: Balloon Reaction at All for the Boys

More 5th Grade Science Projects and Activities

Use these hands-on science activities to spice up your lesson plans or as enrichment projects for science-loving kids to try at home.

Erupt a salt dough volcano

Need a 5th grade science fair project? Go with a classic: the volcano ! This one’s made from salt dough, which is easy to work with and inexpensive to make.

Learn more: Salt Dough Volcano at Teach Beside Me

Peel an orange to understand plate tectonics

If students are learning earth science, use an orange to make plate tectonics easier to understand. Peel it, then reassemble it and look at the pieces as plates floating on the Earth’s mantle.

Learn more: Orange Tectonics at Science Sparks

Discover the strength of eggshells

We think of eggshells as very fragile, but their shape makes them surprisingly strong. Try this experiment to learn why arches are such a useful shape in architecture.

Demonstrate the “magic” leakproof bag

So simple and so amazing! All you need is a zip-top plastic bag, sharp pencils, and some water to blow your students’ minds. Once they’re suitably impressed, teach them how the “trick” works by explaining the chemistry of polymers.

Learn more: Magic Leakproof Bag at Paging Fun Mums

Explore the science of glow sticks

Glow sticks are always a big hit with kids, so they’ll have a terrific time learning about the chemical reactions that make glow sticks work.

Learn more: Glow Stick Science Experiment at A Dab of Glue Will Do

Grow crystal snowflakes

Kids love crystal projects, and this one results in winter decorations for your classroom. Your students will learn about supersaturated solutions and crystallization. ( See more winter science activities here. )

Learn more: Crystal Snowflakes at Little Bins for Little Hands

Escape from quicksand

Dive deep into the science of quicksand and learn about saturation and friction along the way. You’ll create a small “quicksand” pool from cornstarch and water, then experiment to find out the best ways to escape.

Learn more: Quicksand Experiment at Education.com

Watch the heart beat with marshmallows

If you can get your 5th grade science class to quiet down enough for this one, they might be able to see a marshmallow jump with each beat of their hearts!

Learn more: Heartbeat Marshmallows at Growing Grade by Grade

Make a foil bug walk on water

Surface tension allows water striders to dance across the surface of the water. Re-create this scientific phenomenon with little “bugs” made of aluminum foil.

Learn more: Foil Water Strider at The Homeschool Scientist

Find out how bile breaks down fat

Learning about the digestive system? This 5th grade science demo explores the purpose of the bile produced by the liver, which breaks down fat.

Learn more: Bile Experiment at Simple Southern

Construct a homemade lava lamp

This 1970s trend is back—as a 5th grade science project! Learn about acids and bases while putting together a totally groovy lava lamp.

Learn more: Homemade Lava Lamp at Education.com

Investigate osmosis with gummy bears

Gummy bears are not only tasty, but they can also help teach your 5th graders about the concepts of osmosis and equilibrium as well as solvents and solute.

Replicate a sunset

With just water, milk powder, a flashlight, and a glass dish, your 5th graders will investigate why the sky appears to change colors as the sun sets.

Learn more: Sunset Sky at Rookie Parenting

Defy gravity with floating water

This one might cause a bit of a mess, but it’s only water, and it’s all in the name of your students discovering air pressure. All you’ll need is a cup, index card, water, and crossed fingers that your classroom doesn’t become a puddle!

Model constellations

Space delights students of all ages. The mystery and mystique is intriguing, and creating a constellation out of pipe cleaners is a fun STEM activity to explore the night sky.

Learn more: Constellations Model at STEAM Powered Family

Continue the STEM learning with these 5th Grade Math Games for Teaching Fractions, Decimals, and More .

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5th Grade Research Projects, Science and Social Studies Projects With a Twist!

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PDF and Digital! Ready-to-Go Research Projects for Fifth Graders! With this resource, you'll find 40 engaging, creative and fun enrichment research projects about interesting science and social studies topics aligned to most 5th grade curricula. The projects allow students to think outside of the box when they research topics for specific answers. From creating awards for famous inventors or explorers, to researching ways renewable resources contrast each other, to researching ways that unique reptiles use different ways to adapt to their environment or even researching reasons why one country's army might be envious of another's in a major war, your students will love these projects! Print and go enrichment!

Digital Option Available!

Works perfectly for distance learning as well!

The projects are perfect for gifted classrooms and advanced learners; go-to-projects for early finishers or for all students who are eager for opportunities to research new and interesting information.

The projects can be printed and students may write on the forms provided; or you can laminate each project and have students record their answers on separate sheets of paper.

I've also included a blank template in case you'd like to create more projects yourself.

For more 5th grade "print and go" enrichment resources, please view the resources below:

5th Grade Math Enrichment Weekly Research Projects

5th Grade Reading Enrichment Weekly Research Projects

5th Grade Science Enrichment Weekly Research Projects

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50 Top 8th Grade Science Fair Projects and Classroom Activities

Find interesting ideas to engage all learners!

Whether your students are preparing for the science fair or you’re looking for classroom ideas to grab their interest, we’ve got the answers! Find lots of 8th grade science fair projects across a spectrum of topics and difficulty levels (including plenty of easy science fair project ideas). Plus, check out fun classroom demos and hands-on experiments and activities your students will love.

To make it easier to find classroom activities or science fair projects for 8th graders, we’ve rated all the projects and activities by difficulty and the materials needed:

Difficulty:

• Easy: Low or no-prep experiments you can do pretty much anytime
• Medium: These take a little more setup or a longer time to complete
• Advanced: Experiments like these take a fairly big commitment of time or effort
• Basic: Simple items you probably already have around the house
• Medium: Items that you might not already have but are easy to get your hands on
• Advanced: These require specialized or more expensive supplies to complete

Biology and Life Science 8th Grade Science Fair Projects

Chemistry 8th grade science fair projects, physics and engineering 8th grade science fair projects, 8th grade science classroom demos, experiments, and hands-on activities.

Explore human behavior, plants and animals, the water cycle, and more with these 8th grade science fair project ideas.

Measure and compare lung capacity

Difficulty: Easy / Materials: Medium

This experiment combines math and biology to measure lung capacity using a balloon. There are a lot of interesting hypotheses students can form, document, and explore while taking these measurements.

Learn more: Measuring Lung Capacity at Blog She Wrote

Guide a growing plant through a maze

Difficulty: Medium / Materials: Basic

Prove that plants really do seek out the light by setting up a simple or complex maze. This is a simple 8th grade science project with really cool results.

Learn more: Plant Light Maze at KiwiCo

Explore symbiosis with nitrogen-fixing bacteria

Difficulty: Medium / Materials: Medium

Many plants depend on nitrogen for growth, but how important is it? This science project compares the growth of pea plants with and without nitrogen-fixing bacteria.

Learn more: Nitrogen and Plants at Education.com

Test water quality

A water-testing kit opens up limitless options for 8th grade science fair projects. Test the water quality of local streams, swimming pools, or even the taps at home.

Learn more: Water Quality Experiment at The Homeschool Scientist

Cast animal tracks

Explore wildlife biology by becoming an expert tracker! Learn to identify tracks and take casts. Turn this into an experiment by trying different methods to take casts, or use it as a method of identifying wildlife in the woods.

Learn more: Casting Animal Tracks at Blog She Wrote

Determine a plant’s favorite music

Play different types of music for plants, then observe and document any changes in the growth and development of the plants as they’re exposed to different genres of music.

Conduct fingerprint analysis

Budding forensic scientists will love this idea. Learn to dust for prints and try a technique called “fuming” for trickier surfaces. See if you can compare prints and make accurate matches in the classroom. You can buy a fingerprinting kit just for kids  or use supplies from around the house.

Learn more: Fingerprinting at Home Science Tools

Examine the connection between personality and memory

Do introverts have better memories than extroverts? This science project aims to find out. Round up some willing volunteers and administer the Myers-Briggs personality test, then challenge your subjects with a memory test. The results may or may not surprise you!

Learn more: Memory and Personality at Education.com

Measure algae growth

Fertilizer runoff has become a serious cause of water pollution. In this experiment, students will see its effects firsthand and brainstorm ways to keep it in check.

Learn more: Algae and Pollution Experiment at Layers of Learning

Water plants with different liquids

In this easy science fair project, kids water plants with different liquids, like rainwater, tap water, salt water, and even soda. They might be surprised at the results!

Learn more: Effecting Plant Growth at Calm the Chaos Parenting

Beakers and test tubes, pouring and mixing … do it all with these fun chemistry science fair project ideas for 8th graders.

Perform a starch test with iodine

This simple chemistry experiment uses iodine to determine the starch content of food items. Use the process to perform a variety of 8th grade science experiments related to food.

Learn more: Starch Test at Biology Notes for IGCSE

Keep your hands warm

If you live in a chilly part of the world, chances are you’ve seen chemical hand warmers for sale. In this 8th grade science fair project, use oxidation to make your own hand warmer, and find other creative ways to use this heating process.

Learn more: Homemade Hand Warmer at Steve Spangler Science

Compare electrolytes in sports drinks

Sports-loving kids will enjoy the chance to learn just how many valuable electrolytes their favorite sports drinks contain. Compare them with water or orange juice for a cool science fair project. You’ll need a few special supplies, like a multimeter and an ohm resistor , but they’re not too expensive and they’re easy to find.

Turn juice into spheres

You’ll need a few special supplies for this experiment , but the results are so cool. Turn spherification into a science fair project by experimenting with different beverages and liquids.

Block the sun’s UV rays

Use color-changing UV beads to test the protective power of medicine bottles, hats, clothing, and more. This is an easy 8th grade science fair project with nearly endless possibilities.

Grow a carbon sugar snake

Remember those little black pellets that fire up into long snakes on the 4th of July? This is the same concept but much bigger! The simple chemical reaction of sugar and baking soda makes it happen. Turn this into an 8th grade science fair project by varying the formula to create even bigger results!

Learn more: Carbon Sugar Snake at KiwiCo

Create a rainbow of flames

You can change the color of fire by adding chemicals found at your local grocery store—what a sight! How can you use these flame colors to determine the chemical content of other materials? Sounds like a cool 8th grade science fair project!

Get your laundry really clean

Find out if all those laundry detergent commercials are really telling the truth with this 8th grade science fair experiment. Test their cleaning power on a variety of stains and fabrics, and analyze your results.

Learn more: Science of Cleaning Products at Steve Spangler Science

Study the effects of acid rain

Difficulty: Easy / Materials: Basic

In this project, students use chalk as a stand-in for stone to learn how acid rain affects buildings, statues, and more. Turn this into a science fair project by exploring ways to mitigate the effects of the acidity.

Extract bismuth from Pepto Bismol

Difficulty: Advanced / Materials: Advanced

This is the kind of project that really makes you feel like a scientist. Grinding tablets with a mortar and pestle, filtering in beakers, heating over a Bunsen burner … this is what chemistry is all about!

Learn more: Extracting Bismuth at Popular Science

Optimize fermentation temperature

Delve into the mystery of how temperature affects the fermentation process and determine the optimum temperature for yeast development. (Test your hypothesis by baking a loaf of bread!)

Learn more: Hot Yeast at Elemental Blogging

Brew up some root beer

Who says science can’t be delicious ? Tinker with the basic root beer recipe to make it sweeter, fizzier, or better in any way you like!

Learn more: Root Beer Science at Steve Spangler Science

For those who love to build and tinker, try a science fair project that experiments with various physics concepts like energy, electricity, motion, and more.

Build a better light bulb

First, use the steps at the link to build a simple light bulb with a jar, some wire, and a 6-volt battery . Then, turn it into an 8th grade science fair project by tinkering with the various materials to make a light bulb that lasts longer, burns brighter, or is powered by an alternative source.

Learn more: Build a Light Bulb at 123 Homeschool 4 Me

Test the strength of interleaved paper

Paper seems smooth and slides apart easily, right? Not when you add friction into the mix! Mythbusters was amazed at how much strength it took to pull apart two interleaved phone books. Try this with smaller books for an 8th grade science fair project that people won’t believe!

Stand on a pile of paper cups

Combine physics and engineering and challenge 8th grade science students to create a paper cup structure that can support their weight. This is a cool project for aspiring architects.

Learn more: Paper Cup Stack at Science Sparks

Cook up a tasty treat with solar energy

Students can design and build a solar oven, and then use it to cook food to compare the cooking time and temperature with a conventional oven. See if you can improve on the original design by changing up the materials or construction.

Investigate advanced properties of liquids

Do surface tension and viscosity decrease with increasing temperature? Find out in this 8th grade science fair project.

Learn more: Surface Tension and Viscosity at Education.com

Make a solar desalinator

Clean freshwater is a valuable commodity. Construct solar-powered desalination devices with readily available materials, and find the most effective desalination methods.

Engineer a roller coaster loop

Kids may have created marble roller coasters before, but have they ever built one with a loop-the-loop? They’ll have to experiment to find out which initial height gives a marble the speed it needs to complete the journey.

Capture a picture of lightning

Difficulty: Advanced / Materials: Medium

Lichtenberg figures capture the branching path of electricity as it travels through an object. You can make your own in a variety of ways, including burning it into wood or acrylic.

Learn more: Lichtenberg Figures at Science Notes

Crash cars for science

This is a great class project for teachers, but it’s also excellent for an 8th grade science fair project. Build cars and crash-test them to learn the best methods of keeping passengers safe.

Learn more: STEM Car Crash Project at The Ardent Teacher

Discover the center of gravity

Once you find and maintain its center of gravity, almost any object will balance, even in surprising circumstances. Using this concept, what amazing objects can you balance and where?

Learn more: Center of Gravity at Rookie Parenting

Power up homemade batteries

Building batteries is a classic science experiment for any age. Make it into an 8th grade science fair project by trying different variables and exploring the amount of power you can produce.

Learn more: DIY Batteries at 123 Homeschool 4 Me

Assemble a spring balance scale

Apply Hooke’s law to find out if the stretching of a spring can be used to accurately measure the weight of objects. The materials are simple, but you’ll need patience and physics to calibrate a spring and use it to test weights.

Design a robotic hand

This is a project that can be tweaked by coming up with ways to improve upon the design. Can you build a hand that can pick up a ball? How about one that can pluck up a piece of string? So many possibilities!

Learn more: DIY Model Robot Hand STEM Activity at Mombrite

Build an infinity mirror

Experiment with optical illusions by creating a tunnel of lights that seems to stretch away into infinity. Eighth grade science students will learn about engineering and the physics of optics along the way.

Construct a Rube Goldberg machine

Create a machine to complete a simple task in the most complicated fashion! This is a neat 8th grade STEM fair project because it allows you to use a variety of physics concepts in a fun way.

Explore a wide variety of 8th grade science concepts with these fun and engaging activities.

Protect an egg in a crash

We love this spin on the classic egg-drop project. In this version, students build a structure to protect an egg during a collision with a wall, making the connection between crash tests and physics concepts.

Drop an egg to prove the first law of motion

This experiment looks like a magic trick, but it’s firmly grounded in Newton’s first law of motion. When you knock the pie tin out of the way, the egg falls straight into the glass thanks to inertia. (Worried about making a mess? Use plastic eggs instead.)

Learn more: Egg Drop Inertia Challenge at Steve Spangler Science

Break out the leaf blower to teach Bernoulli’s principle

Eighth grade science students have probably seen a Bernoulli demo or two, often with straws and Ping-Pong balls. So grab their attention by trying it with a leaf blower and a beach ball instead!

Assemble a Newton’s cradle

Newton’s cradle is a fascinating way of demonstrating momentum and energy transfer. Follow the directions at the link to build one, or challenge 8th grade science students to experiment with their own construction methods.

Learn more: Newton’s Cradle at Babble Dabble Do

Extinguish a candle without blowing it out

Combine an acid/base experiment with some fire science in this really popular classroom science demo. It seems like magic, but it’s just science!

Relight a candle without touching it

Tell students you’re going to relight a candle without touching the flame to the wick. The results will boggle their minds!

Learn more: Magic Traveling Flame at Steve Spangler Science

Demonstrate the “unpoppable” balloon

Your students won’t believe you when you say you can hold a balloon up to a flame without popping it. Use the conductivity of water to prove your point.

Extract your own DNA

DNA is the blueprint of life, and you’ll be surprised at how easy it is to extract your own with a few simple supplies. Preserve it in alcohol in the freezer when you’re done.

Learn more: How To Extract DNA at Home at Home Science Tools

Build a trash can air cannon

This is such a fun way to demonstrate an air vortex! It takes a little effort to build the air cannon, but you can use it year after year for amazing 8th grade science demos.

Separate water into hydrogen and oxygen

Use electrolysis to prove that water really is made up of hydrogen and oxygen. It’s a simple concept but one that never fails to amaze.

Learn more: Separating Water at Navigating by Joy

Assemble a ring of Pringles

Everybody loves an edible STEM challenge! Here’s one that seems simple but takes some time to work out: Build a ring of Pringles chips without using any other materials.

Construct a cup holder

Can your 8th grade science students build a device to stabilize and carry two cups of water, using only a few simple supplies? Oh, and can they manage it in just 5 minutes? This timed challenge pushes their creative engineering limits!

Learn more: Cup Holder STEM Challenge at Homeschool Creations

Navigate a light maze

Here’s the STEM challenge: Bounce a beam of light around a corner past an obstacle. Increase the difficulty by adding more obstacles and variables.

Engage your 8th grade science students further with these 24 Science Kits for Middle and High School That Make Hands-On Lessons Easy .

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