Nothing engages a science class more than getting to perform hands-on experiments and activities. These 6th grade science projects teach important concepts, but students will have so much fun they’ll barely realize they’re learning!

1. Assemble a steady-hand game.

This is such a fun way to learn about circuits! It also brings in a bit of creativity, adding the “A” to STEAM.

Learn more: Left Brain Craft Brain

2. Engineer a cell phone stand.

Your 6th grade science students will be thrilled when you let them use their phones in class! Challenge them to use their engineering skills and a small selection of items to design and build a cell phone stand.

Learn more: Science Buddies 

3. Make naked eggs.

Students dissolve the calcium carbonate eggshell in vinegar and discover the membranes beneath that hold the egg together. It’s a unique and intriguing way to learn about acid-base reactions. 

Learn more: Making Memories With Your Kids

4. Experiment with naked eggs.

6th Grade Science

Now, submerge those naked eggs in corn syrup and water to learn about osmosis. The eggs shrink or grow, depending on the liquid they’re placed in—so cool!

Learn more: Steve Spangler Science

5. Fire catapults to learn about trajectory.

Flinging stuff around in the name of science? 6th grade students will be all over it! This simple catapult activity focuses on the trajectory of objects based on force and other factors.

Learn more: Education Possible

6. Build a heart pump model.

6th Grade Science

Students gain a deeper understanding of the cardiovascular system when they construct a working model of a heart ventricle. 

Learn more: Tina’s Dynamic Homeschool Plus

7. Grow your own geodes in eggshells.

6th Grade Science

The magic of crystals never fails to amaze! Crystal experiments are a favorite way to teach about supersaturated solutions. In this one, they’ll wind up with an amazing eggshell geode to take home.

Learn more: Sweet Paul

8. Make sparks with steel wool.

All you need is steel wool and a 9-volt battery to perform this science demo that’s bound to make their eyes light up! Kids learn about chain reactions, chemical changes, and more.

Learn more: The Homeschool Scientist

9. Launch a two-stage rocket.

6th Grade Science

The rockets used for space flight generally have more than one stage to give them the extra boost they need. This experiment uses balloons to model a two-stage rocket launch, teaching kids about the laws of motion.

Learn more: Science Buddies

10. Extinguish flames with carbon dioxide.

You’ll have to heavily supervise this one, but there’s so much to be learned that it’s worth it. Create an acid-base reaction and “pour” the carbon dioxide onto lit candles to extinguish the flames. Students will learn about the elements needed to make fire, how gasses can act like liquids, and more.

Learn more: Steve Spangler Science

11. Shake it up with earthquake science.

Build simple model structures, then experiment to see how the actions of earthquakes affect them. Different simulations show how engineering can create buildings that withstand serious shocks … or not.

Learn more: Love To Know

12. Change the color of a liquid in an instant.

6th Grade Science

Want to see your kids gasp in amazement? Perform the iodine clock reaction. You only need a few drugstore chemicals to change the solution from clear to dark blue faster than students can blink.

Learn more: Science Bob

13. Turn milk into plastic.

6th Grade Science

Use simple kitchen supplies to create plastic polymers from plain old milk. Kids will have fun sculpting the casein polymers into shapes while learning about the polymerization of plastics.

Learn more: Science Buddies

14. Create a colorful cell model.

There are lots of cell model projects out there, but this might be one of the cutest ones we’ve seen! And it’s easier to assemble than you might think.

Learn more: Angelicscalliwags

15. Extract DNA from a strawberry.

6th Grade Science

It’s surprisingly easy to pull a strand of DNA from this sweet fruit. Teach your kids about genetics and DNA with this 6th grade science project that uses only basic household supplies.

Learn more: Steve Spangler Science

16. Learn why leaves change colors in the fall.

6th Grade Science

As chlorophyll breaks down, other leaf colors appear. This experiment helps explain the process. It’s a really neat hands-on tool for teaching about photosynthesis.

Learn more: How Wee Learn

17. Drop parachutes to test air resistance.

Use the scientific method to test different types of material and see which makes the most effective parachute. Your students also learn more about the physics behind air resistance.

Learn more:

18. Do the Archimedes squeeze.

It sounds like a wild dance move, but this 6th grade science experiment helps kids understand Archimedes’ principle. All you really need is aluminum foil and a container of water.

Learn more: Science Buddies

19. Make motorized tiny dancers.

Build a homopolar motor to make little spinning wire dancers. It takes a little practice to get it right, but the instructions at the link below walk you through the process.

Learn more: Babble Dabble Do

20. Design a biodome.

There’s so much to learn in this 6th grade science project. Kids build a scale-model biodome to learn more about different environments and ecosystems, decomposition, the food web, and more.

Learn more: Teach Engineering

21. Create compost in a cup.

Discover how nature recycles organic material by making and observing mini compost piles. Students will learn about ecology and decomposition with this useful 6th grade science project.

Learn more: The Happy Housewife

22. Levitate a ping-pong ball.

Kids will get a kick out of this experiment, which is really all about Bernoulli’s principle. You only need plastic bottles, bendy straws, and ping-pong balls to make the science magic happen.

Learn more: Steve Spangler Science

23. Use a fidget spinner to understand inertia.

Learning about the Laws of Motion? This experiment uses a fidget spinner with three lights to show how mass and torque affect inertia.

Learn more: From Engineer to Stay at Home Mom

24. Look for iron in your breakfast cereal.

6th Grade Science

The human body needs iron to be healthy, and many breakfast cereals boast they contain it. Find out if that’s really true with this 6th grade science experiment that’s bound to surprise with its results.

Learn more: Steve Spangler Science

25. Dissect a flower.

6th Grade Science

Take a flower apart bit by bit to learn more about botany. Grocery store lilies are inexpensive and large enough for kids to see and identify the various parts.

Learn more: The Oakland Toy Lab/Instructables

26. Turn an apple into a wrecking ball.

This engineering project explores concepts like potential and kinetic energy and Newton’s third law of motion. Kids will have fun building an apple wrecking ball to knock down marker pins, testing their devices for force and accuracy.

Learn more: Feel-Good Teaching

27. Clone some cabbage.

Cloning isn’t just for horror movies or hi-tech labs. A leaf of cabbage can easily grow a clone of itself. Students learn about asexual reproduction in this easy 6th grade science project.

Learn more:

28. Find out if tea and cola stain teeth.

Use eggshells to explore how various beverages can stain teeth. This chemistry experiment also teaches important lessons about dental hygiene.

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29. Construct a pair of model lungs. 

Kids get a better understanding of the respiratory system when they build model lungs, using a plastic water bottle and some balloons. You can modify the experiment to demonstrate the effects of smoking too.

Learn more: Surviving a Teacher’s Salary

30. Dissect an owl pellet.

Dig into an owl’s undigested meals (it’s not as gross as it sounds!) to discover what their diet consists of. Owl pellets are readily available online, and kids will be intrigued by what they find.

Learn more: Gift of Curiosity

31. Turn a potato into a battery.

This project is an oldie but a goodie! This experiment uses the potassium in the potato to conduct energy and can also be done with lemons or other high-potassium fruits and veggies.

Learn more: Kidzworld

32. Study sound waves with a spoon.

With just yarn and a metal spoon, learn how vibrations create sound and explore the role of conductors. 

Learn more: Edventures with Kids

33. Engineer a craft stick bridge.

6th Grade Science

Challenge groups to build a bridge with Popsicle sticks and push pins and find out which design can bear the most weight.

Learn more: Scholastic

34. Clean up some old coins.

Use common household items to make old oxidized coins clean and shiny again in this simple chemistry experiment. Ask students to predict (hypothesize) which will work best and then do some research to explain the results.

Learn more: Gallykids

35. Pull an egg into a bottle.

This is another classic science experiment that never fails to delight. Use the power of air pressure to suck a hard-boiled egg into a jar, no hands required. 

Learn more: Left Brain Craft Brain

Looking for more science ideas? Check out our collection of science projects for every grade K-8.

Plus, get all the best science bulletin board ideas to dress up your classroom!

35 6th Grade Science Projects That Will Wow Your Students