In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Introduce your child to the amazing, almost magical phenomenon of static electricity!

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Your child will decorate a headband with any bugs they can think of, then they'll add antennae so they can pretend to be a bug!

Is it a square or a circle? See if you can trick your friends with this zany science project!

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

You don't need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

Plants and light seem to be good buddies, but how far does the friendship really go?

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Hold a magnet marathon! Explore the power of magnets with your kindergartener in this entertaining and simple science game.

Using a toy race car kids create a visual model of the Doppler Effect.

How do organic materials become soil? This science experiment measures what materials biodegrade.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.