Start your toy engines -- this is going to be a fast and friction-filled race!

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

This science fair project will help students learn about non-vascular plants, such as mosses.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Discover whether cold or hot water from the faucet will boil faster on the stove.

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

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

In this project children practice the scientific method while playing with puffy paint.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

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!

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

Think you can blow up a balloon without using your mouth? This isn't just a cool trick, it's also a great way to introduce chemistry and biology concepts.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Instead of the traditional egg hunt, try this creative variation that will result in a beautiful Easter garden.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.