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

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

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

In this activity your child will create their very own marble maze!

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

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.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.