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

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.