This simple experiment serves as an introduction to the greenhouse effect.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

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

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

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.