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.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.