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

This science fair project idea produces sounds by creating vibrations using different objects.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

In this fun activity, your child will create their very own solar oven to bake s'mores!

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.