This science fair project idea experiments with spinning color wheels and optical illusions.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

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

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

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

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

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