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!

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

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

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

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!

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.