Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

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