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.

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

The purpose of this science fair project is to build a basic radio.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This science fair project idea produces varying pitches of sound.