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 demonstrates the principles of reflection through simple experiments involving mirrors and light.

This experiment investigates whether there are certain sounds that affect men and women differently

This science fair project idea demonstrates sonar mapping of the ocean floor.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

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

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.