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This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

This science fair project idea shows how a vibrating object transfers energy to whatever it touches.

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

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

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

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

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

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

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.