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

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

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.

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

This science project examines the history of earthquakes and what we can do to prevent future disasters.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

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.

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