Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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

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

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

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

Find out whether matching resonant frequencies can cause objects to shatter.

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.

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

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

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.