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

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

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

This science fair project idea produces sounds by creating vibrations using different objects.

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

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

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

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

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

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

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

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.

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.