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

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.

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

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.

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

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

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.