The purpose of this science fair project is to build a basic radio.

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.

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

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

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.

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

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

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

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

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