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

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

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

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

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.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

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

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

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.

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.

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

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

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