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In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

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

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

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

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

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

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.

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

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

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

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.