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

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

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

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

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

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