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This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

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.

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.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

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.

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.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

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.