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.

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

This science fair project idea explores whether talking to a plant will help it grow.

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