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.

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