How clean is the air we breathe? The answer might surprise you. Learn how to investigate local air quality with this cool science fair project.

This science fair project idea produces varying pitches of sound.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.