The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

Check out this cool science fair project on identifying rocks and minerals for kids.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.