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.

Science fair project that determines whether mass and weight are the same or different.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.