This project determines how much the rebound rates of tennis balls change after ten games.

Get a fun science fair project idea for high school students on the basic and current information on the process of propulsion.

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

In this fun experiment, we'll find out how color affects heat absorption!

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

This science fair project idea explores discover whether mixing solutions of equal distances from neutral pH (7) will create a solution close to pH 7.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

This science fair project evaluates which sense produces the fastest response time: hearing, touching, smelling or seeing.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science fair project idea determines if females or males tend to do better on optical illusion tests and whether certain age groups also do better.

Are you able to endure long periods of exercise? Find out if snorers can exercise longer than non-snorers.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Discover how and which salt melts ice the quickest.

This science project establishes a "breakability index" - basically to assess how much damage is done in different circumstances.

This experiment will evaluate how texting and talking on cell phones influence reaction time.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

This experiment examines if space objects become round after reaching a certain mass.

This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Explore the belief in astrology as a predictive system.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Can cells be frozen? This science fair project provides information to answer this question.

This science fair project idea discovers whether plants grow best in chemical fertilizer, organic fertilizer, or with no fertilizer at all.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

This science fair project investigates which type of light bulbs are the best at producing flattering photographs in both flash and non-flash conditions.