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.

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

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.

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

Slip some science into storm watching with a homemade rain gauge!

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

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

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

Explore the belief in astrology as a predictive system.

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

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.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

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.

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

This science fair project idea explores how far the average human can see.

This science fair project idea explores whether certain physical and mental traits run in the family.

Demonstrate how to tell the age of an egg without having to crack it open.

Explore convex and concave objects and how they reflect light.

Fibonacci sequences have been observed throughout nature, like in leaves and flowers. In this project, students find examples of the Fibonacci sequence.

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

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

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

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.