This project examines whether and what associations exist between numbers and letters and colors.

This project explores whether the tempo of the background music we hear in a businesses is important to the environment and how customers move.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

In this science fair project, students evaluate if the phases of the moon affect the way people feel.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This basketball project explores the best way to make the perfect shot every time.

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

This middle school science fair project evaluates test subjectsâ ability to determine what a person is feeling by reading their facial microexpressions.

Do suds equal more clean or does a sud-free cleaning agent works just as well or even better?

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

Free science fair project idea examining how different types of water affect plant germination and growth.

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 experiment tests which gender is better at catching how a magician performs his tricks.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

This experiment investigates whether left-handed test subjects have better memories than right-handed participants.

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

This project compares the strength of one, two, and three-ply toilet paper.

Design and build an invention inspired by Rube Goldberg's designs. Build your invention. Test the machine, write a detailed report.

Will male or female hair grow faster? Find out in this science fair project idea!

This experiment will determine how different kinds of light affects the strength of bakerâs yeast.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

This project explores ways to prevent static electrical shocks.

This science fair project idea explores if people with cool skin tones prefer cool colors and people with warm skin tones prefer warm colors.

Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.

Can you wink? Is your ability to wink genetic or simply based on chance? Find out in this science fair project idea!

Observe which kind of fresh long-stemmed flower will last the longest after being picked.

Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.