Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

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.

This experiment will examine and precisely measure the amount of sugar in various sodas.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

This experiment evaluates whether a personâs dominant hand is more sensitive than their non-dominant hand.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

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

Explore scientific concepts with this experiment that introduces kids to the scientific method!

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

This project determines what category of person is most likely to be ticklish.

This experiment evaluates whether a person's eye color affects their ability to identify colors in low light.

In this science fair project, high school students will try to determine the mathematical patterns in JS Bach's two movement preludes and fugues.

Design an improvement for an existing website. Program improved feature, get website owner to implemement new design.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

This science fair project idea identifies and understands adaptations in birds.

This science fair project idea investigates food preference of birds.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.