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We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

Choose a timeline to live without technology. Keep a journal of all the issues encountered. What are the benefits and cons of modern technology?

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!

This science fair project idea studies the acidity of rain water and whether the acidity is the same on all rainy days or does it fluctuate.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

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.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This science fair project idea examines if there is a reason that musical notes are at the pitches they are.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Explore convex and concave objects and how they reflect light.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This science fair project idea explores how water and ice can change the form of rocks.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.