This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

This classic children's game demonstrates how sound travels through air vs. through a solid.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

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.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

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

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

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.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Science fair project that examines the biodiversity of ant populations in various locations.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

This science fair project idea explores the fastest average speed a human can talk.

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 evaluates the suggestibility of males versus females in copying the actions of those around them.

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

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

In this science fair project, students create their own miniature salt flats at home.

This science fair project idea tests the efficiency of short term memory.

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

This science fair project idea examines whether music has an effect on a person's ability to complete a simple task that requires concentration.