Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

This experiment uses personality assessments to evaluate the prevalence of specific character traits in left-handed and right-handed people

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?

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

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

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

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

Identify vitamin C in fruit juices and to determine which of the following juices contain the most vitamin C

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

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.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Determine how we can separate the components of a solution

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

Determine which video game elevates the heart rate best and burns the most calories.

This project determines how much the rebound rates of tennis balls change after ten games.

This science fair project idea examines the differences between bottle water, filtered water, and tap water.

This science project idea's objective is to understand how TV mysteries change expectations of mystery stories.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

Examine the effect of pressure on carbonation in soda.

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 explore the possibility of a connection between lunar cycles and how humans are affected.

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

The objective of this sociologically-inclined experiment is to evaluate whether kids' toy preferences are hardwired or develop as they grow.

Science fair project that illustrates the properties of black holes in space.