This science fair project idea investigates how images are influenced by changes in light.

Explore the neural and mental mechanisms at play in mental imagery.

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

This project examines whether corked bats truly make a ball travel farther than wooden bats that haven't been altered.

This experiment examines if space objects become round after reaching a certain mass.

In this science fair project, students investigate the applicability of Benford's Law to many sets of everyday data.

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

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

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

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

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

Examine the effect of pressure on carbonation in soda.

Science fair project that determines the relationship between the temperature and the rate of cricket chirping. How many times do crickets chirp each minute?

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

Check out is fun science fair project idea to learn about heat transfer and why certain insulating materials are more practical than others.

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.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

This experiment will explore how mallets of various materials and weight create sonic tones of varying lengths.

Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

Explore the relationship between personality traits and birth order effects.

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

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.