This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

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

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Science fair project that tests whether cats have a preference for organic food.

Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

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

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

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

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

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

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

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

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

This experiment will investigate whether reward or punishment is more apt to motivate people.

This science fair project idea tests whether tall people have the ability to swim faster than people of average and shorter heights.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.