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The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.

This science fair project evaluates if and how eating a large meal affects ability to perform mental tasks.

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

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

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.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

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

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Research active ingredients in anti-aging creams. Test skin creams on volunteers, document the effectiveness of the creams with before an after photographs.

Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

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

This experiment explores how listening in to a one-sided conversation affects concentration.

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

Test out various brands of permanent markers to see which one is least water soluble.

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

In almost every preschool classroom is a sensory table. Learn how to make one at home!

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Science fair project that determines whether moths are attracted to one color of light more than others.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.