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

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

Explore the belief in astrology as a predictive system.

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.

Get a cool science project idea on a photovoltaic cell and explore the various factors that affect the energy output of the photovoltaic cell.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Test whether spot magnets can help improve the symptoms of an injury.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

This experiment investigates whether left-handed test subjects have better memories than right-handed participants.

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

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Test the idea that people who wear glasses tend to be more educated. True or false?

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

In this science fair project, we will test how different kinds and shades of hair respond to bleach.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

This experiment evaluates if the lighting in a room affects the speed at which test subjects perform mental tasks.

This experiment evaluates if a noisy environment makes it harder for test subjects to perform tasks that require hand-eye coordination.

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

In this project, a mnemonic is used to test how it increases memory.

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

Test your friends to find out if you can replicate the placebo effect's incredible results.

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

This middle school science fair project evaluates test subjectsâ ability to determine what a person is feeling by reading their facial microexpressions.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

This project compares test subjects' responses to whining and other "attachment" and attention-getting sounds to determine which sounds are most distracting.

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

This experiment will test whether people are better auditory or visual learners and if there is a link between gender and either of these learning types.

Test ability to distinguish between natural and artificial aromatherapy oils. Select fragrance, natural and synthetic sample. Volunteers state preference.