Test whether plants can grow without sunlight and water.

Explore the belief in astrology as a predictive system.

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

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

This experiment investigates whether smell can be used to enhance test subjects' memories.

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

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.

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

Multiple-choice test questions can be confusing. Here's a toolbox of tricks and strategies to help your teen become a multiple-choice master.

This science fair project tests test whether the presence of spell check has changed standards for spelling.

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

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

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

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

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

Find out which kind of bubble wrap fares best when put in impact.

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

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

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

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

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

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

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

In this experiment you will use plastic and magnets to test your local soil composition.

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

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

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

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.