In this science fair project, students test how objects float and sink in liquids of different densities.

Test the combustion of different types of woods.

Test the placebo effect in different groups of people.

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.

Explore the belief in astrology as a predictive system.

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?

Test whether plants can grow without sunlight and water.

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

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

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

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

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

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.

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

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.

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

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

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.

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

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.

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

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

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

This science experiment has students test whether a snail moves faster on concrete or dirt.

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