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.

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.

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

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

In this science fair project, students evaluate test subjects to determine if certain personality traits are more common in frequent users of social media.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

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

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

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

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.