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.

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.

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

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 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.