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

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

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

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

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

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

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

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 teaches about mold. Students will test different foods to see which grow mold the fastest.

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

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

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

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

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

Design and build an invention inspired by Rube Goldberg's designs. Build your invention. Test the machine, write a detailed report.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

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 information on vitamin content in foods, Examine the effect of vitamins, test organic samples of fruits, meats, grains for vitamin content.

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

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

Research camouflage products and techniques, test quality by timing volunteers. Calculate the average length of time to recognize the subject.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

Research active ingredients in anti-aging creams. Test skin creams on volunteers, document the effectiveness of the creams with before an after photographs.

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

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

Test whether cutting up meats will make it cook faster than just cooking it whole.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.