This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

In this science fair project, students investigate how different colors influence appetite.

This experiment explores whether caffeine improves athletic performance.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

Discover whether people can distinguish what a person looks like just by listening to their voice.

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

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

This science fair project idea explores discover whether there are any patterns or trends in the memories between different genders.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

In this fun experiment, we'll find out how color affects heat absorption!

This experiment investigates if stress alters body temperature.

In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.

This science fair project idea investigates if fats add to the flavor of food.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.