This science fair project idea discovers the average time it takes for a person to remember something completely.

Trick your eye with this easy-to-make animation flip book! It's a fun way to learn about persistence of vision and is creative enough to entertain anyone.

This science fair project evaluates if and how eating a large meal affects ability to perform mental tasks.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

This science project investigates the influence of different genres of movies on appetite.

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

This project will explore whether music influences physical endurance.

Make a backbone model to explore human anatomy and life science.

Investigate the kinds of memories we tend to store and the emotions we store with them. Determine if memories have a strong emotional component.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

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

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

In this fun science fair project, draw a 3D picture and compare the holographic effects of red and blue 3D glasses and HD glasses!

This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.

This science fair project idea compares the cuteness reaction between genders.

Learn whether writing things down really makes things easier to remember.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

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

The project idea is to establish whether it is easier to memorize words with fewer syllables and to understand how memory works.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

In this project, a mnemonic is used to test how it increases memory.

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.