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!

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.

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

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.

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.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.