What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project idea experiments with spinning color wheels and optical illusions.

This science fair project idea investigates the difference in reaction times between boys and girls.

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

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

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

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

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