Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

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.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

The science project fair idea explores the interaction between your nose, mouth, and brain when tasting a new food or drink.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

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

This science fair project idea discovers which parts of the body are more sensitive to touch than other parts of the body.

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

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.

Is it a square or a circle? See if you can trick your friends with this zany science project!

In this project students experiment with making music using only glasses of water.

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

This science fair project idea investigates whether air has mass and weight.

This experiment tests which gender is better at catching how a magician performs his tricks.

This science fair project idea determines if family members can recognize one another using only the sense of smell.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

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

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.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

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.

In this project children practice the scientific method while playing with puffy paint.

How do organic materials become soil? This science experiment measures what materials biodegrade.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.