In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Using a toy race car kids create a visual model of the Doppler Effect.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This project examines what types of objects burn and which burn faster and cleaner.

Test whether plants can grow without sunlight and water.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

This basketball project explores the best way to make the perfect shot every time.

In this experiment we will be determining whether birds prefer certain colors of seed.

Discover whether a metal will expand under hot water.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

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.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.