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

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

This science fair project idea examines whether people can decode scrambled messages.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

This science fair project idea provide quantitative data about how well the use of ASL ( American Sign Language) works in communicating with babies.

What happens when colored beams of light mix? You might be surprised.

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.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

Study how we perceive color by exploring optical illusions such as pointillism, digital images, and Ishihara tests.

Find out whether matching resonant frequencies can cause objects to shatter.

Make this easy composting dessert and then enjoy the yummy results!

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.

This science fair project idea investigates the relationship between memory and age.

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.

Use pepper and soap to discover some fun facts about the properties of water.

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

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

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

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

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

This project will explore whether music influences physical endurance.

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.