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.

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

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.

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.

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.

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.

Make a backbone model to explore human anatomy and life science.

Investigate the kinds of memories we tend to store and the emotions we store with them. Determine if memories have a strong emotional component.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

This experiment uses Rosenberg's Self Esteem Scale to evaluate if there is a correlation between family size and self esteem.

Science fair project idea examines different techniques for memorization. Analyze results of memory tests to determine which method is most effective.

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 about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

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.