Word color association is just a fancy way to talk about the way we connect colors with words.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

This experiment investigates whether font choice affects peoplesâ ability to remember the information that they read.

Test of the effect of exercise on rote memory. Prepare a single list of 40 randomly chosen words. Have volunteers recall as many words as possible.

This project examines which type of dance burns the most calories.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Choose a timeline to live without technology. Keep a journal of all the issues encountered. What are the benefits and cons of modern technology?

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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

The objective of this science fair project is to assess the benefits of the game system for improving player performance following use.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

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

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Will people still feel hungry once they eliminate grains from their meal? Find out in this science fair project idea!

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

This science fair project idea explores the fastest average speed a human can talk.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

The objective of this science project is to determine whether the brain first processes colors, shapes, or words when given conflicting messages.

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