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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Kids are acutely aware of what's "fair" and what's not. Here's a quirky way to teach your first grader the importance of voting and democracy.

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

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

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 measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Give your child an American history lesson as you create a colorful mini totem pole!

Light up the sky with this lotus lantern, a perfect way to explore Buddha Day.

Civil War soldiers didn't take their wives with them to the battlefield, but they took along a piece of home: little sewing kits called "housewives".

Explore history and prepare for backyard battle with this samurai helmet craft.