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

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

Is it a square or a circle? See if you can trick your friends with this zany science project!

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.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

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.

Determine if gender affects the ability to identify different smells.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

This project examines whether people's taste perception is influenced by what they see.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Celebrate Hanukkah the old-fashioned way with an oil lantern. This craft is a perfect opportunity to teach your child the history of this special holiday.

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