Puppets can help preschoolers practice communication and conflict resolution.

Determine if gender affects the ability to identify different smells.

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.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

Learn whether writing things down really makes things easier to remember.

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

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

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

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.

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

How well can people recall what they have observed. Test your knowledge in this fun experiment.