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

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

Put your kid's Internet research skills to the test with this activity that will help him learn more about the history and cultural significance of fireworks.

Test your learner's knowledge of Barack Obama by challenging your child to complete a crossword puzzle about the President after reading a short biography.

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

Kids put their geography knowledge to the test in this balloon volley game inspired by the Dr. Seuss book "Oh the Places You'll Go".

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

Determine if gender affects the ability to identify different smells.

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.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

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

Here's a simple activity to reinforce your fourth grader's study of her home state and help her make a pretty keepsake.

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

In this activity you and your child will learn about the African Americans that changed history in a fun quiz format.

Give your child a taste of life in Civil War era America by mixing up a batch of old-fashioned cornbread, adapted from a 19th century recipe.

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.