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

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

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

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

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.

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

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!

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.

Enhance fourth-grade measurement making skills and social studies learning with this stitching project.

In this activity, your child will make her own book of Swahili numbers filled with pictures of animals found throughout Africa.

Explore the world from your own home by conducting research about other cultures with your 4th grade child.

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.

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

Learn how to count in Spanish. Your child will practice her numbers and build her reading skills while learning a bit about Latino culture along the way.

In this activity, your child will create a fun lion mask and learn a little about Chinese culture too!

To celebrate black history month, use this matching quiz to help your kid demonstrate their knowledge of famous African-Americans.

Send your child on an online hunt where he will practice working with search engines and use his reading comprehension skills to find specific information.

What better way to remember the achievements of past U.S. Presidents than with a game of memory!

Celebrate Black History Month by having your child make her own version of a kente cloth after learning what the different colors on a kente cloth symbolize.

Determine if gender affects the ability to identify different smells.

Help your kids put together a travel journal for your family's next vacation to get them reading, writing, and thinking about what's happening on the trip.

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

In honor of Black History Month, this activity encourages your child to focus on African American inventors, and do a little inventing of his own.

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

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

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.

El dia de los muertos (the day of the dead) is a Mexican holiday celebrated on November 1st and 2nd every year. Other Latin American countries celebrate a variation of the holiday, but it originates in Mexico and is unique to this country. These two days