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".

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

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

Help your child learn about the world through this 3rd-4th grade geography activity: start a postcard collection and mark where they came from on a world map.

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

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

Determine if gender affects the ability to identify different smells.

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.

Give your second-grader insight into the Huichol culture of Mexico with this arts and craft activity by creating an ojo de Dios (eye of God), or yarn weaving.

Here's a place mat your second grader can create, based on the classic frontier tradition of patchwork quilting.

Your first or second grader will delight in creating multi-colored confetti egg smashers, traditional in Mexico, called cascarones!

Help your third grader learn time zones with this fun map activity!

When it comes to helping your third grader manage a school backpack, small steps now bring big payoffs later.

Your child will look forward to lunchtime with this artistic reinterpretation of the same old cold lunch.

Teach your first or second grader about an important Mexican holiday, the Day of the Dead, with this traditional skeleton mask made out of a paper plate.

Introduce your second grader to a fun Mexican custom by showing her how to make papel picado, a beautiful creation of cut-out tissue paper.

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

Challenge your fourth grader to try to recreate the geography of her state using just flour, salt, and water.

Help your second grader celebrate the legacy of Dr. Martin Luther King with this rainbow table mat.

Help your fourth grader design a first class postage stamp for a hero who stood up for the dignity of people from all walks of life.

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

Next time you're headed out on the road with your fourth grader, try this alphabet-geography game that the whole family can play.

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.

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.