Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

Research currently available fuel sources, and fuel manufacturing and processing techniques. Propose an alternative fuel source.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This craft is an excellent way to learn about African-American history, and it also provides fine motor practice.

Show your middle schooler how a quick whirl of spinach in the blender will reveal the cobwebby "stuff"--or DNA--of life!

Evaluate gender differences in processing visual information.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

This science fair project evaluates the suggestibility of males versus females in copying the actions of those around them.

Design and build an invention inspired by Rube Goldberg's designs. Build your invention. Test the machine, write a detailed report.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Your preschooler is familiar with the colors in their crayon box, but can they find these colors in the world? Take them on a scavenger hunt to find out!

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

This science fair project investigates why the number of visible stars changes from place to place.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Science fair project idea examines what is remembered from high school education. Formulate and administer high school curriculum tests to adults over 21.

This science fair project idea examines whether people can decode scrambled messages.