Will people perceive your intelligence differently depending on your hair color? Find out in this science fair project idea!

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

This science fair project idea provide quantitative data about how well the use of ASL ( American Sign Language) works in communicating with babies.

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

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

Learn how matter transmits sound with a simple, hands-on experiment using sand, water and air.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

This tactile activity helps kindergarteners learn about texture.

This project examines which type of dance burns the most calories.

This science fair project demonstrates the "power of conformity".

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

This science fair project idea investigates the relationship between memory and age.

Which bread molds fastest? Explore the different kinds of breads and how quickly they mold, along with the role of preservatives.

Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.

Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

In this science fair project, students test how objects float and sink in liquids of different densities.

This project examines whether humans can intuitively grasp numeric values greater than three.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Science fair project that demonstrates the process known as refraction, which allows glasses and contact lenses to help people with poor vision.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

This science fair project idea designs safe bicycle routes using GPS.