In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

A math project teaches students to use a clinometer to gauge the height of very tall objects like trees & to think of better ways to measure how high they are.

Demonstrate how to tell the age of an egg without having to crack it open.

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

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Follow in the footsteps of movie character legends as you walk your little one through the steps of becoming a junior archaeologist.

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Use the textures found in nature to create your own stationery! This fun, outdoor activity will no doubt inspire your child's creative side.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

Scavenger Hunt! Check out this fun science fair project idea to explore the difference between opaque, translucent, and transparent objects around your house.

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.