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Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

Your child will decorate a headband with any bugs they can think of, then they'll add antennae so they can pretend to be a bug!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

The goal of this science fair project was to examine how different angles of decline affect the tipping point of a vehicle.

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

This fascinating science fair project explores eye color genotypes.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.