Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Test your skills as a weather forecaster, and learn some science terms on the way!

Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

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

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

Study blind spots, run experiments in blind spot detection, design an original blind spot experiment, test your design on volunteers

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

Compare the amount of ozone in various locations with this science fair project that will have your kid create her own ozone strips!

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

Polymers remove oil from contaminated waters. The purpose of this science project is to test the effectiveness of a polymer in cleaning up an oil spill.

Science fair project that uses iodine solution to demonstrate how starch is turned into sugar when it is chewed in the mouth.

Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

A science scavenger hunt can be a fun way to learn about science. Test your child's knowledge of scientific terms with this science scavenger hunt.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.