Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This project investigates the affect of storage temperature on microwave popcorn.

In this science fair project, students create their own miniature salt flats at home.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

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

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

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

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

This biodiversity project examines the biodiversity in your own backyard.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Construct and experiment with a periscope using reflected light rays to gather an image.

Start your toy engines -- this is going to be a fast and friction-filled race!

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.