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In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

This project explores differences in people's reactions to images in color and images in black and white.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

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

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

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

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

This science fair project investigates why the number of visible stars changes from place to place.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

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!

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.

This science project involves comparing the relative effectiveness of salt, pepper and dehydration in food preservation.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

Try this simple activity with your middle schooler to help him develop an understanding of why scientific classification systems exist and how they work.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector