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This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

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

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

Discover whether the color of text correlates with ease and speed of reading.

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

This science project has students study the idea of human beauty.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

Examine whether males or females are more likely to have a higher center of gravity.

Explore the effect of wind speed on the burning rate of a candle.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project researches the most effective method to cut an onion and stay tear-free.