Find out whether people within a family tend to have matching fingerprints.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Determine which video game elevates the heart rate best and burns the most calories.

Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

This experiment evaluates how a diet that is rich in "mood-enhancing" foods affects the way people feel over several weeks.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

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?

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

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

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Investigate which substances are most effective at removing salt from water.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

Find out whether matte or shiny nail polish lasts longer.

Should you use âFITâ Fruit and Veggie Wash or plain water to wash your produce? Find out in this science fair project idea.

Free science fair project idea examining how different types of water affect plant germination and growth.

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.