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

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.

Discover if soda geysers will erupt when using regular vs. diet cola and which candies will create eruptions.

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

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

Is your child a young ornithologist in the making?

Examine the impact of insecticides on plant growth.

Explore which teeth-whitening products work best - Whitestrips or Whitetrays.

Find out whether packaged seeds actually do expire in this new science fair project idea.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

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

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Do this activity to help your kids see how seeds contain "baby" versions of big plant stems, roots, and leaves.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

Make this easy composting dessert and then enjoy the yummy results!

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

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!