In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

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

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

Learn how to make a cape for your little superhero, vampire, or Elvis impersonator. See how to make a cape with this simple tutorial.

Cleaning can be a chore, but not with this sudsy experiment!

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

This holiday season, don't forget the many delights of "cookie science"! Here's a confection we especially like.

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.

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!

Celebrate Earth Day by making a poster that encourages people not to litter.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

Here's an activity that lets your third grader, fourth grader, or fifth grader bring the warmth and light of lanterns into your home by making his own.

Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

Learn about the architecture of Asia by building your very own model of a pagoda!

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

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?

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

There's no better way to show mom you love her than with the tried and true breakfast in bed routine. Make whole wheat waffles along with a vase just for mom.