This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

This science fair project idea explores substances that cause a bubble to last longer.

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

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This science fair project idea investigates how color affects temperature.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

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

The project investigates how friction affects motion by using different surface textures.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.