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.

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

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

The objective of this science project is to determine the length of time for different seeds to germinate.

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.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

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.

The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

This science fair project investigates why the number of visible stars changes from place to place.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.