Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This science fair project idea researches the effects of acid rain on plant growth.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Take a dive into the candy jar with this yummy science experiment.

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Is it a square or a circle? See if you can trick your friends with this zany science project!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

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

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

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

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!

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

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.