The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

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

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 investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

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.

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 determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

Demonstrate how to tell the age of an egg without having to crack it open.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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

In this fun experiment, we'll find out how color affects heat absorption!

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

What happens when colored beams of light mix? You might be surprised.