This science fair project idea investigates how color affects temperature.

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.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

This science fair project idea explores whether white light can be separated into different colors.

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

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

How powerful is the reaction between baking soda and vinegar? Find out here!

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

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!

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

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.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

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

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

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

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.