This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

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

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

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

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Find out whether packaged seeds actually do expire in this new science fair project idea.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This science fair project idea determines which method of hand cleansing is the most effective.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

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

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

This classic children's game demonstrates how sound travels through air vs. through a solid.

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.

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

Research and understand basic computer science. Build a simple computer, following instructions found online. Design a new or improved feature.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

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.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

This science fair project idea examines eye color genetics and the role it plays in eye color inheritance.

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