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 teaches students about wilting and browning of salad greens.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Using a toy race car kids create a visual model of the Doppler Effect.

Do different types of oil mix or stack? Find out in this science fair project idea!

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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

This science fair project idea investigates how the shape of an object affects drag.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

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

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

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

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

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.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

This science fair project idea demonstrates that plants give off water.

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