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

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

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

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

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!

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

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.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Discover whether a metal will expand under hot water.

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

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

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