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?

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

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

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

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

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!

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!

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 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.

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.

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.

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

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

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

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

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.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Determine if gender affects the ability to identify different smells.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

This science experiment has students test whether a snail moves faster on concrete or dirt.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

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

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.