In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Test your friends to find out if you can replicate the placebo effect's incredible results.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

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

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

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

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

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

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

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

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.

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.

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

This science fair project teaches students the differences between fruits and vegetables.

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.

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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 fair project teaches students about wilting and browning of salad greens.

Plants and light seem to be good buddies, but how far does the friendship really go?

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.