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

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!

Can you win a staring contest? Would your performance be influenced by your eyesight? Find out in this science fair project idea!

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

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

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

This preschool activity uses paint chips to help your child learn about different shades of colors and how to find different colors in nature.

What's the difference between centripetal and centrifugal force? Students find out by seeing both in action as they conduct this experiment.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

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

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

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

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.

Here's a fun activity that will have your child teaching you for once, while you find out exactly what she is learning in school.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Look at people's face shape. Do you think their face shape affects your perception of kindness? Find out more 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!

Will people still feel hungry once they eliminate grains from their meal? Find out in this science fair project idea!

Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.