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

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

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 science fair project, students use the streak test to tell minerals apart from each other.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

This science fair project idea investigates which objects float and sink in honey, water, and oil.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

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

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.

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.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

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.