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 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.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Here's a pressed leaf card project that puts science and writing together for your second grader.

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.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

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.