How do organic materials become soil? This science experiment measures what materials biodegrade.

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

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!

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

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

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

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

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.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

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

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

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

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Discover whether cold or hot water from the faucet will boil faster on the stove.

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

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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