The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

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.

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

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!

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!

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

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.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

In this project children practice the scientific method while playing with puffy paint.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

This science fair project idea investigates how the shape of an object affects drag.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

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

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 about mold. Students will test different foods to see which grow mold the fastest.

This science experiment has students test whether a snail moves faster on concrete or dirt.

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

The objective of this science project is to determine the length of time for different seeds to germinate.