Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Do you think heat can affect a plant's growth rate?

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

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This science fair project idea investigates the difference in reaction times between boys and girls.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

Help your child make a beautiful homemade sandcastle that will last!

This science fair project idea explores whether talking to a plant will help it grow.

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

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

This science fair project idea determines what household items are good conductors of electricity.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Is your child a young ornithologist in the making?

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

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.