This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Find out whether packaged seeds actually do expire in this new science fair project idea.

The concept of metamorphosis is fascinating to children of all ages. Help your child's creativity take flight as she makes her very own butterfly life cycle.

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.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This science fair project idea determines which method of hand cleansing is the most effective.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

For a fun family activity to introduce your child to genetics, have your child go on a search for dominant and recessive family genes!

This classic children's game demonstrates how sound travels through air vs. through a solid.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

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

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.