This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

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!

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

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

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.