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

This kindergarten science activity will help her explore the changing states of matter which transform an egg from raw to soft to hard-boiled.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

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

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

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

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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

Your child might have noticed how bubbles quickly lose their colors and pop. Check out this creative way to make those bubbles last longer.

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 kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

The purpose of this science fair project is to build a basic radio.

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

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

What happens when colored beams of light mix? You might be surprised.

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

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

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Engineers in training can get started with this simple wheel-and-axle construction activity.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!