Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

Learn with makes water molecules work with this fun and easy science activity!

Explore solids and liquids with your young scientist by making gluep, a goopy substance that can behave like both a solid and a liquid!

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

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

Here's a science experiment that gives your kids a chance to see how fire needs oxygen to burn, with a little math and writing practice thrown in.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

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

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.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

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

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

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.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

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

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.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

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

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.

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.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!