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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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 does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

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.

Satisfy your sweet tooth with this easy summer activity! Make homemade ice cream and let your child practice his science skills.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

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.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

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

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

I scream, you scream, we all scream for homemade spearmint ice cream!

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

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

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

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

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.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

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

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

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

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

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