Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

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

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

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

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

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.

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

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

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

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

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.

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

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

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

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!

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

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

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

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

An home science experiment for older students that teaches about the science behind heat.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

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

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Try this chemistry experiment with your curious kid and get some "shocking" results!