Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

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.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

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!

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.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

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!

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.

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.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

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

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.

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

Give your budding young observers a chance to discover simple machines at use in their own home.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!

How powerful is the reaction between baking soda and vinegar? Find out here!

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

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?

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

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

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.