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

In this science fair project, young children discover what happens when two fluids that have different densities get together.

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

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

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.

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!

Did you ever think you could make colors disappear right before your eyes? This science experiment is just like a magic trick: now you see it, now you don't!

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

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

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

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

What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.

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 is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

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

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

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!