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

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

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

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

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.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

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.

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!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

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.