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.

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.

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

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.