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.

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.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!