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.

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

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

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

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