This list of elements is missing mega-information: a combination of category, name, number, or symbol. Can you fix them up?

To understand electricity, you have to get down to the basics. Explore the literally microscopic world of electrons to get a grasp on electricity.

Learn the language of chemistry by reading and writing chemical equations in this middle-grade worksheet! 

Learn some basic chemistry with this worksheet about the universal solvent: water. Find out why water is called the universal solvent.