Sparks of life

Discusses the origin, discovery, special characteristics, and uses of the sixth most abundant element in the Earth's crust.

Discusses the origin, discovery, special characteristics, and use of nitrogen in such products as explosives and fertilizers.

Presents the basic concepts of carbon, one of the most important chemical elements found in all living things.

Presents the basic concepts of oxygen, the most important chemical element in our lives and also the most abundant element in nature.

Presents the basic concepts of this metallic element which is found in the stone used to make buildings and streets and which is an important mineral needed by the body.

Presents the basic concepts of this central element of the universe.

Explains what the chemical element magnesium is, and its importance to humans.

Defines trace elements and discusses how they affect life on the planet.

Explains what the chemical element chlorine is, and discusses its importance to humans.

Describes the chemical make-up of sulfur, where it is found, and its uses; also includes a periodic table, a glossary, and a bibliography.