Jean F Blashfield

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

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 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.