Jean F Blashfield
41) Calcium
Author
Series
Language
English
Description
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.
43) Sodium
Author
Series
Language
English
Description
Discusses the origin, discovery, special characteristics, and uses of the sixth most abundant element in the Earth's crust.
54) Oxygen
Author
Series
Language
English
Description
Presents the basic concepts of oxygen, the most important chemical element in our lives and also the most abundant element in nature.
55) Nitrogen
Author
Series
Language
English
Description
Discusses the origin, discovery, special characteristics, and use of nitrogen in such products as explosives and fertilizers.
56) Carbon
Author
Series
Language
English
Description
Presents the basic concepts of carbon, one of the most important chemical elements found in all living things.