Gallant, Roy A

Discusses units of measure and examines the merits of the metric system as compared with the English system.

A biography of the nineteenth-century English scientist whose publication The Origin of the Species greatly influenced scientific thinking.

Traces man's endeavors to learn about the heavens, stressing recent discoveries and innovations in astronomy and examining the theory of the expanding universe. Includes many photographs.

Describes the formation of rocks and minerals and tells how to find, collect, and identify them. Includes a chapter on locating and collecting fossils and reading topographic and geologic maps.

A biography of the nineteenth-century English scientist whose publication The Origin of the Species greatly influenced scientific thinking.

A biography of the nineteenth-century English scientist whose publication The Origin of the Species greatly influenced scientific thinking.

Photographs and brief text introduce various parts of the human skeleton and their functional and anatomical similarities to comparable parts in other animals.