Text and illustrations present the fundamentals of chemistry, including such topics as atomic bonds, catalysts, chemical reactions, and various elements.
A visual reference guide to rocks and minerals, explaining what they are, how they are formed, why there are so many varieties, and how to recognize them. Includes over two hundred photographs and illustrations, and instructions for twenty-eight related experiments.
Describes dangerous and destructive weather conditions around the world, such as thunderstorms, tornadoes, hurricanes, lightning, hail, and drought with photographs, historical background, and legends.
Introduces the concept of sound by answering questions the reader may have about loud and quiet things; provides activities which illustrate the concepts.
Provides brief accounts of over one thousand inventions that have had a significant impact on the world, arranged chronologically from prehistoric times to 2008.
