index, glossary & activities, to volumes 1 to 15, set 2
1993
A master index to the Science in our World series that features activities, experiments, and an explanation of the important terms and new words found in each volume.
Explores the concept of measurement, with an emphasis on the variety of items that are measured and the diefferent types of devices that are capable of measurement.
Explores the way in which fibers are essential materials that everyone meets in their daily life from the hair on our bodies to the paper used for our books.
