How Leaves Change (Lerner Natural Science Book). This item is unavailable.How Leaves Change (Lerner Natural Science Book)

Describes the structure and purpose of leaves, the ways in which they change as part of the natural cycle of the seasons, and the process that creates their autumn colors.

ea. vol: photogs. by Yuko Sato. 47p. glossary. index. (Natural Science Bks.). CIP. Lerner. 1986. PLB $12.95. Grade 4-7 Colorfully illustrated introductions to their subjectshow leaves change color in autumn and how some insects communicate by producing chirps. The importance of leaves as the food-producing unit of a tree is defined, and the process of photosynthesis is described in the text and in a diagram. The chemical changes brought about in the leaf by cold weather and the resulting color change from green to the autumnal colors of yellow, orange, and red are described. Chirping Insects explains how certain insects produce sounds with their legs or wings to communicate with other members of their species. Although some of the photographs have been used in other books in this series (Dallinger's Grasshoppers Lerner, 1981, for example), they are bright, detailed close-ups of many insects. Neither book has a table of contents, but each contains an index and a helpful glossary/pronunciation guide.Frances E. Millhouser, Arlington County Libraries, Va.
Copyright 1987 Reed Business Information, Inc.