Grade 4-7-After beginning with an explanation of a microscope's parts and uses, the authors discuss how to focus, making a smear slide, and a few other techniques. Colorful cartoons lighten the tone, and almost every page includes a full-color photo of a slide of a particular substance. These substances are divided into six categories: animal interiors; bacteria; creepy, crawly objects; plants; food; and everyday things. Each activity includes a list of what is needed as well as information about what to do and what happened or what one should see. Also included are "science fair" activities, which are extensions of the microscope activity just performed. For example, after examining "dust bunnies," it is suggested that readers look at dust from various parts of their houses, comparing the number of mites in different samples. Students are encouraged to keep a journal of their findings; an example of a simple layout for a page is included. This book will be useful for beginners as well as for youngsters who have had some experience with a microscope.
Allison Trent Bernstein, Blake Middle School, Medfield, MA
Copyright 1998 Reed Business Information, Inc.

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