Gr 3-5--A hands-on approach to the properties and forms of water. Surface tension, absorption, emulsion, saturation, etc., are each addressed on a single page with a brief explanation of the term followed by the outline for an activity to demonstrate the concept. A large, full-color drawing and a description of the expected result accompany each demonstration. In a few instances, however, both the explanation and the activity are too brief and oversimplified to be effective. A short but helpful index is included and, in most cases, difficult words are defined within the text. Both the introduction, which explains the history of the world in a few paragraphs, and a page on water safety at the back of the book, seem unnecessary. Nonetheless, this is an adequate addition for libraries looking for simple science demonstrations.

Todd Morning, Schaumburg Township Public Library, IL

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