Gr 3-5—This lively look at marine ecology and biology and the effects humans can (and do) have on the world's ocean will have broad appeal. A chatty text introduces readers to an ocean in jeopardy and goes on to present a baker's dozen of marine experiments. From trying to eat a pretzel-stick/cream cheese "sea urchin" otter style (without getting stuck) to colorful "layer-caking" ocean zones, the activities offer a recipe for ingredients, step-by-step procedures, a question as to what the results seem to divulge, and a "What's Going On?" explanation. Illustrations include colorful art, photos, and diagrams. The book closes with a look at the future of our liquid life-support system. Approachable and useful.—Patricia Manning, formerly at Eastchester Public Library, NY
Simple activities are used to demonstrate scientific principles related to the ocean and its inhabitants. Some reliably illustrate important concepts, while others contribute little. Accompanying the activities is information about threats to marine and global environmental health, as well as steps readers can take to play a role in conservation. Cartoonlike illustrations, diagrams, and photographs aid comprehension of the science. Ind.
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