TECHNOLOGY
Fisher, Valorie

Now You Know How It Works

(4) K-3 Eye-catching pages shed light on twenty-two everyday objects (flashlight, whistle, pencil, etc.) by identifying what they're made of, their parts, and how they work. Labeled photographs and diagrams are visually appealing if occasionally misleading (a rubber ball shown dropping straight down should then bounce straight up). Some items' mechanics are complex, but the engaging explanations will hold young scientists' attention. Glos.

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