Robert Gardner
Light, Sound, and Waves Science Fair Projects, Using the Scientific Method [PDF ebook]

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的封面 Robert Gardner: Light, Sound, and Waves Science Fair Projects, Using the Scientific Method (PDF)

How are sounds produced? Does light travel in a specific path? Are all shadows black? Using easy-to-find materials and the scientific method, readers can learn the answers to these questions and more. If readers are interested in competing in science fairs, this book contains great suggestions and ideas for further experiments.

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语言英语 ● 格式 PDF ● 网页 160 ● ISBN 9780766048980 ● 出版者 Enslow Publishing, LLC ● 发布时间 2010 ● 下载 3 时 ● 货币 EUR ● ID 8663334 ● 复制保护 Adobe DRM

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