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

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غلاف 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.

€49.93

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لغة الإنجليزية ● شكل PDF ● صفحات 160 ● ISBN 9780766048980 ● الناشر Enslow Publishing, LLC ● نشرت 2010 ● للتحميل 3 مرات ● دقة EUR ● هوية شخصية 8663334 ● حماية النسخ Adobe DRM

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