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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Język Angielski ● Format PDF ● Strony 160 ● ISBN 9780766048980 ● Wydawca Enslow Publishing, LLC ● Opublikowany 2010 ● Do pobrania 3 czasy ● Waluta EUR ● ID 8663334 ● Ochrona przed kopiowaniem Adobe DRM
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