Ideas introduced in this book discuss gravity, friction, electrical charges and more. This book is filled with projects that use toys as the basis for experiments, including party balloons, balls used in various sports, skis, sleds, toboggans, and a variety of other games and toys that adults enjoy, too.
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语言 英语 ● 格式 PDF ● 网页 128 ● ISBN 9780766057616 ● 出版者 Enslow Publishing, LLC ● 发布时间 2013 ● 下载 3 时 ● 货币 EUR ● ID 8663567 ● 复制保护 Adobe DRM
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