Do your readers wait until the last minute to start their science project? Don’t worry, award-winning author Robert Gardner has everyone covered. Each experiment in this book follows the scientific method, and can be completed in an hour or less. Readers explore using levers to control motion and lift, and how the steepness of inclined planes affects the force needed to move something. Most experiments also include ideas for science fair projects, in case readers have more time than they originally thought.
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语言 英语 ● 格式 PDF ● 网页 48 ● ISBN 9780766044272 ● 出版者 Enslow Publishing, LLC ● 发布时间 2012 ● 下载 3 时 ● 货币 EUR ● ID 8663135 ● 复制保护 Adobe DRM
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