How does our world work? Our actions can impact the environment in ways we may not have considered. Author Robert Gardner’s informative text is paired with hands-on science projects using the scientific method that show readers how their actions effect the environment and its natural cycles. Many experiments are followed by ideas for science fair projects.
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语言 英语 ● 格式 PDF ● 网页 112 ● ISBN 9780766054523 ● 出版者 Enslow Publishing, LLC ● 发布时间 2011 ● 下载 3 时 ● 货币 EUR ● ID 8663435 ● 复制保护 Adobe DRM
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