There’s science behind everything. From testing how effective sunblock is to finding out how skin cream works to learning what chemicals are in aspirin besides pain relievers, these unique experiments use items you already have around the house. Investigate your world while you conduct a prize-winning science fair project!
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语言 英语 ● 格式 PDF ● 网页 128 ● ISBN 9780766070219 ● 出版者 Enslow Publishing, LLC ● 发布时间 2015 ● 下载 3 时 ● 货币 EUR ● ID 6436267 ● 复制保护 Adobe DRM
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