Eye-catching gold has been valuable to people throughout history. This thoughtful text addresses why that is. Gold’s qualities as a metal is explored as well as the mining and refining process, all key concepts in the elementary science curriculum. Gold’s many uses, including in medicine and space technology, is also examined. Glittery photographs and a graphic organizer accompany the text in this look at a fascinating metal.
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语言 英语 ● 格式 PDF ● 网页 24 ● ISBN 9781482405026 ● 出版者 Gareth Stevens Publishing LLLP ● 发布时间 2013 ● 下载 3 时 ● 货币 EUR ● ID 8670935 ● 复制保护 Adobe DRM
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