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《认识矿物的性质》和《日益减少的矿物资源》是苏教版小学科学五年级下册“岩石与矿物”单元的第二课和第三课,这两课的教学主要有以下四个部分的内容:1.了解一些常见矿物的性质和用途;2.认识人类开采矿物资源活动的长期性,导致矿物资源日益枯竭;3.知道矿物资源具有不可再生性,懂得保护矿物资源的重要意义;4.调查并积极参与力所能及的
“Understanding the Nature of Minerals” and “Declining Mineral Resources” are the second and third lessons of the second volume of Science Year 5 in the lower primary school of the Sujiao version of “Rock and Minerals”. The teaching of these two courses mainly includes the following four Part of the content: 1. To understand the nature and use of some common minerals; 2. Recognize the long-term nature of human exploitation of mineral resources, leading to depletion of mineral resources; 3. Know that mineral resources are not renewable, understand the importance of protecting mineral resources Significance; 4. Investigate and actively participate in the best of