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教学分析学生在前一课研究了《生活中的好帮手》,认识了一些常见的简单机械,而且知道使用工具能带来方便,但没有具体接触某种简单机械。学生对生活中的好帮手的作用建立了更多的感性认识。
Teaching Analysis Students studied “Good Helpers in Life” in the previous lesson, got acquainted with some common simple machines, and knew that using the tools provided convenience without some contact with a simple machine. Students have established more perceptual awareness of the role of a good helper in life.