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教学基本思路: 《斜面》这一课要通过给学生一组实验材料,让他们自行研究斜面能省力,斜面坡度越平缓越省方等知识,同时培养学生用实验的方法自行研究问题的能力。 小学高年级的自然教学,主要是培养学生分析问题和综合问题的能力;本课分析的是比较实验报告单上搭的斜面与测得的数据之间的关系。然后将分
The basic idea of teaching: “Bevel” This lesson by giving students a set of experimental materials, so that they can study the slope of the self-saving, slopes slope more provincial and other knowledge more easily, while training students to experiment with their own ability to study the problem. The higher grade primary school nature teaching mainly aims to train students' ability to analyze and synthesize problems. This course analyzes the relationship between the slope and the measured data on the experimental report card. Then points