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一、一则物理教学反思的案例一位物理老师在进行“杠杆”教学时曾陷入意料之外的窘境[1]:期中考试前在初三(4)班上“简单机械”这一节课时,我通过设置问题:要拔出一颗钉在木板上的钉子,看哪位同学用时最少(提供老虎钳、羊角锤、螺丝刀等工具)。在
First, a case of physical teaching to reflect A physics teacher in the “Leverage” teaching had been caught in unexpected dilemmas [1]: before the midterm exam in the third grade (4) class “simple machinery” During this class, I set the question by pulling out a nail on a wooden board to see which of my classmates took the least amount of time (tools such as pliers, claw hammers, screwdrivers, etc.). in