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每上到这一块,我总会提醒自己要放慢点,要讲简单点,对学生的要求要放低点,要多让学生讨论,多让学生上黑板暴露错误,要有打攻坚战的思想准备,可每次上完总感觉还是有许多不足。以下是我的一些教学心得。一、学生碰到的主要困难1.不会画受力分析图。(1)重力不竖直而是斜向下,支持力不垂直接触面。(2)多画力,常把压力画进去,施力和受力分不清。
Each time I go to this one, I always remind myself to slow down, to be simple, to lower the requirements of students, to allow students to discuss more to make students exposed on the blackboard wrong, there must be thinking of fighting tough Preparation, you can always feel there are still many deficiencies. Here are some of my teaching ideas. First, the main difficulties encountered by students 1. Will not draw the force analysis chart. (1) gravity is not vertical but diagonal down, the support force is not vertical contact surface. (2) multi-paint, often stress into it, force and force can not tell.