静电学三个概念的教学分析与探讨江苏省兴化中学范明教师在引入“电势差”、“电势”、“电势能”这三个概念时的方法各不相同，归纳起来有两个原因：一是沿袭老教材的处理方法；二是对这三个概念的教学认识不同．本文从新旧教材对比的角度来探讨这个问题．一、新旧教材结... The teaching analysis and discussion of the three concepts of electrostatics The methods used by Fan Ming of Xinghua Middle School in Jiangsu province when introducing the three concepts of “potential difference”, “potential” and “potential energy” are different, and they are summed up for two reasons: One is to follow the old teaching materials; the other is to understand the teaching of these three concepts. This article discusses this issue from the perspective of comparison between old and new textbooks. First, the old and new textbooks knot...