凯洛夫院士主编的教育学中写到:“叙述教材时,教师应用黑板上的图画值得特别注意.应用教学图画,是一种在学校教学中值得广泛采用的演示”.可是目前在我国中学物理教学中,在黑板上作图(板画)还没有充分发挥它在教学过程中应起的作用.学生在作习题或进行书面测验时,往往发问: In the pedagogy edited by Academician Kelov, it is written that: “When narrative materials are used, teachers’ drawings on the blackboard deserve special attention. The application of teaching drawings is a demonstration that is worthy of widespread adoption in school teaching.” In China’s middle school physics teaching, drawing on the blackboard (plate painting) has not fully exerted its role in the teaching process. When students are doing exercises or writing tests, they often ask: