苏联教育学家赞科夫说过:“不管你花费多少力气给学生解释知识的意义,如果教学安排得不能激起学生对知识的渴求,那么这些解释仍将落空.”现代教学论也认为:“良好的教学,乃在于唤起意外与惊讶的感觉.”可见,勾起学生探索物理的兴趣和学习欲望是至关重要的.而要做到这一点就需要精心设计有利于学生认知教学切入点,力求新颖,有趣,独特,贴近学生的生活.说到底,就是要开创“震撼”的课堂. Zankov, a Soviet educator, said: “No matter how much effort you spend explaining the meaning of knowledge to students, these explanations will still be out of order if the teaching is not designed to arouse students' desire for knowledge.” “ Think: ”Good teaching, is to arouse the feeling of surprise and surprise. “ It can be seen, provoking students to explore the physical interest and desire to learn is crucial, but to do this you need to carefully designed to help students The starting point of cognitive teaching, strive to be novel, interesting, unique, close to the student's life.After all, is to create ”shock " class.