初中物理学习的一个重要任务,就是在接受知识的同时,培养正确的物理思想,掌握科学研究的方法,控制变量法、理想模型法、等效替代法、推理法、类比法、转换法、图象法等研究物理问题的方法,散见于初中物理课本,由于教材中没有关于方法的系统介绍,所以同学们在遇到此类问题时,会感觉似是而非、无从下手.而这几年中招考试,对这个方面内容的考查呈现逐渐加强的趋 An important task of junior high school physics learning is to acquire the knowledge, train the correct physical ideas, grasp the scientific research methods, control variables, ideal model, equivalent substitution, reasoning, analogy, conversion, graph As the method of studying physical problems such as the method of law, scattered in junior high school physics textbook, because there is no textbook on the method of system introduction, so students in the face of such problems, will feel plausible, unable to start. This aspect of the contents of the examination showed a gradual increase in the trend