初中物理序言课的教学目的主要是让学生知道物理是一门有趣而有用的学科 ,并且懂得观察、实验是获取物理知识的主要手段 ,是物理学发展的基础。而要实现这个目的 ,就是要使学生从一开始就爱上物理 ,激发起他们的学习兴趣、情感和意志。序言课的教学可分四个层次进行。一、物理 The purpose of teaching junior high school physics is to let students know that physics is an interesting and useful discipline, and to understand that observation and experimentation are the main means of acquiring physical knowledge and are the basis for the development of physics. To achieve this goal, we must enable students to fall in love with physics from the very beginning and stimulate their interest in learning, emotion and will. The teaching of the preambular class can be conducted in four levels. First, physics