不论是新教师还是老教师,开学的第一件事就是看教材,可以说对教材的分析和理解是教师备课的首要环节,也是教师教学能否取得实效的关键.但是通常情况下,教师对这一环节重视程度不够,包括一些工作也有多年的教师,也会认为上物理课,就是学生做做题目,老师改改题目,上课时评讲题目,从而导致课堂教学目标游离不清,精力分散不够集中,教学效果不随人意,有的人教的学生可能考试成绩还可以,但是学生负担压力很大,学生的付出与回报不成比例.因此,引导教师准确 Whether it is a new teacher or an old teacher, the first thing we should do when we start school is to look at the teaching materials. It can be said that the analysis and understanding of the teaching materials is the primary link of teachers ’lesson preparation and the key to whether teachers’ teaching can be effective. However, in general, This part of the emphasis is not enough, including some teachers also have many years of work, will think that physics classes, that is, students do the subject, the teacher to change the subject, class comment topics, resulting in classroom teaching objectives are not clear, not enough energy to disperse Concentration, the teaching effect is not satisfactory, some people teach students may test scores can be, but the student burden is great, students pay and returns disproportionate.Therefore, to guide the teacher accurate