新课程标准指出,物理教学必须建立在学生的认知发展水平和已有的知识经验基础之上,通过自主探索和合作交流,理解和掌握基本的物理知识与技能、思想与方法,获得丰富的物理活动经验.在这种理念指导下,初中物理教学应创设一个自主学习 The new curriculum standard points out that physics teaching must be based on the level of cognitive development of students and the existing knowledge and experience, and acquire rich experience through independent exploration and cooperation and exchange, understanding and mastering of basic physical knowledge and skills, ideas and methods Physical activity experience Under the guidance of this concept, junior high school physics teaching should create an autonomous learning