在新课程背景下,教育教学行为的变化主要是通过课堂这一必不可缺的场所来体现的。因此,反思过去对课堂的认识,对课堂进行重新思考,准确定位,使课堂能够充分体现新课程改革的理念,是每一个有志投身于课程改革的教育实践工作者的重要职责。作为一名物理教师,结合自己多年的工作体 In the context of the new curriculum, the changes in education and teaching behavior are mainly reflected through classrooms, which are indispensable places. Therefore, rethinking the past knowledge of the classroom, rethinking the classroom, and accurately positioning it so that the classroom can fully reflect the concept of the new curriculum reform is an important duty for every educational practitioner who is interested in pursuing curriculum reform. As a physics teacher, combining his own years of work