义务教育阶段的物理教育目的是培养全体学生的科学素养,使学生在科学知识与技能、过程和方法、情感态度与价值观等方面受到全面的教育。物理教师是初中物理课程实施的主体之一,在以自主学习、合作学习与探究学习为主的课堂教学中,物理教师在教学中的职责之一就是:帮助学生设计恰当的学习内容和活动。而要想设计出恰当的学习内容和活动就要求教师能深入了解 The purpose of compulsory education in physical education is to cultivate the scientific literacy of all students so as to enable them to have a comprehensive education on scientific knowledge and skills, process and method, emotional attitude and values. Physics teacher is one of the main subjects of junior middle school physics curriculum. In the classroom teaching mainly based on autonomous learning, cooperative learning and inquiry learning, one of the teachers’ teaching responsibilities is to help students to design appropriate learning content and activities. In order to design the appropriate learning content and activities requires teachers to understand