素质教育一直致力于倡导还学生在课堂中的主体地位,用教师的智慧与师爱建构一个以学生为课堂主体的生本课堂,让学生充分主动地参与到课堂活动中,通过主动地提升学生参与课堂的思维性,以此促使学生在课堂中的学习效率.而实验是初中物理学习的主要研究手段,无论是演示实验还是分组实验,实验的过程、细节、成败都会影响教学的效果.而最近的几次教研活动中,笔者坐在最后一排听课时,看到执教教师的演示实验总有一些不顺畅,对此结合自己以往的教学经验和反 Quality education has been committed to advocating students also in the classroom the dominant position, with the teacher’s wisdom and teacher love to build a students as the main body of the classroom students, students fully participate in the initiative to participate in classroom activities, through the initiative to enhance students Participate in the thinking of the classroom, in order to promote students’ learning efficiency in the classroom.Experiment is the main research method of junior high school physics study, whether it is demonstration experiment or group experiment, the experiment process, details, success or failure will affect the teaching effect. Several recent teaching and research activities, the author sat in the last row of lectures, see the coaching teachers demonstrate some experiments are not smooth, this combination of their past teaching experience and anti