初中阶段的学生,在学习物理方面还没有比较强的逻辑性、推理性,对知识的理解主要处在知识的表层意思.他们在学习物理时,主要是通过生活中的现象、生活经验、以及课堂上的实验来理解、掌握物理知识和方法,所以,物理实验在初中生学习物理的过程中占有举足轻重的作用,对学生贴近生活、注重学生的能力都有比较好的效果.本人在2011年底有幸参加了南通市初中物理优课评比活动,在聆听了部分教师 Junior high school students in the study of physics has not been relatively strong logic, reasoning, the understanding of knowledge is mainly in the superficial meaning of knowledge, they are learning physics, mainly through the phenomenon of life, life experience, and Therefore, the experiment of physics plays a decisive role in the process of learning physics in junior high school students, and has a good effect on students’ close life and student’s ability. In the end of 2011, Fortunate enough to participate in Nantong junior high school physical excellent competitions, listening to some teachers