初中物理课堂的有效性的关键在于实施“生本”教育,让学生在课堂上动心、动脑、动口、动手,“动起来”才能使课堂教学的各个教学环节有效.而我们在长期的讲授式教学中,很多教学活动是低效甚至是无效的,究其原因是实际的教学中没有完全转变教学观念,没有真正体会到学生自主学习的重要性,怕浪费时间,怕学生表述不准确,不放心让学生表述,单方面追求教学环节的完整,没有足够的时间让学生在每一个教学环节中都把动心、动脑、动口、动手做到位,故教学中仍放不开手脚, The key to the effectiveness of junior high school physics classroom lies in the implementation of “education”, so that students in the classroom ambition, brains, gestures, hands-on, “move up” in order to make the teaching of all aspects of teaching effective. In long-term teaching, many teaching activities are inefficient and even ineffective. The reason is that the actual teaching did not completely change the teaching concept, did not really understand the importance of independent study, afraid to waste time, afraid of students Expression is not accurate, not assured for students to express, unilaterally pursue the integrity of the teaching links, there is not enough time for students in every teaching link are tempted, brains, mouth, hands-on place, it still can not be taught in teaching Hands and feet,