在一次物理教学大赛中,来自全国的优秀教师进行了同课异构的展示,笔者对本次活动获得一等奖的课例进行了研究,力图从中探寻优质课的成功因素,虽然是管中窥豹,但仍期望能够给广大青年教师以启迪。成功因素之一:有技巧。“下雨”之前巧“布云”——对课堂引入的设计与使用课题引入环节是整个课堂教学的有机组成部分,其重要性不言而喻。根据皮亚杰的认知发展阶段理论,初中学生大部分还处于具体运算阶段,思维还离 In a physics teaching contest, outstanding teachers from all over the country conducted a heterogeneous display of the same lesson. The author studied the lessons that won the first prize in this activity and tried to explore the success factors of the high-quality lesson. Although it is a case in point, However, they still expect to inspire young teachers. One of the success factors: a skill. “Before the rain ” before the clever “cloth cloud ” - Introduction to the classroom design and use of the introduction of the topic is an integral part of classroom teaching, its importance is self-evident. According to Piaget’s theory of the stage of cognitive development, most of the junior high school students are still in specific computing stages, thinking away