有效的教学可以全面提高教学质量,促进学生的全面发展。反观现实的课堂教学,经常会看到种种“低效”现象,这不仅是教师个人教学素质和教学理念急需提高的问题,更为严重的是影响了学生对物理知识的掌握、技能的形成,还有可能使学生学习物理的兴趣降低、自信心丧失。本文结合笔者在教研实践中所收集 Effective teaching can improve the overall quality of teaching and promote students’ all-round development. In contrast, in reality classroom teaching, we often see various “inefficient” phenomena. This is not only an issue that teachers’ individual teaching quality and teaching philosophy need to improve, but also affects students’ mastery of physics knowledge and skills. Formation may also reduce students’ interest in learning physics and loss of self-confidence. This article is combined with the author’s collection in teaching and research practice.