凸透镜成像规律的教学是光学知识教学的重点,也是难点。如何突破,帮助学生化解,本文提出通过精心设计实验互动、加强知识练习对比、写口诀强化记忆三点策略予以突破,可以收到实效。 The teaching of convex lens imaging law is the focus of optical knowledge teaching, but also difficult. How to break through and help students to resolve, this paper puts forward that through the well-designed experimental interaction, strengthen the practice of knowledge comparison, write tactics to strengthen the memory of three strategies to break through, you can get results.