本文以生活中实际存在的问题及其解决方式为切入点,利用实验构建物理模型,将问题再现,从而引入课堂教学,既能调动学生的积极性,又能培养学生“物理来源于生活,又服务于社会”的意识. In this paper, the actual problems in life and their solutions as a starting point, the use of experimental physics model building to reproduce the problem, and thus the introduction of classroom teaching, not only to mobilize the enthusiasm of students, but also to develop students “physics comes from life, and Serve the community ”consciousness.