通过课前精心的实验设计与准备,加上引入激趣、原理介绍、规范操作、完整记录、科学分析、总结规律等具体科学的课堂演示实验过程,让学生在课堂学习的过程中体验演示实验带来的乐趣,分析实验的物理原理,理解实验所包含的物理规律,并能够做到应用和延伸所学和所掌握的知识,从而达到实现物理课堂演示实验教学的有效性。 Through the elaborate experimental design and preparation before class, coupled with the introduction of specific science lessons of interest, principle introduction, normative operation, complete records, scientific analysis and summary of the law, the experiment process is enabled to allow students to experience the demonstration experiment in the process of class learning Bring the fun, analyze the physical principle of the experiment, understand the physical laws contained in the experiment, and can apply and extend the knowledge gained and acquired, so as to achieve the effectiveness of experiment teaching in the physics classroom demonstration.