浅谈物理演示实验银川电力学校李慕荣物理教学中的演示实验，是最直观的教学手段，它对于传授物理基础知识，培养学生的观察能力和思维能力都有不可忽视的作用。要使演示实验在教学中发挥好上述作用，我认为教师需对以下三个方面进行深入研究。一、目的性。在教学过程中，... The Physical Demonstration Experiment Demonstration experiment in Physics Teaching in Li Churong, Yinchuan Electric Power School, is the most intuitive teaching method. It plays a non-negligible role in imparting physical basic knowledge and cultivating students’ observation ability and thinking ability. To make the demonstration experiment play a good role in teaching, I think teachers need to conduct in-depth research on the following three aspects. I. Purpose. During the teaching process,...