演示实验是物理教学中很重要的环节。所谓演示实验,是指把物理现象直观地向学生展示的过程。除了通常用物理仪器和实物进行实验演示之外,还包括教师出示的模型、实物;用投影教具、模拟教具进行的操作演示:放映物理录像片、电影片、幻灯片等声像教学以及利用微机进行的模拟实验等,主要目的和任务是使学生在获得生动的感性认识基础上,更好地理解、掌握物理概念和规律,培养观察、分析及逻辑思维能力。 Demonstration experiment is a very important part in physics teaching. The so-called demonstration experiment, refers to the physical phenomenon intuitive to students show process. In addition to experimenting with physical instruments and in-kind experiments, models and in-kind presentations by teachers are presented. Operational demonstrations with projection aids and simulation aids Demonstration of audiovisual teaching of physical videos, films, slides and the like The main purpose and task is to enable students to gain a vivid understanding of the basis of understanding and master the concept of physics and law, training, observation, analysis and logical thinking ability.