中学物理演示实验是中学物理教学中的重要环节。一个好的演示实验,可以帮助学生理解物理教学中的定理、定律和概念,提高学生的学习兴趣。特别是新课程改革不断深入的今天,更应注重演示实验的教学。原人教版教材中部分演示实验存在着演示 High school physics demonstration experiment is an important part of physics teaching. A good demonstration experiment can help students understand the theorems, laws and concepts in physics teaching and improve students’ interest in learning. In particular, the deepening of the reform of the new curriculum today, more emphasis should be placed on experimental teaching. Prototype teaching materials in the demonstration part of the demonstration exists