摘要
声学实验和摩擦起电实验是中师物理教学中两个比较重要的演示实验 .针对现行教材存在的不足 ,引用现代技术对这两个实验进行了较为深入的分析并进行了改进 .教学实践证明 。
Acoustical experiment and the experiment of electricity produced by friction are two important experiments in the physics lesson in teachers schools. Modern techniques are applied to analyze and improve the experiments of the deficiency of the present textbooks. It is proved that the result is satisfactory.
