为了使授课时达到高度的直观性,使学生能逐步的从感性认识进入理性认识;因此在演示实验和学生实验,一定要作到:现象清楚,手续简单,结果正确,才不致中途失败而影响计划教学。现在把我们在实验中摸索获得的一些小经验,拉杂的搜集起来,请同志们批评指导。一、电解水 In order to achieve a high degree of intuition during the course of instruction, students should be able to progressively move from perceptual knowledge to rational understanding. Therefore, demonstrations and student experiments must be done with clear phenomena, simple formalities and accurate results so as not to be affected by halfway failures Plan to teach. Now, let us groping for some small experience gained in our experiments and gathering them together. Please comrades criticize the guidance. First, electrolytic water