本刊 2 0 0 1年第 6期《一场有意义的争论》一文 ,谈了某校两物理课外小组的学生们的一场争论和实验 ,对中间充水的两块玻璃板难以分开的现象作了探讨 .这一活动激发了学生的探索热情 ,极大地调动了学生的积极性和主动性 ,值得提倡 ,但问题的结论似乎还不够清楚 ,有必要作进一 In the article “A Meaningful Debate” in the 6th issue of China in 2001, we discussed the arguments and experiments of students in two groups of physics outside a school. It was difficult to separate the two glass plates filled with water. The phenomenon was explored. This activity stimulated students’ enthusiasm for exploration and greatly mobilized the enthusiasm and initiative of students. It was worth advocating, but the conclusion of the problem did not seem clear enough, and it was necessary to make a