一、背景杜威说过:“将一个人的能力和另一个人的能力进行比较,并不是教师的事。这种比较和教师的工作无关。教师所要做的事,是使每一个学生有机会在有意义的活动中使用他自己的力量。”在化学的教学过程中,如果让每个学生机械地根据现成的实验步骤做实验,根本无法使他们最大限度地发挥自己的力量,怎样才能使学生主动发现问题,并能通过实验分析、推理、归纳而获得知识呢?我想,对初学者而言,应从任务 Background Dewey said: “It is not the teacher’s job to compare a person’s ability with that of another person. This comparison has nothing to do with a teacher’s job. The teacher’s job is to make every student have a The opportunity to use his own power for meaningful activity. ”In chemistry teaching, having each student experiment mechanically with off-the-shelf experimental steps can not bring them to their full potential and how In order to make students take the initiative to find problems, and through experimental analysis, reasoning, induction and knowledge? I think, for beginners, should be from the task