学生分组实验是小学自然教学的重头戏,影响大,学生最感兴趣。而目前在组织学生实验方面存在着两种不同的方法:一种叫做“开放式”,实验伊始,材料发下,让学生自己去做,学生劲头十足“玩”实验,表面上轰轰烈烈,实验后一查,学生往往对实验原理、结论茫然不知,有的甚至连名称也讲不出,但讲玩的过程却眉飞色舞,头头是道;另一种是将每组学生分号,按号行动,严格服从指导,亦步亦趋,秩序井然,教师教得挺费力,学生脑子却动不起来,课上得死气沉沉。从总体看,以上两种情况 Student group experiment is the highlight of primary school teaching of nature, the impact of the students most interested. At present, there are two different ways of organizing student experiments: one is called “open type”. At the beginning of the experiment, the materials are sent out for the students themselves to do. The students are full of “play” experiments. On the surface, they are vigorous. After the experiment A check, the students are often on the experimental principle, the conclusion at a loss I do not know, and some even can not tell the name, but the process of talking about but exultant, the first is the road; the other is to each group of students semicolon, by number action, strictly obey Guidance, follow the trend, orderly, teachers teach very hard, the students can not move their minds, the class was dead. Overall, the above two situations