在一节科学课上,我和学生在一起探究分离混合物的方法。实验器具准备不足,学生却随手取材、迎难而上,给了我一个又一个惊喜。 这节课主要研 究米粒和面粉。的分离方法。课前我布置了可能用到的材料。考虑到可能用到筛子。可是没有几个人带来,课堂上只听见轻声的叹息和埋怨 。一 In a science class, I worked with students to explore ways to separate the mixture. The lack of preparation for experimental apparatus, students readily available, facing difficulties, gave me one after another surprise. This lesson focuses on rice grains and flour. The separation method. Before class, I arranged materials that I might use. Consider the possibility of using a sieve. However, few people brought it, and only soft sighs and complaints were heard in the classroom. one