目前,自主、探究已成为小学科学教学中的两面大旗,小学科学课堂教学由此刮起了狂热的“活动教学”之风。当我们进行认真分析和研究之后,就会感到这些活动存在“致命”的缺陷——思维含量不足,在热闹的活动结束后,学生在知识和能力上并没有得到真正意义上的提升。那么,如何在动手过程中发展学生思维能力呢? At present, self-determination and inquisition have become the two major banners of science teaching in elementary schools. Therefore, the teaching of primary science classrooms has brought the feverish teaching style of activity. When we conduct careful analysis and research, we feel that these activities have the flaw of “fatalities” - lack of thinking content. After the lively activities, students have not really gained the knowledge and ability to upgrade. So, how to develop students’ thinking skills in the hands-on process?