当前,科学教学中一个突出问题是:传授性或接受性课程占据了太多的分量,学生缺少时间、空间自已动手操作,在实践中运用已有知识经验亲历科学探究过程,导致了在科学课堂中培养学生团结协作精神、创新能力和分析问题、解决问题能力成为一句空话。为此,教师在科学教学过程中 At present, a prominent problem in science teaching is that the teaching of acceptability or acceptability takes up too much weight. Students lack the time and space to start their own hands-on operation. In practice, they use the existing knowledge to experience the scientific inquiry process, In training students in unity and cooperation, innovation and analysis of the problem, the ability to solve problems has become an empty talk. To this end, teachers in science teaching process