前不久,听了一位青年教师执教的《转陀螺》一课。整节课大致可以分为以下几个环节:1.学生自由地玩陀螺,发现并提出问题。2.确定本节课要研究的问题,引导学生作出假设。3.制定实验计划,分组进行实验研究。4.汇报实验结果。课堂上,孩子们畅所欲言。无论是问题的提出,还是对问题作 Not long ago, after listening to a young teacher coaching “spinning top” lesson. The whole class can be divided into the following sections: 1. Students are free to play the top, find and ask questions. 2. Determine the topics to be studied in this lesson to guide students in making assumptions. 3 to develop experimental plan, group experimental study. 4. Report the experimental results. In class, children speak freely. Whether the question is raised or the question is made