在一次初中物理教学观摩课上:主讲老师引领学生探究凸透镜成像的规律。学生进行实验时,既没有列出表格,也没有记录实验数据,某组学生向全班汇报探究情况时,只陈述了例如“在成实像的情况下,物距增大像距就会缩小”的结果,教师不仅对此默认,而且给予称赞。学生不记录数据、不比较数据,而是由操作直接得到实验结果,实际上是把“进行实验”和“分析论证”两个环节混在一起,混淆了“证据”和“结论”的区别。 In a junior high school physics teaching observation class: the teacher led the students to explore the law of convex lens imaging. When a student conducts an experiment, neither the form is listed nor is the experimental data recorded. When a group of students reports the inquiry to the class, they only state that “for example, in the case of a real image, the distance between objects increases and the image distance decreases ”, Teachers not only default on this, but also give praise. Students do not record the data, do not compare the data, but the result of the experiment is obtained directly by the operation. In fact, it mixes the two aspects of “experimenting” and “analyzing and arguing” and confuses “evidence” and “ The difference between ”conclusion".