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《摩擦起电》这课中,当学生认识摩擦后的物体能吸引轻小物体后,课文采用“做游戏”来激发学生的兴趣,培养学生的思维能力。 为了让学生在活跃的气氛中不盲目行事,成功地完成游戏活动,我在课堂教学中利用了分组竞赛这种形式。把学生分成几个组,让他们发扬团结协作的精神,利用集体智慧来解决老师提出的问题。首先我问:一块塑料纸你怎样能把它任意地贴到墙上?让各组学生进行抢答,比一比看哪个组想出的点子多。此时学生兴趣高涨,想出了许多方法,有的说用胶水贴,有的说用胶带贴,有的说用水贴……我根据各组的回答情况,用分数作出评价。第一轮比赛
In the course of “friction electrification”, when the students know that the rubbed objects can attract the light and small objects, the text uses “play games” to arouse the interest of students and develop their thinking ability. In order for students to do their homework without blindly acting in an active atmosphere, I used the form of group competition in class teaching. Divide the students into groups so that they will develop the spirit of solidarity and cooperation and use collective wisdom to solve the teacher's questions. First of all, I asked: How can you put a piece of plastic paper on the wall arbitrarily? Let the students in each group make a quick response, comparing more than one group to find out which group came up with more ideas. At this point, students are in high spirits and come up with many ways, some say glue, some say tape, and others say water ... I use the scores of each group to make the assessment. The first round of competition