小磁钉对孩子们来说并不陌生。他们每天都用小磁钉把自己的美术作品贴到黑板上。但是在一次活动中我发现,孩子对小磁钉的认识并不像我们想象的那样清楚。一天,在玩室内自选游戏时,有几位小朋友用小磁钉互相吸着玩儿。我问他们:“小磁钉都能干什么呀?”乐乐说:“小磁钉能互相吸 Small magnetic nail is no stranger to children. Every day, they use small magnetic nails to stick their artwork to the blackboard. However, at one event, I found that children’s awareness of small magnetic nail was not as clear as we thought. One day, while playing a game of indoors, there are a few children who play with each other with small magnetic pins. I asked them: “What can a small magnetic nail do?” Lele said: "The small magnetic nail can attract each other