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磁铁南北指向性质的认识陈言人南昌市郊区教研室小学自然第六册第三课《磁铁》中，关于磁铁南北指向性质，有不少学生会产生错误的认识。认为磁铁不一定具备南北指向的性质。有一学生当我的面．把一条形磁铁在讲桌上一放，问我是不是南北指向。就这个问题，谈谈我的认识。...
Understanding the nature of magnet pointing north and south Chen Yanren Nanchang Suburban Teaching Elementary School Natural Lesson 6 Lesson 3 Magnets There are many students who have misunderstandings about the north-south nature of magnets. It is believed that the magnet does not necessarily have a north-south orientation. There is a student who is my face. Put a magnet on the desk and ask if I point north or south. On this issue, talk about my understanding. ...