教材分析磁现象和磁场是新教材中磁场章节的第一节课,从整个章节的知识安排来看,本节是此章的知识预备阶段,是本章后期学习的基础,是让学生建立学习磁知识兴趣的第一课,也是让学生建立电磁相互联系这一观点很重要的一节课,为以后学习电磁感应等知识提供铺垫。整节课主要侧重要学生对生活中的一些磁现象的了解如我国古代在磁方面所取得的成就、生活中熟悉的地磁场和其他天体的磁场(太阳、月亮等),故本节课首先应通过学生自己 Textbook analysis Magnetic phenomena and magnetic field is the first lesson of the magnetic field chapter of the new textbook. From the knowledge arrangement of the whole chapter, this section is the preparatory stage of knowledge in this chapter. It is the basis of later chapter of this chapter, which is for students to set up learning magnetic The first lesson of interest in knowledge is also a very important lesson for students to establish the concept of electromagnetic interconnection, which paves the way for the future study of electromagnetic induction and other knowledge. The whole class mainly focuses on students’ understanding of some magnetic phenomena in life, such as the ancient achievements made in magnetism, the familiar geomagnetic field and the magnetic field of other celestial bodies (the sun, the moon, etc.), so this lesson first Should pass the students themselves