课堂教学的过程是教师为学生的学习巧“架桥”的过程。只有积思广益,才能达到最佳效果。积思广益的最好途径就是说课。所谓说课,就是授课教师在备课的基础上,结合有关教育、教学理论,简述自己对一节课或一个单元(章节)或一个知识点,说教材、说教法、说学法、说教学程序。化学说课要通过说教材,说教法,说学法等环节说 The process of classroom teaching is the process of teacher “bridging” for students to learn. Only by brainstorming can we achieve the best results. The best way to multiply benefits is to say class. The so-called lesson, that is, teachers on the basis of lesson preparation, with the relevant education, teaching theory, a brief description of their own class or a unit (chapter) or a point of knowledge, teaching materials, preaching, learning theory, teaching program. Chemistry lesson to say that through teaching materials, preaching, learning and other aspects of the law said