优化初中化学课堂,应从教学环节开始。其中的“导”就是目标导学,“学”就是自主、合作探究学习,“讲”就是精讲点拨、归纳提升,“练”就是精练达标。从这四个教学环节入手,充分体现以教师为主导,学生为主体的基本理念,使教师和学生融为一体,达到有效教学的目的。 Optimize junior high school chemistry class, should start from the teaching link. One of the “guide” is the target guide, “learning ” is the independent, cooperative inquiry learning, “lecture ” is the essence of speaking, induction, “training ” is refined standards. Starting from these four teaching links, we should fully embody the basic idea of ​​taking teachers as the mainstay and students as the mainstay so as to integrate teachers and students so as to achieve effective teaching.