教学不仅是一项工作,更是一门艺术,作为教师,在教学中应该学会如何掌握学情,从而做到有的放矢,与此同时,还应该在立足课本的基础上,拓展学生的思维,拓展知识的广度.本文以初中物理课堂教学为例,重点探讨教师如何在课堂中实施“三反馈两拓展”课堂教学模式,从而营造丰富多彩的课堂,提升教学的效果. Teaching is not only a work, but also an art. As a teacher, teaching should learn how to master the learning so that it can be targeted. At the same time, teaching should be based on textbooks to expand students’ thinking and development The breadth of knowledge.In this paper, junior high school physics classroom teaching as an example, focusing on how teachers in the classroom implementation of “three feedback two expansion” classroom teaching mode, so as to create a colorful classroom and enhance the effectiveness of teaching.