拓展教学能够对课堂教学起到补充的作用,在初中化学的学习过程中进行拓展教学,有利于学生的综合发展,本文主要介绍了拓展教学的主要原则以及开展拓展教学的方法。 Expansion of teaching can play a supplementary role in classroom teaching, junior high school chemistry in the process of learning to expand teaching, is conducive to the comprehensive development of students, this paper introduces the main principles to expand teaching and expand the teaching methods.