控制变量法连年出现在各类考卷中,学生在解答这类题目经常失分严重,巧用中考试题,通过反思中考实验探究题其本质,对中考试题进行破坏与重塑、变式与拓展,构建控制变量法知识网络,从而构造初中物理高效复习课堂。 Control variable method appears year after year in all kinds of test papers, students often lose weight in solving such problems serious, clever use of the examination questions, by examining the nature of the examination questions in the test, the examination questions on the destruction and remodeling, variant and expansion, Constructing the Knowledge Network of Controlled Variables Law to Construct a High School Physics Effective Reviewing Class.