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初中科学课程教学的主要目的就是帮助初中学生有效地理解科学知识,提高学生对科学知识的兴趣和探究能力。为了有效达到科学教学的效果,就必须运用合理的方法进行教学。其中控制变量法是应用最为广泛的一种方法。然而,就目前而言,控制变量法在初中科学课程教学之中,取得的效果却不尽如人意,这主要是因为教师不能合理运用控制变量法的教学方法,以及学生对于控制变量法的基础概念和关键意义理解得不到位。本文对控制变量法的基础概念和关键意义展开分析,提出了控制变量法教学方法的创新途径。
The main purpose of junior high school science curriculum teaching is to help junior high school students effectively understand scientific knowledge and improve students’ interest in scientific knowledge and exploration capabilities. In order to effectively achieve the effect of science teaching, it is necessary to use reasonable methods for teaching. The control variable method is one of the most widely used methods. However, for the time being, the effect of the control variable method in the teaching of junior high school science courses is not satisfactory. This is mainly due to the teachers’ inability to rationally use the teaching methods of the control variable method and the students’ basis for the control variable method. Concepts and key meanings are not well understood. This article analyzes the basic concepts and key significance of the control variable method, and proposes an innovative approach to teaching methods of the control variable method.