学源于思,思源于疑“。思”乃探索知识的起步“,疑”为发出问题的前提。提不出问题,或者提不出好问题,以致缺乏解决问题的能力,都是中学生物理学习中常遇见的困难。物理概念有着抽象性、客观性、发展性和可操作性等特点“,格物之功只能在身心做”,教师在概念教学中适时创设问题 Learning originated from thinking, thinking originated from doubt. “Thinking” is to explore the knowledge of the “suspect” as a prerequisite for the issue. If we can not ask questions or ask good questions, the lack of ability to solve problems is a common problem encountered by middle school students in their physics study. The concept of physics has the characteristics of abstractness, objectivity, development and maneuverability. "The power of the matter can only be done in mind and body. Teachers create problems timely in the concept teaching