新课程改革提倡学生参入学习过程,进行讨论式学习、探究式学习、自主性学习……这些学习活动实质上是思维的活动,离开了思维,任何能力的发展和形成都是妄言。而发现问题、提出问题是思维的起点,更是思维的动力。问题是思维的起因和动力,它能激发学生生成认知冲突,使学生的求知欲望由潜伏状态转入活跃状态,从而将学生学习的主动性、积极性充分调动起来。因此,在课堂教学中,教师应在把握好中学生心理状态的基础上,依据化学学 The new curriculum reform encourages students to participate in the learning process, to discuss learning, inquiry learning, autonomous learning ... These learning activities are essentially thinking activities, leaving the thinking, the development and formation of any ability is a rhetoric. And found the problem, put forward the question is the starting point of thinking, but also the driving force of thinking. The problem is the origin and motivation of thinking. It can stimulate students to generate cognitive conflicts and make the students ’curiosity desire go from latent state to active state, so as to fully mobilize students’ initiative and enthusiasm. Therefore, in classroom teaching, teachers should grasp the psychological state of secondary school students, based on chemistry