新课改后,教育部对高中各学科教学提出了更高的要求,不仅要求提高各学科的教学质量,而且要推行素质教育,全面提高学生学科能力。化学之类的理科,对学生的逻辑思维能力要求较高,课堂内容较为抽象,因此,做好课堂导入工作,对提高化学课堂教学质量有着不可忽视的作用。课堂导入有很多种,诸如图像式导入、情景式导入等,教师可以根据学科特点进行选择。而化学作为一门建立在实验上的学科,实验就是其一大特点,在高中化学中 After the new curriculum reform, the Ministry of Education put forward higher requirements for the teaching of all subjects in senior high schools. It not only calls for improving the quality of teaching in all disciplines, but also promotes quality education and comprehensively improves students’ academic abilities. Chemistry and science like science have higher demands on students’ logical thinking ability and the content of the class is more abstract. Therefore, doing the work of class introduction can not neglect the quality of chemistry class teaching. There are many kinds of classroom introduction, such as image-based import, scene-based import, teachers can choose according to the characteristics of the subject. The chemistry as a laboratory based on the discipline, the experiment is one of its major characteristics in high school chemistry