导入是教师开始一节化学课的第一个环节,一次成功的导入可以起到调动学生的学习兴趣,激发学生的学习积极性和主动性。良好的开端可以让课堂氛围变得轻松愉快,学生和教师在教学活动中更加和谐统一。因此,高中化学课堂该如何导入需要教师精心设计,教师可以采用多种方式,但在实际的教学活动中,高中化学课堂导入环节总是存在一些问题和弊端。 The introduction is the first step in the chemistry class that the teacher starts a course. A successful introduction can arouse students’ interest in learning and arouse their enthusiasm and initiative in learning. A good beginning can make the classroom atmosphere relaxed and happy, and students and teachers are more harmonious and unified in their teaching activities. Therefore, how to introduce the high school chemistry class requires careful design of teachers, teachers can use a variety of ways, but in the actual teaching activities, the introduction of high school chemistry classroom there are always some problems and drawbacks.