随着互联网技术的发展,传统教学模式得到进一步拓展,微课也逐渐进入人们的视线。微课相对传统课堂过于宽泛的内容,其精简、突出的主题更利于学生接受,互联网在线学习的方式也逐渐得到学生的认可。高中化学教学借助微课教学的新模式,不仅使化学课堂教学得到有益补充,而且对提高课堂教学的有效性起到明显的作用,作为课堂的延伸微课也将极大地促进学生自主学习能力的提高。一、高中化学微课的特点及作用 With the development of Internet technology, the traditional teaching mode has been further expanded, and micro-class has gradually entered the people’s attention. Compared with the traditional teaching, the micro-lectures are too broad in content. The lean and prominent topics are more conducive to students’ acceptance. The online learning methods are gradually recognized by students. With the help of the new model of micro-teaching, the chemistry teaching in senior high school not only makes the chemistry classroom teaching supplemented, but also plays an obvious role in improving the effectiveness of classroom teaching. As an extension micro-class in the classroom, it will greatly promote students’ autonomous learning ability improve. First, the characteristics and role of high school chemistry micro-class