《空气的污染和保护》一课,以往的教学思路是先讲解有关空气污染的知识,然后讲解防止空气污染的方法,向学生进行保护空气环境的教育,最后布置学生对当地空气污染情况进行考察。我像这样上过两次后,总觉得教学效果不理想,内容空洞、抽象,以讲解知识为重点,学生的体验和感受不深,环保教育没有落到实处。我想:环保教育不光是讲解知识,更重要的是要培养环保意识,激发学生的环保情感。基于这种认识,我着重从两个方面对教案进行了重新设计:一是让学生去亲身观察和体验;二是通过对比分析,一方面使学生找出空气污染的三大污染源,另一 The lesson of “air pollution and protection” was that the teaching idea in the past was to explain the knowledge of air pollution first, and then to explain the methods of preventing air pollution, to educate the students on the protection of the air environment, and finally to arrange the students to inspect the local air pollution situation . After I did it twice like this, I always felt that the teaching effect was not ideal. The content was empty and abstract, with emphasis on explaining knowledge. The experience and feeling of students was not deep, and environmental education did not come true. I think: Environmental education is not only about knowledge, but more importantly, it is necessary to cultivate environmental awareness and stimulate students' environmental feelings. Based on this understanding, I focused on two aspects of the lesson plans were redesigned: First, let students to personally observe and experience; the second is through comparative analysis, on the one hand enable students to identify the three major sources of air pollution, and the other