《大气环境保护》沉浸式双语教案设计──高一地理上册第二章第七节.doc

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1、大气环境保护沉浸式双语教案设计高一地理上册第二章第七节 教学目标 1.了解大气污染所形成的全球变暖、臭氧层的破坏、酸雨等现象产生原因及危害； 2.正确认识大气环境保护的重要意义； 3.通过沉浸式双语讲授，学生在掌握地理知识的过程中，应用英语，提高英语应用能力。 教学重点 1.全球变暖 2.臭氧层的破坏和保护 3.酸雨的危害 教学难点 英语语境的建立与学科学习相结合 教学准备 多媒体课件 教学过程 1.introduction (导入新课) show to the students the picture that the earth is sweating like a man feeling

2、 enormously hot in summer and the picture of antarctic hole of ozonosphere， and watch the short film about acid rain. (出示地球出汗的卡通片，南极臭氧空洞图片以及观看酸雨影片片段，指出全球大气环境已经受到严重的污染，所以本课要研究大气环境保护) 2.presentation （教授新课） 2.1. 整体思路 guide the students to know three atmospheric problems， each problem instructed in this

3、 way: first， what causes the problem; secondly， what harmful affects such problem bring; and finally， measures that can be taken to solve the problem.(分别讲述大气环境的三大问题，每个问题的以如下方法呈现：一产生问题的原因；二是其危害，三应当采取的措施) 2.2 具体教材双语的讲授。 2.2.1 global warming after a picture that show the change of the temperature of th

4、e earth in recent year， i put forward a question: “is the temperature going up or down? the students answered and students understand what is “global warming”. then the students discussed the cause of global warming in english， i listened to them and help them express themselves in english， finally

5、conclusions were reached about what the human should do to stop the earth from getting hotter 2.2.2 the protection of ozone layer at first a short english film show how the cfc “eat” the o3， then with the more widely use of the refrigerator that used cfc， antarctic hole of ozonosphere appeared(comes

6、 the picture of antarctic hole of ozonosphere) after that， english film show harmful affects about the depletion of ozone layer. in the same way， what to do to protect ozone layer is the last thing for students to know. english film is good environment for students to immerse themselves in english.

7、) 2.2.3 acid rain put forward question after question to fulfill the instruction of the content， such as a) what is acid rain; b)how it comes into being; c) where does acid rain frequently happen d)why acid rain is harmful e)what to do to reduce acid rain. ( in this session， i establish question for

8、 students to think about， then by picture and film i let the students analyze the problem themselves， and solve the problem themselves， in which they were trained to analyze facts to find the answer， at the same time， english thinking pattern is applied. )3推荐阅读：大气环境保护教学设想气候资源、气象灾害、大气环境保护大气环境（第一课时）学案大气环境的保护人教版高中地理新教材（必修上）高一地理3、2 海水的运动 教案高一地理交通运输网中的点教案高一地理教案 第 4 页 /总页数4 页