Unit 4《Global Warming》教案6(人教版选修6)
《Unit 4《Global Warming》教案6(人教版选修6)》由会员分享,可在线阅读,更多相关《Unit 4《Global Warming》教案6(人教版选修6)(4页珍藏版)》请在装配图网上搜索。
111Unit 4 Global warmingReading:The earth is becoming warmer But does it matter?knowledge ability goals知识能力目标:Enable the students to talk about the causes and effects of global warming.Help the students learn how to talk about the causes and effects of global warming and express ideas about what people should do about it.Teaching procedures & ways教学过程与方法:Task-based method. warming up;Pre-reading. While-reading .postreading .homework.Emotional and valuable aims情感态度与价值观:Help the students build up a kind of awareness of saving up energy and protecting environment. Teaching important point教学重点:Help the students learn how to debate over the topic We should do nothing about global warming.Teaching difficult point教学难点:Enable the students to learn the writing skills of the text and get a better understanding of articles of this kind.Teaching aids教具准备Multi-media classroom and other normal teaching tools.Teaching procedures:StepI warming up Can you tell what we use energy for?Energy lights our citiesEnergy heats our buildingsEnergy entertains us( watching TV; playing computer etc.) Present Ss a group of pictures and let them decide what kind of energy it is and decide whether it is renewable or non-renewable.Where does all the energy come from? Picture1 Wind millsPicture2 : a coal power stationPicture3: an oil refinery Picture4: a nuclear power plantPicture5: Solar panels Picture6: a hydro damStep II Pre-reading;1. Show a picture of greenhouse on the screen, and ask 1. What is it in the picture?Its a greenhouse made of glass.2. What is it used for?Its used for growing plants, especially during cold weather.3. How does it work? The air inside is warm because the glass traps the heat from the sun and keeps it from escaping. This makes the greenhouse heat up and so the plants can grow throughout the cold period.4. What is greenhouse gases?The gases surrounding the earth,including carbon dioxide, methane and water vapor.5. What do you think greenhouse gases do?They trap heat from the sun and therefore warm the earth.Step III While- readingTask 1: skimmingGlance quickly at the magazine article and answer the questions.1. Who wrote the magazine article? What is the name of the magazine?Sophie Armstrong wrote the magazine article. The name of the magazine is Earth Care.2. What are the names of the three scientists mentioned in the article?They are Dr. Janice Foster, Charles Keeling and George Hambley.3. What is the main topic of the article?Global warming/ the warming of the earth.Task 2:listen and Scan the textRead it quickly and try to get the general idea and divide the whole passage into several parts and summarize the main idea.Main idea of each partWriting techniquesIntroduction a debate over the issue of global warming. (P1)Raising a questionIllustrate how that comes about?(P2-4)Giving examples, using graphs, etcList two dif attitudes among scientists towards the issue (P5-10)Giving examples, making contrastIts up to readers to think and decide whether people should do something about global warming or not (P11)Using a question, leaving readers to think over the issue2. True: 3, 5, 6, 7, 8 False: 1, 2, 4, 9, 10Correct sentences:1. The temperature last century increased much.2. Not everyone believes that global warming is caused by human activities.4. Natural gas is not a greenhouse gas but a fossil fuel.9. George Hambley thinks that more carbon dioxide is a positive thing and it will make plants grow faster.10. It is unknown what the effects of global warming will be.Task 3: Group activity .Should we do nothing about global warming?Step Post-reading:1.write a summary.Do not include your own opinion, but be sure to use our own words (about 30words.)(不能添加自己的见解,但是要用自己的语言概括.大约30个词左右)The reading passage is a discussion and puts forward different points of view about the effect of increased carbon dioxide in the atmosphere the causes of the earths increased temperature and the possible effects .StepIIV.Homework Read the passage again and review the new words and expressions. 111- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- Global Warming Unit 4Global Warming教案6人教版选修6 Global Warming 教案 人教版 选修
装配图网所有资源均是用户自行上传分享,仅供网友学习交流,未经上传用户书面授权,请勿作他用。
关于本文
相关资源
更多