选修六《Unit4Globalwarming》Reading优质课件

1、Book 6 Unit 4Global Warming- ReadingWhat is the weather like today?extreme weather eventsdroughtfloodtyphoonTsunamihigh temperatureWhat has caused the extreme climate? The Earth Is Becoming Warmer But Does It Matter? What are the two graphs about?The first graph shows the temperature increase of one

2、 degree Fahrenheit between 1860 to 2000. The second graph shows the carbon dioxide content in the atmosphere from 1957 to 1997.Whats the relationship between the two factors and global warming?Greenhouse Effect Global warmingGreenhouse gases(CO2) trap the heat from the sun, which causes the temperat

3、ure of earth to go up. SkimmingTask 1: Who wrote the article?What is the main idea of the magazine?What are the names of the 3 scientists?Sophie ArmstrongGlobal warming/the warming of the earth.Dr Janice Foster, Charles Keeling, George Hambley ReadingMade accurate measurements of the amount of CO2In

4、troduction of Greenhouse gases and Greenhouse effectPredict the global warming will be mild and positiveDr Janice FosterCharles KeelingGeorge HambleyTask 2: ComparingThe Outline of different opinionsGroup 1Group 2Group 3The topicIntroductionPara. 1Para.6-7Task 3 ScanningThe organization of the artic

5、le: BodyPara. 2-5Conclusion Who writes this article?Sophie Armstrong of Earth CareWhere does this article most probably come from?A. Newspaper B. Novel C. MagazineCareful readingPart1(1)Introduction of global warming 2. _1. _Part2(2-5)How global warming comes about?the burning of fossil fuels human

6、activityCarbon dioxideMethaneWhat are the Greenhouse gases?1.2.3.Water vapor Greenhouse effect Dr. Janice Foster George HambleyCarbon dioxide has caused the global temperature to _. An increase of five degrees would be a _ and could be _.More carbon dioxide is a _ thing,which makes crops _ more and

7、will encourage _.go upcatastrophevery seriouspositiveproducea greater range of animalsPart3(6-7)Different attitudes towards the effects of global warmingDebateGroup Work1We shall do something about global warming.2We shall do nothing about global warming.cause the sea level to risethe spread of dise

8、asesdisappearance of speciesSo we should : 1. Reduce the burning of fossil fuels 2. Use bags that can be recycled make plants grow fastercrops will produce morea greater range of animalsmake life betterSo we dont worry about global warming Possible effects:Negative effectsPositive effectsThe voice from the world 2015 climate conference in Paris President Xi delivered the speech In order to benefit the next generation, we should make every effort to protect the earth where we live today ! If you were a representative to attend the World Climate