福建省莆田第八中学（人教版）英语高二下学期选修6课件： unit4 global warming1（共33张PPT）
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| 名称 | 福建省莆田第八中学（人教版）英语高二下学期选修6课件： unit4 global warming1（共33张PPT） |  | |
| 格式 | zip | ||
| 文件大小 | 2.7MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（新课程标准） | ||
| 科目 | 英语 | ||
| 更新时间 | 2015-09-20 11:23:30 | ||
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课件33张PPT。www.themegallery.comWords studyGlobal warmingUnit 4 英语组 张素香www.themegallery.com We depend on energy to do many things in our daily lives. Make a list of the things that consume energy in your home, school or any other places.We need energywww.themegallery.comWhere does all the energy come from ?www.themegallery.comWhere does the energy come from?Energy sources: renewable and non-renewable sources.Renewable sources: energy sources that ______ .
Non-renewable : energy sources that ______ ______ ______ one day.never run outwill run outwww.themegallery.coma coal power Station
(燃煤发电站)non-renewablecoalwww.themegallery.comwind power
(风力)renewablewww.themegallery.com Oil
(an oil refinery)
炼油厂
non-renewable[ri'fain?ri]精炼厂 www.themegallery.comsolar-energyrenewable How about the plants?The sun.a greenhousePre-reading
What is a greenhouse made of? How does it work?It is made of _____and plants can grow in it when it’s cold outside, because the glass______ the heat______ the sun and keeps it from _______.This makes the greenhouse
_____ ____and so the plants can grow throughout the cold period.glass trapsfromescapingheat upMethane['mi:θein] What are Greenhouse gases?In the atmosphere surrounding the earth there are gases called “greenhouse gases”, including…Carbon dioxideWater vapor What … greenhouse gases do Greenhouse gases perform the same fun_ction as the glass of a glasshouse.
They trap heat from the sun and keep the air surrounding the earth warm, which is called the greenhouse effect.
温室效应www.themegallery.comDue to the greenhouse effect, the earth is becoming warmer and warmer---But does it matter?www.themegallery.comSkimmingThe organization of the article: IntroductionA titleBodyConclusionwww.themegallery.comSkimmingSkim the text (7 paras): Para. 1Para. 2-5IIIPara. 6IIIPara. 7IVIntroduction ConclusionPart one:( para1 )Introduce the issue of global warming .Part two: ( para2-5 )Explain how global warming comes about. Part three:(para 6 )List two different attitudes among scientists towards the consequences of global warmingPart four:( para7 )Give a warning and raise a question for the readers to think overwww.themegallery.comCareful reading
www.themegallery.comPartＩ 1. Who wrote the article?2. What is the name of the magazine?Sophie ArmstrongEarth Carewww.themegallery.com1. What’s graph 1 about?It shows the temperature increase of one degree Fahrenheit between 1860 and 2000.Part ‖ ★ ★ 2. What’s graph 2 about?It shows the increase of carbon dioxide content in the atmosphere from 1957 to 1997.www.themegallery.comPart ‖ ★ ★3. Do we need greenhouse gases?
Without the “greenhouse effect”, what would happen?The earth would be about 33 ℃ cooler than it is.
www.themegallery.com4. How has global warming come about?It is human activity that has caused the global warming … The problem begins when huge quantities of extra carbon dioxide are added into the atmosphere.…is due to the burning of fossil fuels…Part ‖ ★ ★ ★www.themegallery.comTip: You can know somebody’s opinion through understanding his quotations(引言)
or what he said. What do Dr. Janice Foster and the scientist George Hambley think about the consequences of global warming?
Do they agree with one another?
Part III ★ ★ ★www.themegallery.comDr. Janice Foster thinks the effects of global warming could be very serious.
George Hambley thinks global warming will be mild with few bad environmental consequences. They don't agree with each other.
Part III(Para .6)go upcatastrophe very seriouspositiveproducea greater range ofThe different ideas between Dr. Janice Foster & George Hambleywww.themegallery.comIdea-sharingWhat will global warming bring to us in your opinion?
(Find out supporting evidence)www.themegallery.comcause the sea level to rise
severe storms
droughts/floods
famines
the spread of diseases
disappearance of speciesPositive effects Negative effects www.themegallery.comcause the sea level to rise
severe storms
droughts/floods
famines
the spread of diseases
disappearance of speciesPositive effects Negative effects make plants grow faster
crops will produce more
a greater range of animals
make life better
…www.themegallery.comPart Ⅳ ★ ★ ★What’s the purpose of the last paragraph of the passage?
It functions as a conclusion by asking the reader to reflect on the major theme of the text and to predict what might happen in the future.www.themegallery.com Fill in the blankshenomenon uantitiesuels rapped esultingwww.themegallery.comAssignment Prepare the language points of this passage and underline the important ones.
After remembering the vocabulary, do the exercise on Page 28.www.themegallery.comThank You !
Non-renewable : energy sources that ______ ______ ______ one day.never run outwill run outwww.themegallery.coma coal power Station
(燃煤发电站)non-renewablecoalwww.themegallery.comwind power
(风力)renewablewww.themegallery.com Oil
(an oil refinery)
炼油厂
non-renewable[ri'fain?ri]精炼厂 www.themegallery.comsolar-energyrenewable How about the plants?The sun.a greenhousePre-reading
What is a greenhouse made of? How does it work?It is made of _____and plants can grow in it when it’s cold outside, because the glass______ the heat______ the sun and keeps it from _______.This makes the greenhouse
_____ ____and so the plants can grow throughout the cold period.glass trapsfromescapingheat upMethane['mi:θein] What are Greenhouse gases?In the atmosphere surrounding the earth there are gases called “greenhouse gases”, including…Carbon dioxideWater vapor What … greenhouse gases do Greenhouse gases perform the same fun_ction as the glass of a glasshouse.
They trap heat from the sun and keep the air surrounding the earth warm, which is called the greenhouse effect.
温室效应www.themegallery.comDue to the greenhouse effect, the earth is becoming warmer and warmer---But does it matter?www.themegallery.comSkimmingThe organization of the article: IntroductionA titleBodyConclusionwww.themegallery.comSkimmingSkim the text (7 paras): Para. 1Para. 2-5IIIPara. 6IIIPara. 7IVIntroduction ConclusionPart one:( para1 )Introduce the issue of global warming .Part two: ( para2-5 )Explain how global warming comes about. Part three:(para 6 )List two different attitudes among scientists towards the consequences of global warmingPart four:( para7 )Give a warning and raise a question for the readers to think overwww.themegallery.comCareful reading
www.themegallery.comPartＩ 1. Who wrote the article?2. What is the name of the magazine?Sophie ArmstrongEarth Carewww.themegallery.com1. What’s graph 1 about?It shows the temperature increase of one degree Fahrenheit between 1860 and 2000.Part ‖ ★ ★ 2. What’s graph 2 about?It shows the increase of carbon dioxide content in the atmosphere from 1957 to 1997.www.themegallery.comPart ‖ ★ ★3. Do we need greenhouse gases?
Without the “greenhouse effect”, what would happen?The earth would be about 33 ℃ cooler than it is.
www.themegallery.com4. How has global warming come about?It is human activity that has caused the global warming … The problem begins when huge quantities of extra carbon dioxide are added into the atmosphere.…is due to the burning of fossil fuels…Part ‖ ★ ★ ★www.themegallery.comTip: You can know somebody’s opinion through understanding his quotations(引言)
or what he said. What do Dr. Janice Foster and the scientist George Hambley think about the consequences of global warming?
Do they agree with one another?
Part III ★ ★ ★www.themegallery.comDr. Janice Foster thinks the effects of global warming could be very serious.
George Hambley thinks global warming will be mild with few bad environmental consequences. They don't agree with each other.
Part III(Para .6)go upcatastrophe very seriouspositiveproducea greater range ofThe different ideas between Dr. Janice Foster & George Hambleywww.themegallery.comIdea-sharingWhat will global warming bring to us in your opinion?
(Find out supporting evidence)www.themegallery.comcause the sea level to rise
severe storms
droughts/floods
famines
the spread of diseases
disappearance of speciesPositive effects Negative effects www.themegallery.comcause the sea level to rise
severe storms
droughts/floods
famines
the spread of diseases
disappearance of speciesPositive effects Negative effects make plants grow faster
crops will produce more
a greater range of animals
make life better
…www.themegallery.comPart Ⅳ ★ ★ ★What’s the purpose of the last paragraph of the passage?
It functions as a conclusion by asking the reader to reflect on the major theme of the text and to predict what might happen in the future.www.themegallery.com Fill in the blankshenomenon uantitiesuels rapped esultingwww.themegallery.comAssignment Prepare the language points of this passage and underline the important ones.
After remembering the vocabulary, do the exercise on Page 28.www.themegallery.comThank You !