人教版英语选修六Unit5thepowerofnature（Reading）ppt课件.ppt

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1、Man has so much wisdom and power that the whole world has changed a lot.tall buildingsmodern agricultureairplanesatomic bombspaceshipmodern medicinemodern communication What do you think of human power?Have you ever considered how weak humans are compared with a volcano,hurricane or earthquake?Can y

2、ou list some natural disasters?Look at the diagram below.It shows a volcano erupting.What do you know about volcanoes?Share your knowledge with your partner.Boiling rock erupts from the crater(火山口火山口);the lava(熔岩熔岩)flows slowly down the mountain.gasliquidsolidlava(熔岩熔岩)vapour,carbon dioxide,nitrogen

3、(氮氮),sulphur(硫磺硫磺)bits of rock and volcanic ash,etc.1.How is a volcano formed?One plate crashes down into another.The fluid rock becomes hotter and hotter with high pressure.Finally it rushes out.Thus,a volcano is formed.2.Where is it most possible for a volcano to erupt?Joints between the plates.Jo

4、ints between the plates.Joints between the plates.Often near the oceans.3.What types of volcanoes do you know?extinct volcano(=one that is no longer active at all)dormant volcano(=one that is not active at the moment)active volcano(=one that may erupt at any time)Answer Yes or No to the questionnair

5、e.questionnaireYesNo1.Do you like working outside as well as inside?2.Do you enjoy travelling to unusual places?3.Do you enjoy taking risks?questionnaireYes No4.Do you dislike doing the same thing everyday?5.Do you like adventure in your life?6.Are you interested in studying rocks and other things t

6、hat make up the surface of the earth?If you answered“yes”to all these questions,then volcanology could be a good career choice for you.Read the passage to find out more about being a vocanologist.1.Whats the main idea of the article?The writer expressed his _ for his job as a _ and told us one of hi

7、s unusual _in Mount Kilauea,Hawaii.lovevolcanologistexperiences2.Find out main ideas for each part.Part 1(Para 1-2)Part 2(Para 3-4)Part 3(Para 5)The writers _ and its _.jobimportanceThe writers _of watching the volcanic eruption.experienceThe _ for the writers enthusiasm about his job.reasons1.Which

8、 of the following is not the factor that makes the writers job the greatest in the world?A.its dangerous but exciting.B.the writer can travel to unusual places and meet people from all over the world.C.the writer can earn a lot of money.D.the writer is helping protecting people from the volcano.2.Wh

9、at does a volcanologist not need most?A.knowledge of spaceships.B.research skills.C.skills of operating scientific equipment.D.observing skills.Read the text and fill in the blanks in the chart.Pay attention to the structure of the text.My job Go to 1._places Dangerous Help people toavoid the damage

10、of volcaniceruptionsWork as a volcanologist in Hawaii Collecting data for scientists topredict the path of the 2._ Warning people to leave their housesMy experience of seeing thevolcanic eruption 3._ bed Strange sound 4._ bedroom Eruption Fountaining red hot lavaunusuallavashakingbrightMy job Go to

11、unusualplaces Dangerous Help people toavoid the damageof volcaniceruptionsClose look at the crater Special clothes 5._ suitsStill enthusiastic,greatly interestedin the 6._and potential ofvolcanoesprotectivebeauty1.Why does the writer say that he has the greatest job in the world?2.Why is a volcanolo

12、gists job important?3.Where is Mount Kilauea?1.Why does the writer say that he has the greatest job in the world?2.Why is a volcanologists job important?Volcanologists study volcanoes so that they can warn people when the volcano is going to erupt and save many lives.3.Where is Mount Kilauea?In Hawa

13、ii.Job:_ _ _ _Fill in the blanks according to this part.volcanologistcollect information for a databasehelp scientists to predict where lava will flow and how fastimportance:_feelings(adj.):_ _ _ protect ordinary people from volcanoes/Save peoples lives by warning them to leave their homes.excitedne

14、ver boredfeel aliveFind the words which mean the following._ 1.different from what is usual_ 2.people who are travelling for pleasure_ 3.sometimes,but not regularly and not often_ 4.a large amount of data stored in a computer_ 5.unluckily_ 6.hot liquid rock that comes out of a volcanounusualtourists

15、occasionallydatabaseunfortunatelylava 4.Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption?The lava flows down the mountain and can cover up or burn villages in its path.The rocks that erupt from the volcano dont damage anything because no one lives near the crater.5

16、.What caused the writers bedroom to become as bright as day even though it was night?The light that was caused by the red-hot rocks and gas that erupted from the volcano.6.Why did the scientists have to get close to the volcano after it began erupting?The scientists needed to get samples ofthe lava

17、so they could study them.7.Why was it difficult for the writer to walk towards the edge of the crater?The author was wearing special protective clothing that made it difficult to walk.Complete the phrases describing the authors first experience of a volcaniceruption.began shaking a strange 1._ passi

18、ng my 2._ as bright as day into the back3._ see Mount Kilauea from the side red hot 4._ fantastic 5._soundwindowgardenlavasight What does the writer find impressive about volcanoes even after studying them for many years?The writer finds their beauty and their potential to cause great damage very im

19、pressive.My job is studying 1._ for the Hawaiian Volcano Observatory(HVO).I collect information about Mount Kilauea,one of Hawaiis active volcanoes.This information helps predict where 2._ from the volcano will go next.Below is a summary of the text with somewords missing.Choose the words from the b

20、ox and make the summary complete.Then try to retell the story to your partners.volcanoeslavaburies,volcanic eruptions,crater,volcanoes,special clothing,lavaPeoples lives can then be saved by warning them to leave their houses before the lava comes.The 3._ dont cause much damage as no one lives near

21、the top.The lava flowing down the mountain causes far more damage because it 4._ everything in its path.I will never forget the first time I saw a fountain of red hot lava bursting out of Mount Kilauea.It was a fantastic sight.volcanic eruptionsburiesburies,volcanic eruptions,crater,volcanoes,specia

22、l clothing,lavaThe next day two scientists and I wore 5._ to protect us while we took a closer look at its 6._.Twenty years later I am still excited about my job.I am amazed by the beauty and dangerous power of volcanoes.(By Ray Cama)special clothingcraterburies,volcanic eruptions,crater,volcanoes,s

23、pecial clothing,lava1.Having learnt a little more about the work of a volcanologist,do you think it is an occupation you would enjoy?Give your reasons.No,I probably wouldnt enjoy this job because I would have to live in other countries and also I dont like being in dangerous situations.Also,Im not v

24、ery good at science.Yes,Id love to do a job like this because I would enjoy working outside and I think I would enjoy the adventure.It would be exciting to meet people from different countries and I would feel good about helping people avoid danger.2.In pairs discuss what skills you think a volcanol

25、ogist should have.Make a list.Look at these three people who would like to study volcanoes.Which one would you choose to become a volcanologist?Give your reasons.Essential skills Degree and/or Doctors degree in geologyInterest in Earth science which includes:Knowledge of volcanoes Knowledge how magm

26、a erupts and how it behaves Research skillsEssential skills Degree and/or Doctors degree in geologyInterest in Earth science which includes:Skill in analyzing and interpreting research results and other information Practical skills for performing experiments and operating scientific equipmentDesirab

27、le skillsComputer skillsForeign languages Practical skills such as:the ability to read maps problem-solving skills planning and organizational skillsDesirable skillsComputer skillsForeign languages Practical skills such as:communication skills writing skills,for writing reports and for publications1

28、 Fred Spearsworks in a wildlife park looking after wild animals;loves nature and spends his holidays climbing mountains2 Susan Kelphas studied geology at university;very interested in volcanoes;has visited Mount Etna in Sicily,Italy3 Charles Wildis a medical doctor;works in a laboratory doing resear

29、ch on disease;loves adventure holidays;wants to analyse volcanic samplesFred Spears:He has the interest but not the qualifications.So he is not a good choice to become a volcanologist.Susan Kelp:She has studied geology and has an interest in volcanoes.She has all the necessary qualifications but she

30、 does not have practical experience devising experiments and analyzing data.Charles:He is a medical doctor with an interest in volcanoes.He has experience of conducting experiments but does not have the specific qualifications needed to become a volcanologist.So I would choose Susan Kelp because she

31、 has the necessary qualifications and the interest.Although she has not yet conducted experiments she will either have learned the techniques during university course or be able to learn them on-the-job.She seems to be the most suitable candidate.Spend some time researching the Yaan earthquake in Sichuan.You can use books,magazines,newspapers or the Internet.Collect pictures or diagrams and look for information about:what causes this earthquake earthquakes that happened in the past in China and/or the rest of the world how people helped the victims what is being done to lessen the damage