unit 5 the power of nature

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Unit5ThePowerofNature•RememberwhathappenedonDec26,2004?tsunami•Doyouknowanyothernaturaldisasters?Pleaseworkwithyourpartnersandmakealistofnaturaldisasters.Warmingup(4m)earthquakefloodsdroughtthunder/lightningtornado/cyclonehurricane/typhoonvolcano-eruption•Whatdoyouknowaboutvolcano?•Doyouknowhowavolcanoerupts?volcano-eruptionBoilingrockeruptsfromthecrater;thelavaflowsslowlydownthemountain.MagmachamberLavaCraterAshcloud/volcanicashMoreaboutthevolcano1.Howisavolcanoformed?Therocksundertheearthbecomehotterandhotteranderuptfromthemountain.Neartheoceans.2.Whereismostpossibleforavolcanotoerupt?AnextinctvolcanoHaleakalaCrater,thelargestdormantvolcanointheworldMaui,HawaiiAnactivevolcano3.Whattypesofvolcanoesdoyouknow?dormantvolcanoQuestionsYesNo1Doyoulikeworkingoutsideaswellasinside?2Doyouenjoytravellingtounusualplaces?3Doyouenjoytakingrisks?4Doyoudislikedoingthesamethingeveryday?5Doyoulikeadventureinyourlife?6Areyouinterestedinstudyingrocksandotherthingsthatmakeupthesurfaceoftheearth?Whatqualitiesareneededforavolcanologist?Areyousuitableforbeingavolcanologist?Answer“yes”or“no”tothefollowingquestions.Pre-reading(4m)Whatmightbetalkedabout?1.Whatisthewriter?2.Whendidhefirstseeaneruption?Howdiditlooklike?3.Whatwashewearingwhengettingclosetothecrater?Andwhatwastheresult?SkimthetextandanswerthefollowingquestionsSkimming(3m)1.Whatisthewriter?2.Whendidhefirstseeaneruption?Howdiditlooklike?HeisavolcanologistworkingfortheHawaiianVolcanoObservatory.HemainlycollectsinformationaboutMountKilauea.ItwasinthesecondweekafterhearrivedinHawaii.Itwasverybrightalthoughitwasnight.Redlavafountainedhundredsofmetersintotheairanditwasafantasticsight.3.Whatwashewearingwhengettingclosetothecrater?Andwhatwastheresult?Hewaswearingwhiteprotectivesuitsthatcoveredhiswholebody,helmets,bigbootsandspecialgloves,justlikeaspaceman.Asaresult,itmadehimdifficulttowalk.1.Whyisavolcanologist’sjobimportant?2.WhyisthelavathatflowsonMountKilaueamoredangerousthantheactualeruption?3.Whydidthescientistshavetogetclosetothevolcanoafteritbeganerupting?4.Whatdoesthewriterfindimpressiveaboutvolcanoesevenafterstudyingthemfor20years?ScanthetextandanswerthefollowingquestionsScanning(5m)1.Whyisavolcanologist’sjobimportant?Volcanologistsstudyvolcanoessothattheycanwarnpeoplewhenthevolcanoisgoingtoeruptandsosavemanylives.2.WhyisthelavathatflowsonMountKilaueamoredangerousthantheactualeruption?Thelavaflowsdownthemountainandcancoveruporburnvillagesinitspath.Therocksthateruptfromthevolcanousuallydon’tdamageanythingbecausenoonelivesnearthecrater.3.Whydidthescientistshavetogetclosetothevolcanoafteritbeganerupting?Thescientistsneededtogetsamplesofthelavasotheycouldstudythem.4.Whatdoesthewriterfindimpressiveaboutvolcanoesevenafterstudyingthemfor20years?Theauthorisimpressedbythebeautyoftheeruptionandalsobyitspotentialtocausegreatdestruction.Part1(Para1-2)Part2(Para3-4)Part3(Para5)Thewriter’sjobanditsimportanceThewriter’sexperienceofwatchingthevolcanoeruptionThereasonsforthewriter’senthusiasmabouthisjobFindoutthemainideaofeachpart(4m)Supposeyouareareporterofthe21stCentury,andyouareinterviewthewriter.Workinpairsandmakeupadialogueaccordingtoyourunderstandingofthepassage.Dialogueproduction(5m)Havinglearntalittlemoreabouttheworkofavolcanologist,doyouthinkitisanoccupationyouwouldenjoy?Discussyourreasonswithothersinyourclass.Discussion(8m)Assignment(Homework)1.Findoutwords,expressionsandsentenceswhichyouthinkareuseful,importantordifficulttounderstand.2.FinishexercisesinLearningaboutLanguage.(Ex.1,2)Unit5ThePowerofNature1.Iwenttoateahousewithtowfriendslastweekendbutalltheytalkedaboutwasvolcanoes.Iwasso_____thatIfellasleep.2.Atouristveryfoolishlytookariskbywalkingrighttotheedgeofanactive_________.3.Icarefully__________________overthefallenrocksandreturnedtothecar.4.Nothingcan______________theexperienceofstandingclosetoanactivevolcanoforthefirsttime.5.Canvolcanologistspredictwhenavolcanowill_______.6.Thesightofhotlavaenteringtheseaatdawnwas___________.boredvolcanomademywaycomparewitheruptimpressiveChecktheanswerstoEx.1onpage35TheeruptionofMountVesuviusin79ADtookpeopleinPompeiibysurprise.Itwassoquickandsoseverethatthetownwassooncoveredin_____and______.Manyhousesinthetownwere__________________.Itwasan________disasterformanypeoplewhocouldnotgetawayintime.AwriternamedPliny,whowasthereduringthe________,describedhowlavawasthrownintotheairlikea________.______________manyofthetownspeople,_________atthe_________sightofVesuviuseruption,stayedtoolongandfailedtoescapeintime.burnttothegroundabsoluteashlavaeruptionfountainUnfortunatelyamazedfantasticChecktheanswerstoEx.2onpage36MountVesuviusThismountainhaseruptedmorethan50timessincetheeruptionin79A.D.,whenitburiedPompeiianditssistercity,Herculaneum.AfterPompeiiwasburiedandlosttohistory,thevolcanocontinuedtoeruptevery100yearsuntilabout1037A.D.,whenitentereda600-yearperiodofquiescence.In1631,thevolcanokilledanadditional4000unsuspectinginhabitants.Examinethesentencesbelowandtellthesimilarityanddifferencebetweenthesetwosentences.Lookingcarefullyattheground,Imade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