英语：unit 5《The Power of Nature》课件(新人教版选修6).ppt

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1、ThePowerofNatureUnit5ks5u精品课件1.Howisavolcanoformed?Therocksundertheearthbecomeshotterandhotteranderuptedfromthemountain.ks5u精品课件gasliquidsolidLava(熔岩)vapour水蒸气,carbondioxide,nitrogen(氮),sulphur(硫磺),etc.bitsofrockandvolcanicash,etc.2.Whatwillbeproducedaftertheerupt

2、ionofvolcano?ks5u精品课件Unit5AnExcitingJobks5u精品课件Doesthewriterlikehisjob?2.WhereisMountKilauea?Skimming3.Whatisthevolcanologistwearingwhengettingclosetothecrater?ks5u精品课件1.Doesthewriterlikehisjob?2.WhereisMountKilauea?Yes.ItisinHawaii.Skimmingks5u精品课件3.Whatisthevolc

3、anologistwearingwhengettingclosetothecrater?Heiswearingwhiteprotectivesuitsthatcoveredhiswholebody,helmets,bigbootsandspecialgloves,justlikeaspaceman.ks5u精品课件1.Whatshowsthattheauthorlikehisjobinpara1andthelastpara?IhavethegreatestjobintheworldDangerexcitesmeandmak

4、esmefeelaliveIamjustasenthusiasticaboutmyjobs…Readthepassageandanswer:ScanningIamstillamazedattheirbeauty…ks5u精品课件3.Whatdidthescientistsdoaftertheeruption?DroppedascloseaspossibletothecraterSlowlymadeourwaytotheedgeofthecraterLookeddownintothered,boilingcentreClim

5、beddownintothecratertocollectsomelavaks5u精品课件Answerthesequestionsusingcompletesentencesonpage35Comprehendingks5u精品课件1.Whyisavolcanologist’sjobimportant?3.WhyisthelavathatflowsonMountKilaueamoredangerousthantheactualeruption?Volcanologistsstudyvolcanoessothattheyca

6、nwarnpeoplewhenthevolcanoisgoingtoeruptandsosavemanylives.Thelavaflowsdownthemountainandcancoveruporburnvillagesinitspath.Therocksthateruptfromthevolcanousuallydon’tdamageanythingbecausenoonelivesnearthecrater.ks5u精品课件5.Whydidthescientistshavetogetclosetothevolcan

7、oafteritbeganerupting?6.Whywasitdifficultforwritertowalktowardstheedgeofthecrater?Thescientistsneededtogetsamplesofthelavasotheycouldstudythem.Theauthorwaswearingspecialprotectiveclothingthatmadeitdifficulttowalk.ks5u精品课件7.Whatdoesthewriterfindimpressiveaboutvolca

8、noesevenafterstudyingthemfor20years?Theauthorisamazedatthebeautyoftheeruptionanditspotentialtocausegreatdestruction.ks5u精品课件1Thewriterdoesn’tmindtheocca