2108人教版 必修六 Unit 5 The power of naturereading课件 （共25张PPT）.ppt

thepowerofnature,unit5,doyouknowanynaturaldisasters?,warmingup,earthquake,flood,sandstorm,hurricane/tornado/typhoon,tsunami,drought,volcano-eruption,whatdoyouknowaboutvolcano?doyouknowhowavolcanoerupts?,volcanoeruption,boilingrockeruptsfromthecrater;thelavaflowsslowlydownthemountain.,magmachamber,lava,crater,volcanicash,moreaboutthevolcano,1.howisavolcanoformed?,therocksundertheearthbecomehotterandhotteranderuptfromthemountain.,neartheoceans.,whereismostpossibleforavolcanotoerupt?,anextinctvolcano,haleakalacrater,thelargestdormantvolcanointheworldmaui,hawaii,anactivevolcano,3.whattypesofvolcanoesdoyouknow?,dormantvolcano,whatisthewriter?whendidhefirstseeaneruption?howdiditlooklike?whatwashewearingwhengettingclosetothecrater?,skimthetextandanswerthefollowingquestions,skimming,whatisthewriter?whendidhefirstseeaneruption?howdiditlooklike?,heisavolcanologistworkingforthehawaiianvolcanoobservatory.hemainlycollectsinformationaboutmountkilauea.,itwasinthesecondweekafterhearrivedinhawaii.itwasverybrightalthoughitwasnight.redlavafountainedhundredsofmetersintotheairanditwasafantasticsight.,3.whatwashewearingwhengettingclosetothecrater?andwhatwastheresult?,hewaswearingwhiteprotectivesuitsthatcoveredhiswholebody,helmets,bigbootsandspecialgloves,justlikeaspaceman.,partone(para1-para2),1)whyisavolcanologistsjobimportant?2)whereismountkilauea?3)thewriterdoesntmindtheoccasionaldangerofhisjobbecause_.,itcanwarnpeoplewhenthevolcanoisgoingtoeruptandsavemanylives.,inhawaii.,dangerexciteshimandmakehimfeelalive,parttwo(para3-para4),whyisthelavathatflowsonmountkilaueamoredangerousthantheactualeruption?thelavacancoveruporburnvillagesinitspath.therocksfromthevolcanousuallydontdamageanythingbecausenoonelivesnearthecrater.,parttwo(para3-para4),2.whatmadetheauthorrealizethataneruptionoccurred?putthemintheorder.a.iheardastrangesound.b.mybedroombecameasbrightasday.c.mybedbeganshaking.d.iranoutofthehouseintothebackgarden.,1,2,3,4,partthree(para5),whatattractsthewriterafterhehasstudiedvolcanoesformorethantwentyyears?,theauthorisimpressedbythebeautyoftheeruptionandalsobyitspotentialtocausegreatdamage.,havinglearntalittlemoreabouttheworkofavolcanologist,doyouthinkitisanoccupationyouwouldenjoy?discussyourreasonswithothersinyourclass.,discussion,no.iprobablywouldntenjoythisjobbecauseiwouldhavetoliveinothercountriesandalsoidontlikebeingindangerous.also,imnotverygoodatscience.,yes,idliketodoajoblikethisbecauseiwouldenjoyworkingoutsideandithinkiw