Unit 1 Using Language 1 课件-2022-2023学年高二英语同步课件（人教版2019选择性必修第二册）

Unit1UNIT1SCIENCEANDSCIENTISTSTalkaboutscientificexperiencesTolistentoaconversationaboutthescientificexperienceToextractspecificinformationwhilelisteningandcompletemissinginformationTodescribethescientificexperienceinlisteningTosharethescientificexperienceyouparticipateinTomakeapresentationonascientificphenomenonT:WhatcanyouseeinPictureA?S1:Icanseeaboyandabigdish.T:What’stheboydoing?S1:He’slookingintothedish.S2:No.Idon’tagree.Hisnoseismuchclosertothedish,soprobablyhe’ssmellingsomething.S3:Ithinkheisspeakingtothedish.T:Whyishedoingthat?S1:Becausethedishcanshowhimsomemagicalscenes.S2:Becausethedishisamachinewhichcanproducefragrantsmellsthatmakepeoplefeelgood.S3:Maybehwantstospeaktothepeopleontheotherendoftheearth.T:Goodguesses!Butdidyouseetheword“whisper”?Somethingamazingisgoingonthereanditissciencethatmakesithappen.T:WhatcanyouseeinPictureB/C/D/E/?S1:…PictureA:agiantdish,whisperPictureB:apianokeyboard,playwithfeetPictureC:abluescreen,brightlightsPictureD:ahallofmirrors,reflectPictureE:awhitelight,castshadows,inthecolouroftherainbowLookatthephotosbelow,anddiscussingroupswhattheseactivitieshavetodowithscience.Ithinkthedishinthisexhibitionisrelatedtosound.Maybetheboyiswhisperingintothesmallercircleandthedishcanmakehisvoicelouder.Thislookslikeapianoyouplaywithyourfeet.Maybeitshowshowsoundworks.I’mnotsurewhatthisoneshows,butitmustbeaboutlightoreyesight.Itisahallofmirrors.Maybeithastodowiththeprinciplesofreflection.Thisisprobablyanexperimentinvolvingthecompositionoflight.PredictbyusingpicturesOnewaytogetmoreoutofyourlisteningistopredictwhatyouwillhear.Usingthepicturesprovidedandtheknowledgeyoualreadyhave,youcanguessthekindsofinformationyoushouldlistenfor.Attimes,youmayevenbeabletoguessexactlywhatwillbetalkedabout.Thiswillhelpyoufocusbetterwhenlistening,makingyourlisteningmoreeffective.Thephotosabovearerelatedtotheconversationyouwillhear.Usingthephotos,trytopredicttheanswerstothefollowingquestions.1.Wherearethepeopleintheconversationgoingtogo?Theyaregoingtoasciencemuseum.2.Whatkindofplaceisit,andwhatdoesitfocuson?

Itisasciencemuseumthatfocusesonlettingvisitorsexperiencesciencethroughinteractivelearningexhibitions.3.Whatkindsofthingscanyoudothere?

Youcanprobablytrydifferentactivitiestolearnaboutsound,light,reflection,andsoon.Forexample,youcangotoaroomwithmanymirrorsfacingeachothersoitlooksliketherearemanycopiesofyou!Oryoucanplaywithabigpianoonthefloor.Whatmakesyouthinkso?asciencemuseum/centre,aplacefordelight,toeducateandinspire,soundandlight,scientificphenomena/discoveries,interactiveactivities,toexperience/experiment/exploreListenandwritedownthekeywords.fieldtrip,museum,ahallofmirrors,seemyselfreflectedthousandsoftimes,abluescreen,tinybrightlights,bloodcells,awhitelight,castdifferentshadows,ineverycolouroftherainbow,areaforsound,agiantpianokeyboard,voicesofclassicalsingers,agiantdish,reflectedthesoundback,speakinawhisper,17metresaway…ListentotheconversationandseeifyouranswersforActivity2arecorrect.Thenwritedowntheletters(A-E)forthephotosintheorderthatyouhearthemdescribed.1._______________ 2._______________3._______________ 4._______________ 5._______________ DCEBAListenagainandwritedownthekeywordsforeachpicture.PictureA:agiantdish,reflectthesoundback,speakinawhisper,17metresawayPictureB:agiantpianokeyboard,useyourfeettoplay,playvoicesofclassicalsingersPictureC:abluescreen,tinybrightlights,bloodcellsPictureD:ahallofmirrors,seemyselfreflectedthousandsoftimesPictureE:awhitelight,castdifferentshadows,ineverycolouroftherainbowListenagainandcompletethedescriptionsofthephotosabove.PhotoA:Agiantdish;whenyouspeakintoit,it___________thesoundbackand____________________.Youcanuseittospeakina___________tosomeone17metresaway.PhotoB:Agiant______________thatyoucanuseyourfeettoplay.Insteadofplayingthesoundsofapiano,itplaysthevoicesof______________.reflectsmakesitlouderwhisperpianokeyboardclassicalsingersPhotoC:Youlookatabluescreenforawhile,andthensuddenlyyoucansee________________movingaroundonit.Theseareour______________.PhotoD:A______________whereyoucanseeyourselfreflectedthousandsoftimes.PhotoE:Youstandinfrontof____________,anditcastsdifferentshadowsofyou,in______________therainbow.tinybrightlightsownbloodcellshallofmirrorsawhitelighteverycolourofWhatscientificphenomenondoesPictureA/B/C/D/Eshow?Didyouguesscorrectly?Howdidyoumaketheguess?/Whydidn’tyouguesscorrectly?Belowisasummaryofthelisteningcontentwithsomecontentmissing.Choosetherightitemfromtheboxtocompletethesummary.Changetheformifnecessary.pianokeyboardahallofmirrorswhisperbloodcellssoundexperimentedwiththerainbowreflectedtinybrightlightslightafieldtripcastdifferentshadowsJudyhad____________toasciencemuseumwithherclassmateslastweek.Firstshewenttoanareafor__________.afieldtriplightIn______________Judysawherselfreflectedthousandsoftimes.Shealso________________abluescreenandsawherown______________movingaroundlike______________.ThethingJudylikedbetterwasthatawhitelight____________________ofJudyineverycolourof__________.LaterJudywenttotheareafor______________.pianokeyboardahallofmirrorswhisperbloodcellssoundexperimentedwiththerainbowreflectedtinybrightlightslightafieldtripcastdifferentshadowsahallofmirrorsexperimentedwithbloodcellstinybrightlightscastdifferentshadowstherainbowsoundpianokeyboardahallofmirrorswhisperbloodcellssoundexperimentedwiththerainbowreflectedtinybrightlightslightafieldtripcastdifferentshadowsJudyplayedagiant______________withherfeet,anditevenproducedthevoicesofclassicalsingers.Shealsofoundagiantdish,which______________thesoundbackandmadeitloudersothatyoucould______________tosomeone17metresaway.pianokeyboardreflectedwhisper1.TheconversationisabouttheCityofScienceandIndustry,amuseuminParis.Wouldyouliketogotothismuseum?Whyorwhynot?Discussthefollowingquestionsingroups.位于巴黎东北部的“科学与工业城”据说是世界上最大、访问人数最多的博物馆之一，同时也是欧洲最大的科普中心。博物馆于1986年对外开放，科学城空间功能分4个部分：永久性陈列（地球宇宙、生命奥秘、物质人类、语言交流），最新科技成果和工业产品（包括幻影式战斗机和啊丽亚纳火箭和空间站），图书资料中心，底层会议中心。其中还包括3D电影院、水族馆、植物园和众多新科技产品。WhatcanyoudointheCityofScienceandIndustry?Whatdoyoulikemostaboutit?Iwouldliketogotothismuseumtoseethebluescreen.IamcurioustoknowwhatonearthisgoingonthereandwhyIcanseemybloodcellsmovingaroundliketinybrightlights.Iamsureitwillbealotoffun.(从单幅图片看)ThereasonwhyIwouldliketogotothismuseumisthatitisanamazingplaceforustohavefun,learn,andgetinspired.Justasthepicturesshow,thereisalotofinterestingstufftodothere.WhatIlikemostisthatIcanparticipateintheinteractiveactivitiesandexplorethescientificphenomenaformyself.(从整体角度)…notconvenientbecauseitistoofarfromChina,can’taffordthejourneytoParis,havetogainadmissiontothemuseum,noneedtogosofarwhenwehavesomanyinterestingplacesathome,can’tspeakFrenchandwillhavetroubleinunderstandingwhattodothere…(回答whynot时学生可能给出的理由)2.ArethereanymuseumslikethisinChina?Whatotherinterestingmuseumsarethere?HaveyoueverbeentosuchamuseuminChina?Whereisit?Whatisitlike?Whatdidyoudothere?Yes.Forexample,thereistheChinaScienceandTechnologyMuseuminBeijingandtheShanghaiScienceandTechnologyMuseum.Ingroups,chooseoneofthemuseumactivitiesonthepreviouspageorbrainstormanotherscientificresearchorexperimentthatyouareinterestedin.Whatscientificphenomenonistheexampleabout?Doyouknowthephenomenon?Wheredidyouknowit?Whatotherscientificresearch/experimentshaveyoueverdoneorreadabout?非牛顿流体Makeashortpresentationtotheclassaboutyourchoice.Usetheexampleandusefulphrasesbelowtohelpyou.Today,Iwanttotalktoyouaboutaverystrangephenomenoncalledanon-Newtonianfluid.Youcanmakeiteasilyusingequalpartsofwaterandcornflour,likeIhavehere.n.混凝土Anon-Newtonianfluidisstrangebecauseyoucanpouritlikealiquid,butifyouputanypressureonit,itsuddenlybecomeshardasconcrete.Infact,itbecomeshardenoughtostandon.Then,assoonasyoutakethepressureoff,itbecomesaliquidagain.Thisshowsthatitispossiblethatsomethingcanexistasaliquidandasolidatthesametime.Ascientificphenomenon/experimentNameMaterialsneededTheorybehinditProcessSignificance…Talkingaboutscientificphenomenon...can/cannotexistintheformofasolid/gasandaliquid/plasma...…isbotha...anda...atthesametime...howlight/soundisreflected......theexistenceofother...Thisoccurswhen...Ifyou…,itwillbecome...Thatdemonstrates...n.血浆Thisexperiment/researchshows…Throughthis,weknowthat...Wecanprovethat...Thisevidenceproves...SamplePresentationToday,Iwanttotalktoyouaboutthepositiveandnegativechargesofmolecules.Wecandemonstratehowtheseinteractthroughasimpleexperimentusingmilk,dishsoap,andfoodcolouring.First,coverthebottomofashallowplatewithmilk.Nowaddtwoorthreedropsofdifferentliquidfoodcolouringtothecentreofthemilk.Theyshouldformonelargedarkpuddleinthemiddleofthemilk.Nowdipacottonswabintodishsoap,andplaceitintothemiddleofthefoodcolouring.Youwillseethecoloursquicklymovetoescapefromthesoap,makinginterestingandbeautifulpatterns.Thishappensbecausethedishsoapmoleculeshaveastrongnegativecharge,andthemilkmoleculeshaveastrongpositivecharge.Likemagnets,thesemoleculesareattractedtoeachother,andsotheyappeartomovearoundontheplate,takingthefoodcolouringwiththem,makingitlooklikethecoloursarequicklymovingtoescapefromthesoap.1.Istoodinfrontofawhitelight,anditcastdifferentshadowsofme,ineverycolouroftherainbow.castvt.tocastalook/glance/smileetc.

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