Unit 1 Using Language Talk about scientific experiences公开课教案-2022-2023学年高中英语人教版2019选择性必修第二册

2019新人教高中英语选择性必修二Unit1UsingLanguage-TalkAboutScientificExperiences公开课案Teachingaims:Enablestudentstopredictthelisteningcontentbyusingpictures.Guidestudentstosequencethecorrectorderandcompletethelisteningmaterialbasedontheunderstandingofthelisteningcontent.Helpstudentstotalkaboutscientificphenomenaandshareyourattitudestowardsscienceinlife.Teachingkeypoints:Helpstudentstopredictcontentbyusingpictures.Helpstudentstograspthedetailsaccurately.Encouragestudentstoexpresstheirattitudestowardsscience.Teachingdifficultpoints:Practisetheskillstolistentothedetailsaccurately.Trytoguidestudentstoexpresstheirattitudestowardsscienceinlife.Teachingprocedures:StepⅠLead-inLookatthephotosanddiscussthefollowingquestions.1.Whatarethepeopledoingineachphoto?2.Whatdotheseactivitieshavetodowithscience?Suggestedanswers:1.InPhotoA,aboyisspeakingintoagiantdish.InPhotoB,agirlisjumpingonagiantpianokeyboard.InPhotoC,aboyislookingatabluescreen.InPhotoD,agirlisstandinginfrontofahallofmirrorswhereshecanseeherselfreflectedthousandsoftimes.InPhotoE,aboyisstandinginfrontofawhitelight.2.A:Ithinkthedishinthisexhibitionisrelatedtosound.Maybetheboyiswhisperingintothesmallercircleandthedishcanmakehisvoicelouder.StepⅡPre-listeningThephotosabovearerelatedtotheconversationyouwillhear.Basedonthephotosabove,predicttheanswerstothefollowingquestions.1.Wherearethepeopleintheconversationgoingtogo?2.Whatkindofplaceisit,andwhatdoesitfocuson?3.Whatkindsofthingscanyoudothere?Predictbyusingpictures

Onewaytogetmoreoutofyourlisteningistopredictwhatyouwillhear.Usingthepicturesprovidedandtheknowledgeyoualreadyhave,youcanguessthekindsofinformationyoushouldlistenfor.Attimes,youmayevenbeabletoguessexactlywhatwillbetalkedabout.Thiswillhelpyoufocusbetterwhenlistening,makingyourlisteningmoreeffective.Suggestedanswers:1.Theyaregoingtoasciencemuseum.2.Itisasciencemuseumthatfocusesonlettingvisitorsexperiencesciencethroughinteractivelearningexhibitions.3.Icanprobablytrydifferentactivitiestolearnaboutsound,light,reflection,andsoon.Forexample,Icangotoaroomwithmanymirrorsfacingeachothersoitlooksliketherearemanycopiesofme!OrIcanplaywithabigpianoonthefloor.StepⅢWhile-listeningActivity1Listentotheconversationandwritedowntheletters(A~E)forthephotosintheorderthatyouhearthemdescribed.1.____________2.___________3.

4.____________5.

Suggestedanswers:1.D2.C3.E4.B5.AActivity2Listenagainandcompletethedescriptionsofthephotosabove.PhotoA:Agiantdish;whenyouspeakintoit,itthesoundbackand.Youcanuseittospeakinatosomeone17metresaway.

PhotoB:Agiantthatyoucanuseyourfeettoplay.Insteadofplayingthesoundsofapiano,itplaysthevoicesof.

PhotoC:Youlookatabluescreenforawhile,andthensuddenlyyoucanseemovingaroundonit.Theseareour.

PhotoD:Awhereyoucanseeyourselfreflectedthousandsoftimes.

PhotoE:Youstandinfrontof,anditcastsdifferentshadowsofyou,intherainbow.

Suggestedanswers:PhotoAreflects;makesitlouder;whisperPhotoBpianokeyboard;classicalsingersPhotoCtinybrightlights;ownbloodcellsPhotoDhallofmirrorsPhotoEawhitelight;everycolourofActivity3Listenagainandchecktheanswersfilledintheblankabove.PartⅣPost-listeningActivity1Discussthefollowingquestionsingroups.(1)TheconversationisabouttheCityofScienceandIndustry,amuseuminParis.Wouldyouliketogotothismuseum?Whyorwhynot?(2)ArethereanymuseumslikethisinChina?Whatotherinterestingmuseumsarethere?Suggestedanswers:(1)Yes.Theexhibitionsseemreallyinteresting.IthinkIwouldlearnalotthere.(2)Yes.Forexample,thereistheChinaScienceandTechnologyMuseuminBeijingandtheShanghaiScienceandTechnologyMuseum.Activity2Ingroups,chooseoneofthemuseumactivitiesintheconversationorbrainstormanotherscientificresearchorexperimentthatyouareinterestedin.Activity3Makeashortpresentationtotheclassaboutyourchoice.Usetheexampleandusefulphrasesbelowtohelpyou.Talkingaboutscientificphenomena...can/cannotexistintheformofasolid/gasandaliquid/plasma......isbotha...anda...atthes