高二 人教版 英语 选择性必修二第一单元《Lesson 4 Listening and Speaking》课件

Unit1

SCIENCEANDSCIENTISTS

Lesson4:ListeningandSpeaking高二—人教版—英语—选择性必修二第一单元

LearningobjectivesAfterthislesson,youwillbeableto1predictbyusingpicturestofocusbetterwhenlistening23listenandunderstandwhatpeoplecandoandhowtheyfeelinasciencemuseumtalkaboutascientificexperienceorascientificphenomenonindailylifeListeningandSpeaking

ScientificExperiencesHaveyouevervisitedasciencemuseum?

Whatcanyouseeandwhatcanyoudoinit?seeexhibitions(展览)immerse(沉浸)yourselfinaworldofwonder(奇妙世界)learnaboutnewinventionsPre-listening1.

Lookatthephotos.Whatcanyousee?Whataretheydoing?(P.6Ex.1)agiantdishspeakinawhisper(轻声)apianokeyboardabluescreenbrightlightsahallofmirrorscastshadowscoloursofrainbow

Pre-listening2.Usingthephotos,trytopredicttheanswerstothefollowingquestions.(P.6Ex.2)(1)Wherearethepeopleintheconversationgoingtogo?(2)Whatkindofplaceisit,andwhatdoesitfocuson?Theyaregoingtoasciencemuseum.Itisasciencemuseumthatfocusesonlettingvisitorsexperiencesciencethroughinteractive(互动的)learningexhibitions.Pre-listening2.Usingthephotos,trytopredicttheanswerstothefollowingquestions.(3)Whatkindsofthingscanyoudothere?Youcanprobablytrydifferentactivitiestolearnaboutsound,light,reflection,andsoon.Forexample,youcangotoaroomwithmanymirrorsfacingeachothersoitlooksliketherearemanycopiesofyou!Youcanalsoplaywithabigpianoonthefloor.PredictbyusingpicturesOnewaytogetmoreoutofyourlisteningistopredictwhatyouwillhear.Usingthepicturesprovidedandtheknowledgeyoualreadyhave,youcanguessthekindsofinformationyoushouldlistenfor.Attimes,youmayevenbeabletoguessexactlywhatwillbetalkedabout.Thiswillhelpyoufocusbetterwhenlistening,makingyourlisteningmoreeffective.Whatcanwepredictinthesepictures?1.Who?What?Where?When?2.Canweclassifythemintodifferenttypes?PictureA&B:sound;PictureC&D&E:light.While-listening1.ListentotheconversationandseeifyouranswersforActivity2arecorrect.Thenwritedowntheletters(A-E)forthephotosintheorderthatyouhearthemdescribed.(P.6Ex.3)TIP:Trytonotedownthekeyphrases.1._____2._____3._____4._____5._____lightgamesahallofmirrorsabluescreentinybrightlightscastshadowscoloursofrainbowanareaforsoundapianokeyboardagiantdishspeakinawhisperDCEBALocatedinParis,France,theCityofScienceandIndustryisthebiggestsciencemuseuminEurope.ThegoaloftheCityistospreadscientificandtechnicalknowledgeamongthepublic,particularlytheyouth,andtopromotepublicinterestinscience,researchandindustry.Attractionsincludeaplanetarium,asubmarine,anIMAXtheatreandspecialareasforchildrenandteenagers,wheregames,interactiveexhibits,andexperimentalareasallowthemtoreallygettheirthinkingcapsontoexplore.CulturalNote:theCityofScienceandIndustryn.天文馆/,plænɪ’teəriəm/n.潜艇

/,sʌbmə’riːn/开动脑筋图片来源于网络While-listening2.Listenagainandcompletethedescriptionsofthephotos.(P.6Ex.4)PhotoA:Agiantdish;whenyouspeakintoit,it__________thesoundbackand

_______________.Youcanuseittospeakina_________tosomeone17metersaway.PhotoB:Agiant______________thatyoucanuseyourfeettoplay.Insteadofplayingthesoundsofapiano,itplaysthevoicesof________________.PhotoC:Youlookatabluescreenforawhile,andthensuddenlyyoucansee________________movingaroundonit.Theseareour_________________.PhotoD:A________________whereyoucanseeyourselfreflectedthousandsoftimes.PhotoE:Youstandinfrontof_____________anditcastsdifferentshadowsofyou,in___________________therainbow.reflectsmakesitlouderwhisperpianokeyboardclassicalsingerstinybrightlightsownbloodcellshallofmirrorsawhitelighteverycolourofPost-listening1.Answerthefollowingquestionsaboutsciencemuseums.(P.7Ex.5)TheconversationisabouttheCityofScienceandIndustry,amuseuminParis.Wouldyouliketogotothismuseum?Whyorwhynot?(2)ArethereanymuseumslikethisinChina?Whatcanyoudointhem?Yes,becausetheexhibitionsseemreallyinteresting.IthinkIwouldlearnalotaboutscienceanditcanbroadenmyhorizons(开拓视野).Yes.Forexample,thereistheChinaScienceandTechnologyMuseum(中国科学技术馆)inBeijingandtheGuangdongScienceCenter(广东科学中心)inGuangzhou.Wecandomanyinterestingexperimentsinsuchmuseums.图片来源于网络图片来源于网络Post-listening2.Brainstormandtalkaboutascientificexperimentyouareinterestedin.TIP:Youcanrefertothesentencepatternsprovided.

(P.7Ex.6)1.Opening:Today,Iwanttotalktoyouaboutaverystrangephenomenoncalledanon-Newtonianfluid(非牛顿流体).2.Materialsneeded:Youcanmakeiteasilyusingequalpartsofwaterandcornflour(矢车菊),likeIhavehere.3.Process:Anon-Newtonianfluidisstrangebecauseyoucanpouritlikealiquid,butifyouputanypressureonit,itsuddenlybecomeshardasconcrete(混凝土).Infact,itbecomeshardenoughtostandon.Then,assoonasyoutakethepressureoff,itbecomesaliquidagain.4.Theory:Thisshowsthatitispossiblethatsomethingcanexistasaliquidandasolidatthesametime.

Talkingaboutscientificphenomena..can/cannotexistintheformofasolid/gas

andaliquid/plasma(血浆)....isbotha...anda...atthesametime…howlight/soundisreflected…Thisoccurswhen...Ifyou...,itwillbecome...Thatdemonstrates(表明)...Thisexperiment/researchshows...Throughthis,weknowthat....Wecanprovethat...Thisevidenceproves…Inadditiontothesciencemuseums,whereelsecanpeoplehavescientificexperiences?图片来源于网络图片来源于网络inspaceinasciencemuseumPost-listeningTalkaboutthe“WaterFilmExperiment”intheTiangongspacestation.Theory:Zerogravitymagnifiesthesurfacetensionofwater.(零重力放大水的表面张力)awaterfilm水膜aflowerbud花朵ametalring金属圈foldsth.withpaper折纸rotate旋转blossom开花WordBank视频来源于网络Thatdemonstrateszerogravitymagnifiesthesurfacetensionofwaterinspace.Thisexperimentshows…Throughthis,weknowthat...Thisoccurswhenthingsareinzerogravity.Wangplacedtheflowerbudfoldedwithpaperonthewaterfilm.Wangcreatedawaterfilmusingametalringandabagfilledwithwater.Thebudrotatedmagicallyonthefilmand“blossomed”.TheoryMaterialsneededProcess图片来源于网络图片来源于网络图片来源于网络Post-listeningMakeapresentationaboutthe“WaterFilmExperiment”.1.Opening:Today,IwanttotalktoyouaboutaveryinterestingphenomenonandIlearntaboutitfromthe“WaterFilmExperiment”[Name]intheTiangongspacestation.2.Experimenter:WangYaping,aChinesefemaleastronaut,didascientificexperimentwithaflowerbudwhichsheandherdaughterfoldedwithpaperbeforethespacejourney.3.Materialsneeded:First,shecreatedawaterfilmusingametalringandabagfilledwithwater.4.Process:

Then,sheplacedtheflowerbudonthewaterfilm.Theamazingthingwasthatthebudrotatedmagicallyonthefilmand“blossomed”!

5.Theory:

Thisoccurswhenthingsareinzerogravity.Thisexperimentshowsthatzerogravitymagnifiesthesurfacetensionofwaterinspace.Reviewofnewwordscast/kɑːst/v.投射；向……投以(视线、笑容等)；投掷reflect/rɪˈflekt/

v.反射(声、光、热等)；反映(影像)

pour

/pɔː(r)/v.倒出，倾泻，斟(饮料)whisper

/ˈwɪspə(r)/v./n.耳语；低语；私语；小声说exhibition

/ˌeksɪˈbɪʃ(ə)n/n.展览，展出shadow

/ˈʃædəʊ/n.阴影，影子，背光处rainbow/ˈreɪnbəʊ/n.彩虹concrete/ˈkɒŋkriːt/n.混凝土

adj.混凝土制的；确实的；具体的solid

/ˈsɒlɪd/adj.可靠的，固体的，坚实的n.固体plasma

/ˈplæzmə/n.血浆Inadditiontothesciencemuseumsand

space,whereelsecanpeoplehavescientificexperiences?图片来源于网络图片来源于网络inspaceinasciencemuseumindailylife图片来源于网络HomeworkTalkaboutascientificphenomenoninyourdailylife.temperature

/ˈtemprətʃə(r)/(n.)温度humidity/hjuːˈmɪdəti/(n.)湿度moisture/ˈmɔɪstʃə(r)/(n.)水分condense/kənˈdens/(v.)冷凝WordBank图片来源于网络Eg.Haveyoueverseenafoggywindowofacar?Whendoesithappen?Why?HomeworkTalkaboutascientificphenomenoninyourdailylife.(Pleaserefertotheexampleof“WaterFilmExperiment”.)Thinkaboutthefunctionofscienceandwhatstudentscandowithscientificknowledge.Finishthevocabularyexercisesrelatedtoscientificexperiences.Thankyou!Unit1

SCIENCEANDSCIENTISTS

Lesson4:ListeningandSpeaking高二—人教版—英语—选择性必修二第一单元

答疑Judyhad(1)__________toasciencemuseumwithherclassmateslastweek.Firstshewenttoanareafor(2)________.In(3)_______________,Judysawherselfreflectedthousandsoftimes.Shealso

experimentedwith

abluescreenandsawherown(4)__________movingaroundlike(5)________________.ThethingJudylikedbetterwasthatawhitelightcastdifferentshadowsofJudyineverycolourof(6)____________.LaterJudywenttotheareafor(7)_______.Judyplayedagiant(8)____________________withherfeet,anditevenproducedthevoicesofclassicalsingers.Shealsofoundagiantdish,which(9)__________thesoundbackandmadeitloudersothatyoucould(10)__________tosomeone17metresaway.pianokeyboardahallofmirrorswhisperbloodcellssoundtherainbowtinybrightlightsreflectedafieldtriplight1.Review:Completethepassagewiththegivenexpressions.afieldtriplightahallofmirrorsbloodcellstinybrightlightstherainbowsoundpianokeyboardreflectedwhisper2.Homework:Talkaboutascientificphenomenoninyourdailylife.foggycarwindowsOpeningToday,Iwanttotalktoyouaboutaninterestingphenomenoninourdailylife.ProcessTheory图片来源于网络Sometimes,ourcarwindowsgetfoggy.Thisoccurswhenthereisadifferenceinairtemperatureandhumiditybetweentheinsideofthecarandtheoutside.Phenomenon①

Ifyougetintothecarwhenitiscoldoutside,yourwarmbodytemperatureandthemoisturecomingfromyourbreathwillincreasethehumidityinthecar.②Whenthishumidandwarmairtouchesthecoldglass,thewaterintheaircondensesontheglasstocreatefog.Thoughthis,weknowthat

watercondenseswhenwarmairtouchesthecoldglass.Thisishowfogisformedonthecarwindows.3.Think