Unit4SpaceExplorationListeningandSpeaking教學(xué)設(shè)計教學(xué)目標(biāo)Knowledge&Skills:Studentswillmasterspaceexplorationrelatedvocabularylike"astronaut","launch",etc.Theyareexpectedtounderstandlisteningmaterialsaboutspaceexploration,catchingkeydetails,andexpresstheirownideasonthistopicfluently.Process&Methods:Throughlisteningprediction,notetakingandgroupdiscussion,studentsenhancelisteningskillsandlearntocooperatewithpeersinmunication.Affect&Values:Fosterstudents'curiosityaboutspaceandinspiretheirinterestinscientificexploration.CulturalAwareness:Enablestudentstounderstandtheinternationalcooperationanddifferentculturalattitudesinspaceexploration.重難點(diǎn)Key:Graspingspacerelatedvocabularyandexpressions;improvinglisteningprehensionandoralmunicationskillsonspaceexploration.Difficult:prehendingplexinformationinlisteningmaterialsandexpressingindepthviewsonthesignificanceandchallengesofspaceexploration.教學(xué)環(huán)節(jié)學(xué)習(xí)活動新課教學(xué)Teacher:Goodmorning,class!Today,we'regoingtoembarkonanexcitingjourneythroughthevastexpanseofspaceinourListeningandSpeakingclass.Spaceexplorationhasalwaysfascinatedhumanity.It'safieldthatbinesscience,technology,andourinnatecuriosityabouttheuniverse.Beforewestart,Iwantyoutothinkaboutthis:Whatestoyourmindwhenyouheartheterm"spaceexploration"?Takeamomenttojotdownafewideas.(Studentsspendashorttimewriting)Teacher:Alright,let'sshare.Whowouldliketostart?Yes,Tom.Tom:Ithinkofrocketsblastingoffintothesky,andastronautswalkingonthemoon.Also,spacetelescopesthatcanseefarawaygalaxies.Teacher:Excellent,Tom.Rocketsandastronautsareindeediconicsymbolsofspaceexploration.Andthespacetelescopes,liketheHubble,haverevolutionizedourunderstandingofthecosmos.Now,let'shaveanothervolunteer.Mary?Mary:Ithinkaboutthesearchforextraterrestriallife.Andallthenewplanetsthatscientistskeepdiscovering.Teacher:That'saveryinterestingpoint,Mary.ThehuntforlifebeyondEarthisoneofthemostpellingaspectsofspaceexploration.Withthediscoveryofthousandsofexoplanetsinrecentyears,thepossibilityoffindingotherlivingbeingsseemsmorerealthanever.Now,let'smoveontoourlisteningpart.We'regoingtolistentoaconversationbetweentwospaceenthusiasts,Dr.JohnsonandMs.Green.Asyoulisten,Iwantyoutopayattentiontothefollowingquestions:Whatarethemainachievementsinspaceexplorationtheydiscuss?Andwhatchallengesdotheymention?Listencarefully,andwe'lldiscusstheanswersafterwards.(Theteacherplaystherecordingoftheconversation)ConversationbetweenDr.JohnsonandMs.Green:Ms.Green:Dr.Johnson,it'ssogreattotalktoyouaboutspaceexploration.It'ssuchanexcitingfield.Dr.Johnson:Absolutely,Ms.Green.Therehavebeensometrulyremarkableachievementsinrecenttimes.TaketheInternationalSpaceStation(ISS),forexample.It'safloatinglaboratoryinspacewhereastronautsfromdifferentcountriesconductallsortsofexperiments.We'velearnedsomuchabouthowthehumanbodyreactsinmicrogravity,whichiscrucialforlongtermspacemissions.Ms.Green:That'samazing.AndwhatabouttheexplorationofMars?Iknowtherehavebeenseveralroverssenttotheredplanet.Dr.Johnson:Right.TheMarsroverslikeCuriosityandPerseverancehavebeenahugesuccess.They'vebeenabletoanalyzetheMartiansoilandatmosphere,andPerseveranceisevencollectingsamplestopotentiallybringbacktoEarth.ThiscouldhelpusunderstandiflifeeverexistedonMars.Ms.Green:Butspaceexplorationisn'twithoutitschallenges,isit?Dr.Johnson:No,it'snot.Oneofthebiggestchallengesisthecost.Sendingaspacecraftintospace,letalonetoanotherplanet,isextremelyexpensive.Forexample,asinglespaceshuttlemissionusedtocostbillionsofdollars.Andthentherearetheriskstotheastronauts.Thespaceenvironmentisfullofradiation,andthere'salwaysthedangerofequipmentfailure.Ms.Green:Ihadn'tthoughtabouttheradiationaspect.Thatsoundsreallydangerous.Dr.Johnson:Itis.Astronautsonlongtermmissions,likethoseontheISS,areexposedtolevelsofradiationthataremuchhigherthanonEarth.We'restilltryingtofigureoutbetterwaystoprotectthem.Teacher:Okay,theconversationhasended.Let'sstartwiththefirstquestion.WhatwerethemainachievementsinspaceexplorationthatDr.JohnsonandMs.Greendiscussed?Lucy,wouldyouliketoshare?Lucy:TheytalkedabouttheInternationalSpaceStation,whereastronautsdoexperimentsonhowthehumanbodyreactsinmicrogravity.AndtheyalsomentionedtheMarsrovers,likeCuriosityandPerseverance,whichanalyzetheMartiansoilandatmosphereandPerseveranceiscollectingsamples.Teacher:Perfect,Lucy.You'vesummarizeditverywell.Now,let'smoveontothechallenges.Whatchallengesdidtheymention?Sam?Sam:Theysaidthecostisahugechallenge.Sendingspacecraftintospaceisextremelyexpensive.Andthereareriskstoastronauts,likeradiationexposureandequipmentfailure.Teacher:Exactly,Sam.Thehighcostandtheriskstoastronautsareindeedmajorobstaclesinspaceexploration.Now,let'sdigalittledeeper.Let'shaveagroupdiscussion.Eachgroupwilldiscussthisquestion:Ifyouwereinchargeofaspaceexplorationproject,howwouldyoutrytooverethecostchallenge?Youhavefiveminutestodiscuss.(Groupsstartdiscussing)Teacher:Alright,let'sstartwithGroup1.Whatideasdidyourgroupeupwith?Group1representative:Wethoughtwecouldtrytobuildmorereusablespacecraft,likeSpaceX'sFalcon9rocket.Thisway,wedon'thavetobuildanewrocketforeverymission,whichcouldsavealotofmoney.Also,wecouldlookformoreinternationalpartnerships.Ifmorecountriescontribute,thecostcanbeshared.Teacher:Thoseareexcellentideas.Theconceptofreusablespacecraftisalreadyrevolutionizingthespaceindustry,andinternationalcooperationhasbeenkeyinmanysuccessfulspaceprojects.Group2,whatdidyourgroupsuggest?Group2representative:Weconsideredusingmoreadvancedmaterialsthatarelighterbutstillstrong.Lighterspacecraftwouldneedlessfuel,whichisamajorexpense.Andwecouldalsofocusonmorecosteffectivewaysoflaunching.Maybeusingatypeofelectromagneticlaunchsysteminsteadoftraditionalchemicalrockets.Teacher:That'sveryinnovativethinking.Usingadvancedmaterialsandexploringnewlaunchmethodscouldpotentiallyreducecostssignificantly.Now,let'smoveontoourspeakingactivity.I'mgoingtodivideyouintopairs.Eachpairwillhavetocreateashortdialogueaboutafuturespacemission.Youcanchooseanydestinationinspace,likethemoon,Mars,orevenafarawaystarsystem.Inyourdialogue,youshouldmentionatleasttwochallengestheastronautsmightfaceandhowtheyplantooverethem.Youhavetenminutestoprepareyourdialogue.(Pairsstartpreparingtheirdialogues)Teacher:Alright,let'sstartwiththefirstpair.AnnaandBen,areyouready?Anna:Yes,weare.OurdialogueisaboutamissiontoMars.Ben:Scene:InsidethespaceshiponthewaytoMars.Anna:Astronaut1:I'mabitworriedaboutthislongjourneytoMars.Theradiationlevelsarereallyhigh.Ben:Astronaut2:Iknow.Butwehaveaspecialradiationshieldingsysteminstalled.It'smadeofanewpositematerialthatcanblockmostoftheharmfulradiation.Anna:That'sgood.Butwhataboutthefoodsupply?We'regoingtobeinspaceforalongtime.Ben:Astronaut2:Well,we'vegotahydroponicssystemonboard.Wecangrowsomefreshvegetablesduringthejourney,andwealsohaveastockpileofdehydratedfood.Teacher:Verygood,AnnaandBen.You'veclearlythoughtaboutthechallengesandeupwithpracticalsolutions.Let'shavethenextpair,SarahandJack.Sarah:Ourmissionistoafarawaystarsystem.Jack:Scene:Inthecontrolroomofthespaceship.Sarah:Astronaut1:ThebiggestproblemIseeisthedistance.It'sgoingtotakeusdecadestoreachthestarsystem.Jack:Astronaut2:True.Butwe'vedevelopedanewtypeofenginethatusesnuclearfusion.It'smuchmoreefficientandwillcutdownthetraveltimesignificantly.Sarah:Andwhataboutthepsychologicalwellbeingofthecrew?Beinginspaceforsolongcanbereallytough.Jack:Astronaut2:Wehaveateamofpsychologistsonboard.They'llconductregularcounselingsessions,andwealsohavevirtualrealitysystemstosimulateEarthlikeenvironmentstokeepthecrew'sspiritsup.Teacher:That'sagreatdialogue,Saraha