Unit 1 Period 4 Talk about scientific experience 教学设计-2022-2023学年高中英语人教版2019选择性必修第二册

Unit1ScienceandscientistsPeriod4Talkaboutscientificexperience教学设计课题Period4Talkaboutscientificexperience单元Unit1学科English年级Grade2教材分析Thisisthefourthperiodofthisunit.TheUsingLanguagesectionofthisunitismainlydividedintotwoparts.Underthethemeofmanandself,manandsociety,studentsneedtoconsiderandexplorethebenefitsofexperientiallearningincombinationwiththecontentofthetextbook,aswellastheconnotationoftheliteracyandscientificspiritthatscientistspossess.Inthepart,studentshavelisteningcomprehensionandoralexpression.教学目标与核心素养Knowledgeobjectives:Tomasterthescientificexperiencesinlisteningcomprehension.Skillobjectives:EnabletheSstounderstandspeakersmoreefficiently.Developthelisteningandspeakingability.Emotionalobjectives:Tolearnmoreaboutthescientificphenomenaandexperiments.重点Talkaboutscientificexperiences;Theexpressionsofscientificexperimentsormuseumexperiences.难点Totalkaboutdifferenttypesofscientificinquiryactivities,describetheirownexperiencesinscientificexperimentsandscientificresearch,andcommunicatewithclassmates.教学过程教学环节教师活动学生活动设计意图导入新课leading–in(PPT1-6)1.Showstudentsapictureandaskaquestion:.1)WhatisthedateofMay30th?Answer:ScienceandTechnologyWorkers'Day2.Lookatthephotosbelow,andtellmethescientistsandtheirachievements.ChinaJiaolongSubmarineXuQinanChinaQuantumComputingMachineKongWeichengChinaSkyEyeTelescopeNanRendongBeidouNavigationSatelliteSystemChenZhongguiStudentscanmakeapredictionorhaveadiscussionwithpartner,theanswervaries.Toguidestudentstopredictiveability.讲授新课Pre-ListeningTask1PPT7-121.Lookatthephotosbelow,anddiscussingroupswhattheseactivitieshavetodowithscience.Picture1：1.Whatcanyouseeinthispicture?2.What’stheboydoing?3.Whyishedoingthat?Keywords：PictureA:agiantdish,whisper2.Discussingroupswhattheseactivitieshavetodowithscience.Thenfindoutthekeywordsofeachpicture.YoucanfindouttheanswertothefollowingquestionofPictureB,C,DandE.Whatisgoingonandwhatmakesithappen?PictureB:apianokeyboard,playwithfeetPictureC:abluescreen,brightlightsPictureD:ahallofmirrors,reflectPictureE:awhitelight,castshadows,inthecolouroftherainbowWhile-ListeningTask3PPT13-20Thephotosabovearerelatedtotheconversationyouwillhear.Usingthephotos,trytopredicttheanswerstothefollowingquestions.1.Wherearethepeopleintheconversationgoingtogo?2.Whatkindofplaceisitandwhatdoesitfocuson?3.Whatkindsofthingscanyoudothere?Answers:1.Theyaregoingtoasciencemuseum.2.Itisasciencemuseumthatfocusesonlettingvisitorsexperiencesciencethroughinteractivelearningexhibitions.3.Youcanprobablytrydifferentactivitiestolearnaboutsound,light,reflection,andsoon.Forexample,youcangotoaroomwithmanymirrorsfacingeachothersoitlooksliketherearemanycopiesofyou!Oryoucanplaywithabigpianoonthefloor.Listentotheconversationandcompletethedescriptionswithsomekeywords.1.Awhereyoucanseemyselfreflectedthousandsoftimes.2.Youlookatabluescreenforawhile,andthensuddenlyyoucanseemovingaroundonit.Theseareour3.Youstandinfrontof,anditcastsdifferentshadowsofyou,intherainbow.4.Agiantthatyoucanuseyourfeeltoplay.Insteadofthesoundsofapiano,itplaysvoicesof.5.Agiantdish:whenyouspeakintoit,itthesoundbackand.Youcanuseittospeakinatosomeone17metresaway..Answers:1.hallofmirrors;2.tinybrightlights;bloodcells;3.awhitelight;everycolourof;4.pianokeyboard;classicalsingers;5.reflects;makesitlouder;whisperWhile-ListeningTask4PPT21-26Listentotheconversationcarefullyandmatcheachpictureaccordingtothekeywords.ahallofmirrors,seemyselfreflectedthousandsoftimesPictureD:abluescreen,tinybrightlights,bloodcellsPictureC:awhitelight,castdifferentshadows,ineverycolouroftherainbowPictureE:agiantpianokeyboard,useyourfeettoplay,playvoicesofclassicalPictureB:agiantdish,reflectthesoundback,speakinawhisper,17metresawayPictureA:ListentotheconversationandseeifyouranswersforActivity2arecorrect.Thenwritedowntheletters(A-E)forthephotosintheorderthatyouhearthemdescribed.Answers:1.D2.C3.E4.B5.AWhile-ListeningTask5PPT27-34Lookatthepicturesandguesswhattheyareabout.Answers:TheCityofScienceandIndustry,amuseuminParisListentothetapeanddiscussthefollowingquestionsingroups.Wouldyouliketogotothismuseum?Whyorwhynot?Suggestedsimplequestions:1)WhatcanyoudointheCityofScienceandIndustry?2)Whatdoyoulikemostaboutit?Suggestedstructures:1).Iwouldliketogotothismuseumtosee...Iamcurioustoknow...Icanseemybloodcells...Iamsureitwillbe...2)WhatIlikemostisthatIcan...ThereasonwhyIwouldliketogotothismuseumisthatitis..Answers:1).Iwouldliketogotothismuseumtoseethebluescreen.IamcurioustoknowwhatonearthisgoingonthereandwhyIcanseemybloodcellsmovingaroundliketinybrightlights.Iamsureitwillbealotoffun.2).WhatIlikemostisthatIcanparticipateintheinteractiveactivitiesandexplorethescientificphenomenaformyself.ThereasonwhyIwouldliketogotothismuseumisthatitisanamazingplacefbrustohavefun,learn,andgetinspired.Justasthepicturesshow,thereisalotofinterestingstufftodothere.2.ArethereanymuseumslikethisinChina?Whatotherinterestingmuseumsarethere?Youcandiscusslikethese:HaveyoueverbeentosuchamuseuminChina?Whereisit?Whatisitlike?Whatdidyoudothere?Whatotherinterestingmuseumsdidyouvisit?Answers:Yes.ThereistheChinaScienceandTechnologyMuseuminBeijing.It'sverygrandandmysterious.Iwenttoexplorethetheoriesofscience.IalsohavevisitedtheShanghaiScienceandTechnologyMuseum.GroupworkTask6PPT35Workingroups.Brainstormsomescientificresearchorexperimentthatyouareinterestedin.Discussion-Task7PPT36-39Discussionandpresentation.Readingmaterial:Today,Iwanttotalktoyouaboutaverystrangephenomenoncalledanon-Newtonianfluid.Youcanmakeiteasilyusingequalpartsofwaterandcornflour,likeIhavehere.Anon-Newtonianfluidisstrangebecauseyoucanpouritlikealiquidbutifyouputanypressureonit,itsuddenlybecomeshardasconcrete.Infact,itbecomeshardenoughtostandon.Then,assoonasyoutakethepressureoff,itbecomesaliquidagain.Thisshowsthatitispossiblethatsomethingcanexistasaliquidandasolidatthesametime.Ask:Whatinformationdoestheexamplegiveoutaboutthescientificphenomenon?Ascientificphenomenon/experimentNameMaterialsneededTheorybehinditProcessSignificanceDiscusstoprepareforthepresentation,consideringtheUsefulstructures:...can/cannotexistintheformofasolid/gasandaliquid/plasmaisbotha...anda...atthesametime...howlight/soundisreflected......theexistenceofother...Thisoccurswhen...Ifyou...,itwillbecome...Thatdemonstrates...Thisexperiment/researchshows...Throughthis,weknowthat...Wecanprovethat...Thisevidenceproves...Askstudentstohaveapresentation:Thescientificphenomenoniscalledanon-Newtonianfluid.Itcanexistintheformofasolidandaliquid.Whatisstrangeisthatifyouputanypressureonit,itsuddenlybecomeshardasconcrete.Ifyoutakethepressureoff,itwillbecomealiquidagain.Thatdemonstratesthatsomethingcanexistasaliquidandasolidatthesametime.Tomakestudentsthinkaboutorimaginethepicture’smeaning.Studentscangivesomerelatedsentencesbytheteachers’guidance.Whilelistening,studentscanmatcheachpicturewiththekeywords.Thiscanbedonetwice,makenotesforthefirst,thenchoosethecorrectanswerthesecondtime.Thispartisalittledifficultformoststudents.Ifcannotdoitindividually,theycanhaveadiscussionwithpartnerorlistentotheaudiotwoorthreetimes.Studentscanhaveadiscussioningroupsandbrainstormthenamesofsomegreatpeopleandwritetheminthetablebelow.Cultivatestudents'imaginationTodiscusswhattheexperimentdevelopusingthefollowinglanguagefillerstogiveyourselftimetothink.Toinspirestudents’curiosityandthinking.Tohelpstudentsguessthemeaningofeachpicturethoughtheteacher’sguidance.Totrainstudentshowtograspthemaininformationwhilelistening.1.Toimprovestudents’listeningcomprehensionability.2.Totrainstudents’verbalability.1.Totrainstudents’imagination.2.Tobroadenstudents’view.Totrainstudents’expressiveness.课堂练习及课堂活动PPT40-441.Translateusefulstructuresexistintheformof__________Thisoccurswhen...________________.Thatdemonstrates...__________________ Throughthis,weknowthat...____________Thisevidenceproves..._________________这是一个以让参观者通过互动学习展览体验科学为重点的科学博物馆。这表明某种物质有可能同时以液体和固体的形式存在。Answers:以。。。形式存在当。。。时这个会发生那个证明了。。。通过这个，我们得知。。。这个证据证明。。。Itisasciencemuseumthatfocusesonlettingvisitorsexperiencesciencethroughinteractivelearningexhibitions.Thisshowsthatitispossiblethatsomethingcanexistasaliquidandasolidatthesametime.DiscussionTalkingaboutscientificphenomenonToday,Iwanttotalktoyouaboutthepositiveandnegativechargesofmolecules.Wecandemonstratehowtheseinteractthroughasimpleexperimentusingmilk,dishsoap,andfoodcolouring.First,coverthebottomofashallowplatewithmilk.Nowaddtwoorthreedropsofdifferentliquidfoodcolouringtothecentreofthemilk.Theyshouldformonelargedarkpuddleinthemiddleofthemilk.Now,dipacottonswabintodishsoap,andplaceitintothemiddleofthefoodcolouring.Youwillseethecoloursquicklymovetoescapefromthesoap,makinginterestingandbeautifulpatterns.Thishappensbecausethedishsoapmoleculeshaveastrongnegativecharge,andthemilkmoleculeshaveastrongpositivecharge.Likemagnets,thesemoleculesareattractedtoeachother,andsotheyappeartomovearoundontheplate,takingthefoodcolouringwiththem,makingitlooklikethecoloursarequicklymovingtoescapefromthesoap.PresentationThescientificexperimentiscalledinteractbetweenthepositiveandnegativecharges.Milk,dishsoap,andfoodcolouringarewhattheexperimentneeds.Ifyouaddtwoorthreedropsofdifferentliquidfoodcolouringtothemilk,theyshouldformonelargedarkpuddle.Butafteryoudoso,youwillseethecoloursquicklymovetoescapefromthesoap.Thatisbecausethedishsoapmoleculeshaveastrongnegativecharge,andthemilkmoleculeshaveastrongpositivecharge.Theyattracteachother,andsotheymovearoundontheplate,takingthefoodcolouringwiththem,justlikethecoloursareescapingfromthesoap.3.PutthefollowingsentencesintoEnglish1).Milk,dishsoap,andfoodcolouringare___________________(实验所需要的）.2)Thatis____________(因为肥皂分子带有很强的负电荷）.3)Whatisstrangeis_____________________________(如果你对它施加任何压力，它会突然变得像混凝土一样硬）.Answers:1)whattheexperimentneeds.2)becausethedishsoapmoleculeshaveastrongnegativecharge.3)thatifyouputanypressureonit,itsuddenlybecomeshardasconcrete.Tonamethepredicativeclauseandstateitsfunction.Afterdiscussion,studentscandrawaconclusionabouttheexperimentbyusingthewordsandphrasesgiven.Thenreportbacktotheclass.