【教案】高中英语Unit4全单元教案必修三 6页

学习必备欢迎下载Unit4Astronomy:thescienceofstarsPeriod1Warmingup&Pre-readingTeachingaims:1.Learnthenewwords.2.TalkaboutthescienceofstarsStep1WordsLearnthenewwordsofthisunit.Step2Warmingup&leadin1.TalkaboutsciencesubjectsT:Goodmorning/afternoon,everyone.Whatclassdoyouhavetoday?S1:Maths,English,Chinese,physics,history,andgeology.T:Whatothersubjectsdoyouhaveinschool?S2:Computer,chemistry,biology,music,PE,andpolitics.T:Whichisyourfavourite?Why?S3:Myfavouriteoneis⋯becauseit’sveryinteresting/exciting/instructive/⋯S4:Ilike⋯bestbecause⋯2.TalkaboutuniverseandsolarsystemT:Let’sfollowthisastronomertolearnaboutuniverse.Howdidtheuniversecomeintobeing?S1:Afterthe“BigBang”,theuniversecameintobeing.T:Doyouknowthesolarsystemintheuniverse?Whatisitmadeupof?S2:Thesolarsystemcontainseightplanetsandmanycometsandotherobjects.T:Canyounametheeightplanets?S3:TheSun,Mercury,Venus,Earth,Mars,Jupiter,Saturn,Uranus,andNeptune.T:Whichplanetdoweliveon?Canyoudescribewhatitlookslike?S4:Earth.Itsupportsavarietyoflifeand70%oftheearthiscoveredwithseasoroceans.T:Whydoeslifeonlyexistontheearth?S5:Becausethereisairandwaterontheearth.Step3Pre-readingGetthestudentstodiscussthequestionsonpage25withtheirpartners.Thenaskthestudentstotelltheirstories.Encouragethemtotelldifferentstories,Iftheydon’tknowany,tellthemsome.Readsomestoriestothestudents.Panguseparatestheskyfromtheearth;TheBiblicalAccount;India;Japan;Europe;Letthemdiscussingroups.Step4Homework1.Reviewthewordsofthisunit.2.Previewthepassageof“Reading”.3.Dopage27Ex.3.精品学习资料可选择pdf第1页，共6页-----------------------\n学习必备欢迎下载Unit4Astronomy:thescienceofstarsPeriod2ReadingandComprehendingTeachingAims:EnabletheSstosaysomethingaboutastronomyHelpthestudentstoformagoodhabitofreadingCultivatetheSs'awarenessofprotectingtheearth.TeachingImportance:HowtoimprovetheSs'abilitytounderstandhowlifebeganontheearthTeachingMethods:Task--basedmethodTeachingProcedure:Step1.Warmingup1.Freetalk2.ReviewthewordsofUnit4byplayingchessontheblackboard.Step2Leading-in1.Talkaboutsomepictures.2.WatchavideoandthenasktheSstoputthepicturesonthescreenintoarightorder.Step3ReadingTask1SkimmingReadthepassagequicklyandjointhemainideaforeachparagraph.Para.1a)ThearrivalofhumansandtheirimpactontheearthPara.2b)ThedevelopmentofplantsandanimalsontheearthPara.3c)AwidelyacceptedtheoryabouttheformationoftheuniversePara.4d)TheimportanceofwaterforlifePara.5e)TheformationoftheearthTask2ScanningReadthepassagecarefullyandthenfillintheblankswithdifferentkindsoflivingthings.精品学习资料可选择pdf第2页，共6页-----------------------\n学习必备欢迎下载Fillintheblankswithdifferentkindsoflivingthings.plantsanimalsSmallplantsinwater1________________shellfishandallsortsoffish2____________________4__________insectsgreenplantsonland3________________5__________amphibians7__________reptiles6_________forests8__________dinosaurs9__________mammalsTask3CarefulReading:Finishthesummaryaccordingtothetext:Afterthe“bigbang”,theearthwasstilljustacloudof_______,it_______loudlywithfireandrock,whichwere_____toproducethe_________,carbondioxideandothergases.Then________grew.Theymultipliedandfilledtheoceansandseaswith_____.Manymillionsofyearslaterthefirst________begantoappearonland.Whentheplantsgrewtoforest,_____appearedforthefirsttime.Theyproducedyounggenerallyby__________.Whendinosaursdisappeared,________becamemoreimportant.Task4PostReadingDiscussingroups.1.Whatproblemshavebeencausedbyhumanstotheearth?2.Howtoprotecttheearthandmakeitabetterplacetoliveon?Step4Homework1.SearchtheInternetfortheimformationofthedevelopmentoflife.2.Readthepassagecarefullyandtrytofindoutkeypoints.精品学习资料可选择pdf第3页，共6页-----------------------\n学习必备欢迎下载Period3Reading(2)Teachinggoals:1.Learntheusageofsomedifficultwordsandexpressions.2.Trainthestudents’abilitytoremovethedifficultieswhilereading.Teachingimportantpoints:Trainthestudents’abilitytocooperatewithothers.Step1Revision1.Checkupthehomework.2.Haveaquizofthewords.Step2.Languagepoints1.Itexplodedloudlywithfireandrock,whichwereintimetoproducethewatervapour.Whichleadsnon-restrictiveattributiveclause.intime:soonerorlater;eventuallyIwillseehimintime.Intime(forsth/todosth):notlateShewillbebackintimetopreparedinner.In/outoftime:in/notinthecorrecttime2.Whetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved.Tocome:servesasattributiveSheisthelastpersontodosuchathing.Dependon:somethingmightonlyhappenorbetrueifthecircumstancesarerightforitOursuccessdependsonwhethereveryoneworkshardornot.3.⋯bylayingeggs.lay-laid-laid-laying放,把......放在......;产卵Helaidhisbooksonthedesk.4.givebirthto1)生（孩子）She’sjustgivenbirthtoahealthybabygirl.她刚刚生了个健康的女婴。2)产生Theextraordinaryexperiencegavebirthtohislatestnovel.这段奇特的经历促成了他的最新的一部小说的诞生。5.Theyareputtingtoomuchcarbondioxideintotheatmosphere,whichpreventsheatfromescapingfromtheearthintospace.preventsth./sb.(from)doingsth.制止(防止)某人(某物)做某事Nothingcanpreventthisplanfrombeingcarriedout.6.⋯theearthmaybecometoohottoliveon.地球可能会因此变得太热而不适合生物的生存。Thequestionistoohardtounderstand.Step3Homework1.RecitePara5ofthispassage.2.DoEx.1and3onpage63.精品学习资料可选择pdf第4页，共6页-----------------------\n学习必备欢迎下载3.Previewthegrammarofthisunit.Period4GrammarTeachingAims:TolearnaboutNounClausesastheSubjectTodiscoverusefulstructures.Step1RevisionCheckupthehomework.Step2PreparationShowsomesentencesontheblackboard.a.Atreehasfallenacrosstheroad.b.Youareastudent.c.Tofindyourwaycanbeaproblem.d.Smokingisbadforyou.e.“Howdoyoudo?”isagreeting.f.Whatshesaidisnotyetknown.g.Thatweshallbelateiscertain.h.It’scertainthatweshallbelate.T:Whatpartdoestheunderlinedpartserveasineachsentence?Orfinditssubjectineachsentence.Step3Grammar1.Givethestudentssometimetofindthesentencesinthepassage.Thecollectanswersfromtheclass.2.Showtypicalexamplesofhowtomakeasubjectclause.GuidetheSstofindoutwhatchangeswehavetomakewhenwemakeasentenceorcombinetwosentencesusingsubjectclause.TeachershowstheexampleandSswritedownthesentences.3.Turntopage64.Readthefollowingpassagequicklyandfinishtheeightsentences.Step4Homework1.DoEx.2and3onpage29.2.FinisgEx.1onpage64.3.Preview“Usinglanguge”.精品学习资料可选择pdf第5页，共6页-----------------------\n学习必备欢迎下载Period5UsingLanguageandspeakingStep1RevisionCheckupthehomework.Step2Reading---Avisittothemoon1.PlaythetapefortheSstolisten.2.ReadthepassagecarefullyandthendescribethethreewaysinwhichgravitychangedforLiYanpingandhowhisweightchanged.3.Findoutthekeypoints.Step3SpeakingSpeakingonpage31Whatdoyouneedifyoutraveltothemoon?Sample:S1:Let’sthinkaboutwhatwewouldneedtoprotectourskinifwevisitedtheMoon.S2:I’dtakesomeskincream.Thatworksverywellwhenwegotothesea.S3:Yes,butit’sgoingtobemuchtoohottoputcreamonyourskinontheMoon.S4:What’smoreyougetdirectheatfromthesun.TherearenocloudsontheMoontoprotectyou.S3:Ohdear,andIalsohavetocarryoxygenaroundwithmeeverywherebecausethere’snooxygenontheMoon.S2:Whydon’twecarrytheoxygenonourbacksinatank?S1:Goodidea,butwon’tthathurtourskin?S4:Ithinkitwill.Whydon’twewearaspacesuitwhichhasthepossibilityofprotectingyourskinandhelpingyoucarrytheoxygenveryeasily?S1:Averygoodidea.Wealsoneedsomesunglassesasthesunwillbeasbadforoureyesasforourskin.S3:That’sright.Thehelmetofthesuitcanhavesunglassesyoucanuse.S2:Howwillthesuitprotectourskin?S4:It’ssohottheresoIsuggestwedesignsuitthatcansupplycoldwatersothewearerfeelscoolandhotwatertowarmusifwefeelcold.S2:Great!SoIwon’tneedsuncreamafterall.That’sgood!Step4HomeworkFinishtheexercisesof《EnglishLearners’Lighthouse》.精品学习资料可选择pdf第6页，共6页-----------------------