Unit-4-Astronomy教案.docx

Unit4Astronomy:thescienceofthestarsI二单元敦学目标技能目标SkillGoalsTalkaboutthescienceofthestars,thedevelopmentoflifeandspacetravelandgravity.Practisegivinginstructions.Practisetalkingabutproblemsinstudyorlife.1.earntouseNounClausesasthesubject.1.earn(owriteanessaytoshowyourproblemsandtheway(oovercomethem.II .目标语音Talkaboutthescienceofthestars,thedevelopmentoflifeandspacetravel功andg11vity能Wheredowccomefrom?句Howdid(heuniversebegin?式Whyistheuniversethewayitwas?Howwillitend?Howmuchdoyouknowaboutuniverse?Doyouwanttohaveaspacetravel?Doyouknowsomethingaboutgravity?Doyouknowsomethingaboutblackholes?PractisegivinginstructionsPleaselookat/listeno.Pleasecheckthat.Youneed.Pleasepayattentionto.Don,tforgetto.You'dbetter.Makesureyou.Watchoutfor.Youmustn't.PracticetalkingaboutproblemsinstudyorlifeMyproblemis.Thedifficultyis.Mytroubleis.Thequestionis.Myadviceis.WhatIthinkaboutitis.Tliefactis.Mysuggestionis.词汇I四会词汇astronomy,system,religiontheoryatombillionglobeviolentCarbOnatmosphereunlikefundamentalharmfulacidchainmultiplyoxygenexistthusdioxidepuzzlebiologybiologistgravitysatellitegentlephysicistclimatecrashspaceshippullfloatmass2认读词汇astronomer,biochemistry,geophysics,solar.BigBang,vapour,nitrogen,dissolve,amphibian,reptile,generally,mammal,global,comet.IssacNewton.AlbertEinstein,StephenHawking,lessen,wcighllcssly,cabin,exhaust,exclaim3msolarsystem,intime,layeggs,givebirthto,inone'sturn,carbondioxide,prevent.from,blockout.cheerup.nowthat,breakout.watchout语法NounClausesasthesubjectNounClausesasthesuectisalsocalledtheSubjectClause.ThatmeansaNounClauseservesasSubjectinthesentence.ThewordswhicharcusedinthisNounClauseare:that,whether,who.Wha1.which,when,where,how.why,etc.Example1. Whatitwasiobecomewasamystery.2. Itwasnotclearwhether(hesolidshapewastolastornot.III .教材分析与教材鼠1 .教材分析本单元以astronomy:thescienceofthestars,thedevelopmentoflife,spacetravelandgravity为话题，通过本堆元的几篇阅读材料使学生对以上问题有所了解，并通过文章中的,些探讨性的问题，比如,11Ieearthmaybecomethotforthelivesonit.Thenwhatwillourfuturebe?使学生更好地了解我们的地球和我们的生活环境，并引发对“地球的将来如何''的热情探讨，通过这些探讨激发学生对天文学r解和探究的剧烈爱好.通过探讨登月球须要的物品和可能遇到的困难学会提出问题和解决问题的表达方法，并能就此写出一篇表达合理思路清晰的短文。1.1 WARMINGUP以探讨的形式通过三组问题引导学生探讨边缘科学,探讨科学的方法以及要成为真正的科学家所必需驾驭的技能.1.2 PRE-READING主要让学生弄清晰什么是科学思想，什么是宗教信仰或文化传统。在探讨生命起源的科学道理之前，让学生以听故事或讲故事的方式，沟通有关宇宙的起源的种种传闻，既好玩味性，又能调动学生的相关学问，激活学生的思维。1.3 READING讲解并描述了地球上生命的起源,水的形成使得地球有别其他星球，它使得地球上生命的诞生成为可能。科学家认为，地球上的生命首先诞生于水中，上百万年后，陆地上才长出绿色植物.随后出现了陆栖动物和水陆两栖动物”最初的动物靠掇化繁衍后代，后来出现r哺乳动物，人类也随之诞生了。文卓:最终讲了令人深省的问题:Theearthmaybecometoohotforthelivesonit.1.4 COMPREHENDING通过四个选择填空题检测学生对本文核心问题的理解：地球上生命的起源和持续须要哪些条件？随后通过排序的方式帮助学生弄清本文的行文线索，也就是地球上生命的起源和发展历程。最终提出两个问题，考查学生的深以理解和推断实力.1.5 1.EARNINGABOUT1.ANGUAGE分词汇和语法两部分。其中，Discoveringusefulwordsandexpressions通过英文释意，短文填空.诃语分类和单项选择等练习让学生在语境中驾驭和运用词汇“Grammar采纳先发觉后应用的学习方法。先通过到课文中找句子，让学生.相识主语从句，然后，设置一个用一手机发短信息的情比，让学生进行简沽句与主语从句之间的转换练习。最终设置情景来更习表语从句。1.6 USING1.ANGUAGE由1.isteningReading和SpeakingandWriting三部分交互组合而成“指导学生在听和读的输入性学习之后，完成说和写的输出性应用练习。1.iSICning的内容介绍三位科学巨匠。不仅通过听力填表的形式训练学生捕获细微环节.的实力，还通过四选的方式帮助学生找主题思想。在说明对与错的过程中，老师可以适当的介绍一下概括主题的方法.Reading是一个科幻小故事，通过作者和作者的挚友乘宇宙飞船登月球的经验，介绍了重量、失重和地球引力等科学道理。SPeaking以ViSitingIhemOon为话题要求学生探讨登月球须要携带的物品和在月球上可能遇到的困难。Writing要求学生找出登月球可能遇到的三个困难并找出克服这些困难的方法。在听说读写综合提高的同时，培育了学生的创新意识和实践实力.2 .教材重组2.1 将Warmingup%Pre-reading«Reading和COmPrehending四部分整合在起上一节阅读课.2.2 将1.eaningaboutlanguage和Workbook中的UsingWordsandexpressions以及USingStrUClureS整合在起上一节语法课。2.3 听力USinglangUage中的1.isteningWOrkboOk中1.iSlCning和1.iSICningtask三部分话题较为接近，其中1.iStCning部分是介绍三位对地球引力的相识做出巨大贡献的科学伟人.在提i听力的同时，为下文的Reading部分作/铺垫.WOrkboOk中1.istening是关于轰动一时的航天英雄杨利伟的故事。通过听力练习，让学生了解作为宇航员所须要哪些素养。而1.iSteningtask中的听力则是向学生展示SPaCeIraVel的潜在价值。既然部分都在淡论与AsIrOnomy有关的内容，所以放在一起处理比较合适。2.4 把Using1.anguage中的Speaking和Workbook中的Talking和Speakingtask放在一起整合成一节口语训练课。这几部分涉及到本单元的功能句，指导学生学会如何思索须要的东西，怎样给别人以指示以及如何向别人问问题。2.5 泛读是把USiiIglanguage中的Reading和WOrkbOOk中的Readingtask整合在,起。这两部分利用sciencefictionstorj,向读拧说明gravity和blackhole.2.6 写作练习是把Usinglanguage中的Writing和Workbook中的WritingTask以及Project整合在一起上一堂写作练习课。3 .课型设计与课时安排（经教材分析，本单元可以用6课时教完）1stPCriodIntensiveReading2ndperiod1.anguagestudy3rderi<xl1.istening4thperiodExtensiveReading5thperiodSPeaking6thperiodWritingIV.分课时教案TheFirstPeriodIntensiveReadingTeachinggoals教学目标1. Targetlanguage目标语言重点词语：theory,atom,billion,globe,violent,carbon,atmosphere,fundamental,harmful,acid,multiply,oxygen,exist,prevent,dioxide2. bilitygoals实力目标a. EnableSstotalkaboutthescienceofthestars,hedevelopmentoflifeandspacetravelandgravity.WheredoWecomefrom?HowdidlhcUniVCniCbegin?Whyistheuniversethewayitwas?Ilowwillitend?Howmuchdoyouknowaboutuniverse?Doyouwanttohaveaspacetravel?Doyouknowsomethingaboutgravity?b. Understandthetextandanswerthefollowingquestions:Whatwasthereontheearthbeforelifecouldbegin?Whydoscientiststhinktherehasneverbeenlifeonthemoon?Whydidanimalsfirstappearintheseas?Whydidgreenplantshelplifetodevelop?Whyweremammalsdifferentfromotheranimals?c. EnabletheSstounderstandthedetailsaboutthepassage,choosingthecorrectansweraccordingtothetextandputtheorderofdevelopmentoflifeintoatimelineandanswerquestions.d. Retellthepassageusingkeysentences.3. learningabilitygoals学能EI标EnableSstolearnhowtotalkaboutthebeginningoflifeontheearth.leachingimportantpoints教学重点a. Talkaboutthebeginningoflifeontheearth.Whydidanimalsfirstappearintheseas?Whydidgreenplantshelplifetodevelop?b. Discussihcorderofdevelopmentoflife.leachingdifficultpoints教学难点a. Understandthebeginningo11ifeontheearth.b. Discussthequestions:Whatwillourfuturebeiftheearthmaybecometoohotforthelivesonit?Whyarehumansthecleverestanimalsontheearth?Teachingmethods教学方法a. Skiimningandscanning.b. Asking-and-answcri11gactivityloChCCkihcSs,understandingofthetext.c. Individual,pairorgroupworktofinisheachtask.d. Discussion.Teachingaids教具打算Arecorder,acomputerandaprojector.Teachingprocedures&ways教学过程与方式Step1PresentationT:Hello,everyone!Todaywe,llcometoUnit4Astronomy.BeforethatIhaveaquestion:WheredoweCOmCfrom?OrWCCansay:Whoarcourancestors?51: Monkeys!52: BeijingRenwholivedmanyyearsago.53: Reptiles.54: Mammals.55: Amphibians.56: Dinosaurs.T:VCrygood!Canyouputtheminrightorder?57: Amphibians,Repiiles,Dinosaurs,Maminals9BeijingRen.T:Doyouknowwhalitwaslikebeforelifeappearedonearth?58: Itwasfullofwater,perhaps.T:Beforethat,whatwasilike?59: Sorrjf.Idon'tknow.:Doyouwanttogetmoreinformation?Ibdaywe,lllearnsomethingaboutHow1.ifeBeganonlhcEarth.TumtoPage25.1.et'scometoWarmingupfirst.Step11Warmingup1. Readthethreequestions,whileIhestudentslistenandfollow.2. GivetheSsscvc11lminutestodiscusslhcquestions.3. Collectanswersfromthewholeclass.4. CheckIheanswerswhilediscussing.T:ilreadthethreequestionsforyou.Youshouldlistentomecarefully.(Ifstudentsdon,tknowhowodiscuss,showthemanexample.)Forexample,medicine.Whensomeonegetsseriousillness,hewillgotolhchospital.Thedoctorwillexaminehim.Hewilltakehistemperature,measurehisbloodpressureandgivehimanX-ray.oraCT.ForthewholePrOCesSoftheexamination,whalkindOfsciencehasbeenused?SI:Biology.52: Chemistry.T:SowecansaymedicinecombinesbiologyandChCmiStry.Whalaboutbiochemistryandgeophysics?53: Ithinkbiochemistrycombinesbiologyandchemistry.54: Geophysicscombinesgeologyandphysics.T:Whataboutastronomy?55: Physics.56: Mathematics.T:Verygood.WcshouldknowthatastronomyisamultidisciplinarysubjectandifwcwanttodoSOlneresearchonit.weshouldknowmanysciencesubjectsrelatedtoit.Nowdiscussthesecondquestion:Whatdowcmeanwhenwcsaywcarcstudyingasubjectscientifically?Orwhat,sthecorrectattitudetowardsscience?57: WCshouldbeobjective,notsuperstitious.T:What'sthecorrectwaytoproveascientificidea?58: Weshoulddesignexperimentstotestitforseveraltimes.59: Thenwccananalyzetheresultsanddrawaconclusionatlast.T:1.et'ssumuptheanswers.,Ibstudyasubjectscientifically,wemusttrytobeobjective.Inordertotestouridea,wcshoulddesignexperiments,thenanalyzetheresultsanddrawaconclusion.Nowlet'stalkaboutthethirdquestion.Whaiarethenosimportantskillsweneedtoberealscientists?510: Wcshouldbevcrj,careful.511: Beobjectiveandlogical.512: Weshouldbewiseenoughtodesignanexperimentandwritethereportsclearly.513: Wcshouldbeabletodrawconclusionsfromtheexperimentsandnotimposeconclusionsonthedata.T:Ithinkyouhavedonegreatwork.Fromthediscussionwcknowthatil,snoteasytobeascientist.Soyoushouldworkharderifyouwanttobeascientist.StepUIPre-readingGcltheSstodiscussthequestionsonPage25withtheirpartners.ThenasktheSstotelltheirstories.EncouragetheSstotelldifferentstories.Iftheydon'tknowany.tellthemsome.T:Nowplease100kattheslideshow.Anddiscussthesequestionswithyourpartners.Thenllasksomestudentstotellustheirstories.Areyouclear?Ss:Yes,Sir/Madam.Day3:GodspokeandcreateddrylandDay4:Godsxkeandcreatedthesun.moonandstarsDay5:Go<lspokeandcreatedlivingcreaturesintheairandseaDay6:GodspokeandcreatedthelandanimalsandmanDay7:GodrestedandblessedthisdaycallingitHolyIndiaBrahmahascreatedtheworldmanytimes.Thiscreationisrepeatedevcrjfouragesoryugas.Therearefouryugasinoneeonorkalpa.InthebeginningofeachkalpatheworldisaWaICrychaos.sBrahinathoughtbeingswerecreated.'I-hedemonswerecreatedbyawindfromhisrectum.Aftercreatingthedemonshediscardedhisbodywhichbecamenight.Hcassumedanewbodyandoutofhismouthcametheshininggodsordevas.Thisbodywasalsodiscardedandbecameday.Withhisnextbodyhecreatedancestorspirits.WithhisfourthbodyBnihmacreatedhumanbeings.Thisdiscardedbodybecamethemoon.WiththefifthbodyBrahmahadastrangethoughtandhecreatedogres,terriblecreaiuresthatwantedtodevourthePrinM)rdialseaofchaos.Inshockatwhathehaddonehethencreatedghouls.Finallyheregainedhissensesandcreatedbirds,mammals,plantsandalltheotherlifethatweseetoday.JapanInthebeginningtheworldwaschaosuntiltheheavenandearthseparated.WhenthisseparationoccurredtheThreeHighDeitiescreatedtwoprinciples,thepassive,IzanamiortheFemale,andtheactive.IzanagiortheMale.Itwasthesetwopeoplewhoarcourancestors.Inthebeginningtheheavenandtheearthwereone.Tl>eIn(Yin)andYo(Yang)hadnotbeenSCParaICd.Allthatexistedwaschaosinihcformofanegg.Thiseggcontainedtheseedsofthecreation.Heaven,beingmadeofthepurerportionofthesubstanceroseandtheearthbeingheavierdidnot.Astheheavenrose,theislandsbegantobeformed.1.aterastrangeplantgrewbetweenheavenandearthwhichbecameagreatmalegod.Twoadditionalmalegodsfollowed.Tliesethreewereformedbythewillofheaven.FollowingthissixdeifieswereformedandIhcnIzanagi(themale)andIzanami(thefemale).IzanagiandIzanamiwerethefirstancestors.heythrstdownthejeweledspearofheavenintothesea.stheyliftedthespeartheliquidonthelipIbnnedtheislandsofJapan.EuropeCelticThereweregiantsinthepast.Thesegiantsweretheg<xls.Duringthefirstwinteralargegiantwasmadefromthehoarfrost.Whenthisgiantwasexposedtofirehenaturallymeled.Thebodyofthisgiantbecame(eworld.Hishairbecametheforests.Hisskullbecamethesky.Hisbkxxlproducedthesea.Hisbonesproducedthemountains.Inthemiddleoftheearthonhighmountainslivethegods.SouthAmeliCaIncaTheIncasworshipedagodnamedPachacamac.alsoknownasViracocha.Thisgodhadoriginallyrisenfromthewaterof1.ake,11ticacaandcreated(hestars,planetsandthemoon.Pachacamaccreatedeverything,includingpeople,outofclay.Becausehefeltsorrj,forhumans.Pachacamacsenthisdaughter,themoongod.toteachhumanshowtobuiklhouses,growcropsandmakeclothes.TechildrenofPachacamaclivedatlakeTilicacabutcouldtravel.WhentheytraveledIhcywererequiredtostickintothegroundagoldenrodtheyreceivedfromtheirfather,Pachacainac.Eachtimethishappened(ehumanswouldbuildacity.T:Arctheyinteresting?Thoughtheyarcinteresting,theyareonlylegends.Wcshouldbelieveascientificidea.Whal'sascientificidea?52: ItshouldbeanideacomingfromSCiCntifICtheory.T:Quiteright.Nowwe'llcometoReading.That,sascientificidea.StepIVReadingReadthepassagecarefullyandanalyseitsstructure.Writedownthemainideaforeachparagraph.Para.1:AwidelyacceptedtheoryabouttheformationoftheuniversePara2:TheformationoftheearthPara.3:TheimportanceofwaterforlifePara.4:ThedevelopmentofplantsandanimalsontheearthPara.5:ThearrivalofhumansandtheirimpactontheearthReadingandanswerthequestions.1. Whywastheea11hdifferentfromotherplanets?Thewaterremained.2. Whywaslifeabletodevelopontheearthbutnotonotherplanets?Thewaterstayedontheearthbutnotonotherplanets.3. Whywasitnecessaryforplantstogrowbeforeanimals?Plantsprovidedoxygenforanimals(obreathe.4. WhatPrObICnIiscausedbyhumanbeings?heycauseglobalwarming.5. Whyisitwronginfilmsandstoriestoshowdinosaursandpeopletogether?Becausedinosaursdiedoutlongbeforehumanbeingsdevelopedon(heearth.6. Whydoyouthinkthathumansarethecleverestanimalsontheearth?Theyarc(hecleverestanimalsbecausetheyhavelargerbrainsthananyothercreatureontheearthsofar.7. Whyisi(wronginfilmsandstoriestoshowdinosaursandpeopletogether?Becausedinosaursdiedoutlongbeforehumanbeingsdevelopedontheearth.8. Thereusedtobenineplanetsinthesolarsystem.RecentlyM:ientistshavedecidedthatoneofthemcannolongerbeconsideredaplanet.Doyouknowthenameofthatplanet?Doyouknowwhytheyremovedit?Pluto.Scientistsnowthinkitis100smalltobecalledaplanet.Analyzehowlifebeganonearth.1.istening1.istenothetapeforestudentstofollowandhaveur(herunderstandingofthepassage.,:Readafterthetape,thenanswermesomequestionswithyourbookclosed.PlaythetapeT:Howdidwatercomeintobeingontheearth?Ifonestudentcan,tanswercompletely,asktwoorthreeormorestudents.Ss:Theexplosionoftheearthproducedwatervapor,whichIurncdintowalerwhentheearthcooleddown.:Whyiswaterimportantontheearth?Ss:Becausewalerallowedtheearthtodissolveharmfulgasesintotheoceansandseas.,:No.3.finishthefollowingform.Keytotheexercise:2.shellfishandallsortsoffish5.amphibian(onlandandinwater)7.reptiles(onland)8.dinosaurs(onland)9.mammals(onland)T:Thal'sallforthispassage.Nowlet,sdealwithsomelanguagepoints.PassageAnalyzing6forestsChartofthetextHowIitcbeganonIhCearthwater>IsmallPIanISinwaler2shellfishandallsortsoffish3greenplantsonland7reptiles(onland)10.smallcleveranimals8dinosaurs(onland)9mammals(onland)withhandsandfee(4insccts(onland)5amphibians(onlandandinwater)11.humanTextRetellingRetellthetextusingabout100words.Notes:UseIhetwoquestionsandthecharttoretellthepassage;thepossibleversionbelowcanbeusedasanaicrialforbothretellinganddictatin.Retelling:TheexplosionoftheearthPrOdUCedwalervapour,whichturnedintowalerwhentheearthclcddown.Waterallowedtheearthtodissolveharmfulgasesintotheoceansandseas.Thatmadeitpossibleforlifetobegintodevelop.Thearrivalofsmallplantsencouragedthedevelopmentofearlyshellfishandallsortsoffish.Manymillionsofyearslaterthefirstgreenplantsbegantoappearonland.1.aterlandanimalsappeared.Somewereinsects.Others,callbeginningwithtwoquestionssoastoarousehcreaders'strongcuriosityandinterest.2)I-hepassagetellsthereadersthescientificideainorderoftime.Watermadeeverythingpossibleontheearth.Thenallkindsof