2023學(xué)年完整版高中英語(yǔ)1Module5ALessoninaLabModule5AL

Module5ALessoninaLab教案Ⅰ.模塊教學(xué)目標(biāo)技能目標(biāo)SkillGoals▲Prepareareportonasimplescientificexperiment▲Learndegreesofcomparison▲Learnwordsandexpressionsofsequence▲Understandanddescribeasimplescientificexperiment▲TalkaboutnumbersⅡ.目標(biāo)語(yǔ)言功能句式WordsandexpressionsofsequenceFirst,putthemagnesium...Thenputthecrucible...Next,IlighttheBunsenburner.Afterthat,Ihold...Lastly,weneedtoweigh...EverydayEnglishWheredowegofromhere?Keepthenoisedown.You’vegotit!It’syourturn.Goahead!Definitely!詞匯1．四會(huì)詞匯liquid,expand,contract,substance,mixture,oxygen,electricity,stage,conclusion,aim,reaction,electrical,equipment,react,partial,rust,boil,ordinary,steam,float,form,dissolve,flame,facility,lecture,department,astonished2．認(rèn)讀詞匯potassium,sodium,calcium,magnesium,aluminium,zinc,copper,oxide,balance,tongs,crucible3．詞組add...to...,usedto,intheareaof,beproudof,besupposedto語(yǔ)法ComparativestructuresThisroomistwiceaslargeasthatone.Thisroomisfourtimeslargerthanthatone.It’sgettingbrighterandbrighter!Thecloseryouare,themoreyou’llsee.Adverbsusedtomodifycomparativedegreealittle,abit,alot,rather,no,any,(very)much,lots重點(diǎn)句子1.Itishardtothinkofaworldwithoutmetals.2.Itisimportanttoknowhowtheyreactwithdifferentsubstances,forexample,waterandoxygen.3.Thismakessurethereisnoairinthewater.4.Thesciencefacilitiesareverygood,withlaboratoriesthathaveallthelatestequipment.5.asthelecturersarepeoplewhohavemaderealdiscoveriesintheirareaofscience.6.TheyalwaysthoughtIwouldbecomeanEnglishteacher!Ⅲ.教材分析與教材重組1.教材分析本模塊以“ALessoninaLab”為話題，旨在通過(guò)模塊教學(xué)，使學(xué)生了解一些基本的科學(xué)實(shí)驗(yàn)知識(shí)，學(xué)會(huì)怎樣寫(xiě)實(shí)驗(yàn)報(bào)告，并掌握一些相關(guān)的詞匯與短語(yǔ)，激發(fā)學(xué)生對(duì)科學(xué)的興趣。此外還要求學(xué)生學(xué)會(huì)讀一些大的整數(shù)、分?jǐn)?shù)及小數(shù)。從文化的角度來(lái)看，鼓勵(lì)學(xué)生了解國(guó)外有關(guān)科學(xué)教學(xué)的情況，以擴(kuò)大學(xué)生的知識(shí)面，從而激發(fā)他們的學(xué)習(xí)興趣。1.1INTRODUCTION這部分由三個(gè)內(nèi)容組成。通過(guò)聽(tīng)材料，歸納詞語(yǔ)和回答問(wèn)題這三個(gè)形式來(lái)完成本部分所涉及到的與科學(xué)、實(shí)驗(yàn)有關(guān)的詞語(yǔ)的練習(xí)，為以后的各項(xiàng)活動(dòng)做好準(zhǔn)備。1.2VOCABULARYANDSPEAKING這部分設(shè)計(jì)了一些數(shù)字，包括整數(shù)、分?jǐn)?shù)和百分?jǐn)?shù)，并通過(guò)一些練習(xí)讓學(xué)生熟悉并正確使用英語(yǔ)數(shù)字的讀法。1.3GRAMMAR1這部分介紹了形容詞比較級(jí)中有關(guān)倍數(shù)的兩種主要用法：...times...than...和...timesas...as...,并通過(guò)對(duì)比練習(xí)來(lái)加強(qiáng)學(xué)生對(duì)這一用法的了解。1.4READINGANDVOCABULARY這部分由兩篇短文組成。PassageA介紹了金屬在生活中的重要性，并列舉了一些金屬在氧氣、水及蒸氣中的反應(yīng)及其結(jié)果。PassageB介紹了ASimpleScientificExperiment，要求學(xué)生學(xué)習(xí)如何描述或?qū)懸粋€(gè)科學(xué)實(shí)驗(yàn)報(bào)告。通過(guò)對(duì)這兩篇文章的學(xué)習(xí)，學(xué)生還可以學(xué)會(huì)一些科學(xué)詞匯，有助于今后閱讀一些相關(guān)的文章。1.5VOCABULARY該部分介紹了帶分?jǐn)?shù)的讀法，及一些實(shí)驗(yàn)儀器的詞匯，并配有相關(guān)練習(xí)。1.6LISTENINGANDWRITING這部分聽(tīng)力的內(nèi)容是實(shí)驗(yàn)中的師生對(duì)話。我們可以將此作為對(duì)閱讀內(nèi)容在語(yǔ)言技能上的補(bǔ)充。聽(tīng)力問(wèn)題的設(shè)計(jì)本身已經(jīng)顯示了做聽(tīng)力練習(xí)的技巧。1.7GRAMMAR2這部分繼續(xù)介紹形容詞和副詞的比較級(jí)。主要是以下三種：1）表示“越來(lái)越……”；2)表示“越……越……”；3)表示程度的副詞(much,alittle等)+形容詞和副詞的比較級(jí)。1.8PRONUNCIATION這部分介紹了英語(yǔ)中特殊疑問(wèn)句和一般疑問(wèn)句的語(yǔ)調(diào)，并要求學(xué)生能正確朗讀。1.9EVERYDAYENGLISH這一部分介紹了五個(gè)日常用語(yǔ)，要求學(xué)生明確其意義、所用場(chǎng)合，并能正確使用。1.10FUNCTION次序的問(wèn)題是寫(xiě)作中應(yīng)注意的一個(gè)重要環(huán)節(jié)。這一部分要求學(xué)生掌握f(shuō)irst,next,afterthat,lastly在文段中的運(yùn)用以及與之相關(guān)的標(biāo)點(diǎn)符號(hào)的用法。1.11CULTURALCORNER該部分閱讀材料引用了加拿大一個(gè)中學(xué)生的文章，介紹了國(guó)外理科教育方面的一些信息，以擴(kuò)大學(xué)生的知識(shí)面。1.12TASK這一部分是對(duì)本模塊的一個(gè)復(fù)習(xí)與運(yùn)用。要求學(xué)生能夠使用所學(xué)詞匯及實(shí)驗(yàn)報(bào)告的知識(shí)來(lái)寫(xiě)一篇簡(jiǎn)單的實(shí)驗(yàn)報(bào)告，并要求學(xué)生注意報(bào)告的內(nèi)容應(yīng)包括Aim,Equipment,Method,Result和Conclusion。1.13MODULEFILE這一部分集中展示了本模塊的學(xué)習(xí)內(nèi)容。2.教材重組2.1將INTRODUCTION和READINGANDVOCABULARY整合成一堂閱讀課。2.2將VOCABULARYANDSPEAKING,LISTENINGANDWRITING和WORKBOOK中的Listeningandspeaking整合成一堂聽(tīng)說(shuō)課。2.3將VOCABULARY,GRAMMAR1和GRAMMAR2整合成一堂語(yǔ)法課。2.4將CULTURALCORNER與WORKBOOK中的Reading整合成一堂泛讀課。2.5將PRONUNCIATION,FUCTION,TASK,EVERYDAYENGLISH與WORKBOOK中的Speakingandwriting整合成一堂寫(xiě)作課。3.課型設(shè)計(jì)與課時(shí)分配1stPeriod Reading2ndPeriod ListeningandSpeaking3rdPeriod Grammar4thPeriod ExtensiveReading5thPeriod WritingⅣ.分課時(shí)教案TheFirstPeriodReadingTeachinggoals教學(xué)目標(biāo)1.Targetlanguage目標(biāo)語(yǔ)言a.重點(diǎn)詞匯expand,contract,conclusion,method,liquid,solid,iron,mixture,oxygen,electricity,aim,equipment,react,result,steam,substance,boil,float,form,dissolve,rustb.重點(diǎn)句式Itishardtothinkofaworldwithoutmetals.Itisimportanttoknowhowtheyreactwithdifferentsubstances,forexample,waterandoxygen.Thismakessurethereisnoairinthewater.2.Abilitygoals能力目標(biāo)Enablethestudentstodescribeascientificexperiment.Enablethestudentstolearnsomewordsconcerningscientificexperiment.3.Learningabilitygoals學(xué)能目標(biāo)Helpthestudentslearnaboutthestepsofasimplescientificexperimentsothattheycandescribeasimilarone.Teachingimportantpoints教學(xué)重點(diǎn)Helpthestudentslearnhowtodescribeasimplescientificexperiment.Teachingdifficultpoints教學(xué)難點(diǎn)HelpthestudentsunderstandthetwotablesofPassageAandPassageB.Teachingmethods教學(xué)方法Listening,readinganddiscussing.Teachingaids教具準(zhǔn)備Acomputer,aprojectorandarecorder.Teachingprocedures&ways教學(xué)過(guò)程與方式StepⅠLead-inThepurposeofthispartistoletthestudentsknowandgetfamiliarwiththenewwordsinINTRODUCTION:expand,contract,mixture,substance,oxygenandelectricity.First,writedownthewordsontheblack-board,andthenteachthemthemeaningofeachwordbyquestioning.T:Hello,everyone!DoyouknowtheprogramLucky52onCCTV?Ss:Yeah!T:OK,nowsupposeI’mLiYong,andyouarecompetitors.Herearesixwordsontheblackboard.Whatyoushoulddoistoguessthemeaningsofthem.Ifyoucan’texpresstheminEnglish,youmaysayinChinese.Thequicker,thebetter.Areyouclear?Ss:Yes.T:Listen.Whatdowetakeinwhenwebreathe?S1:Air.T:Right.Butnotexact.S2:氧氣。T:Right.InEnglish,itiscalled“oxygen”.Weneedoxygentokeepalive.Andwithoutit,therewillbenolifeonthisplanet.OK,anotherquestion.Whatdowecallitwhenweputsugar,eggs,andmilktogether,orwemixthemtogether?S2:Wecallitmixture.T:Good.Allthethingsthataremixedtogethercanbecalledmixture.Nextone,wecanuseonewordtostandforallthethingsaroundus,whichincludesair,water,stone,wood,glass,ironandsoon.Whatisthisword?S3:Substance.T:Right.Next,whatwillhappenwhenwaterturnsintoice?S4:Liquidwillturnintosolid.T:Right.Besidesthis,willithavesomechangeinsize?S5:Yes.Itwillbecomelarger.T:Yeah!Whatdowecallthischange?S6:It’scalled“expand”.Teachercanusebodylanguagetoexpressthemeaningof“expand”.T:Now,thelastone.What’stheoppositemeaningof“expand”?S7:Isit“contract”?T:Youareright.Themeaningof“contract”ismakingorbecomingsmallerorshorter.Well,Ithinkthatallofusdidverywell.NowpleasereadthesewordsaftermeStepⅡVocabularyAskthestudentstoreadthesentencesinActivity1onpage41,andthenpickoutthecorrectones.Atthesametimeaskthemtopayattentiontothenewwords.AtlastchecktheanswerstoActivity1withthewholeclass.ForActivity2,askthestudentstoworkinpairstofinishthetask.Ifpossible,askthemtogivetheirrea-sonsfordoingso.ForActivity3，givethestudentsmorewordstohelpthemknowthatmaterialsarearoundallofus,andweshouldusethemcorrectlyandreasonably.T:Asthesayinggoes:Birdsofafeatherflocktogetherorthingsofonekindcometogether.Nowwe’llputthewordsinActivity2inpairsorgroups,justlikethepairsinExample.Ifpossible,giveyourreasonstodoso.Itisagoodchanceforustogetfamiliarwiththesewords.OK,I’llgiveyouoneortwominutestodothejob.Twominuteslater.T:Haveyoufinishedthetask?Ss:Yes.T:Who’dliketoreadoutyouranswers?S1:We’dliketoputair,gasandoxygentogether,becauseallofthemaregas.Andweputearth,sunandmoontogether,becauseallofthemareplanets.T:Quiteright.Howaboutyoutwoboys’answers?S2:Weputgas,liquid,andsolidtogether,becausewethinktheyarethethreestatesofsubstance.Andwealsoputcontractandexpandtogether.Thetwowordshaveoppositemeanings.T:I’mverygladthatyoucanfinishthetasksoquicklyandcorrectly.Well,allofusknowthatwearelivinginamaterialworld.Withoutthesematerials,whethernaturalorman-made,we’llhavenothingtoeat,tolivein,touse,towearandsoon.Now,let’slookatthesewords:electricity,iron,metal,steel,air,andglassinActivity3.Youhavetotellwhichofthemarenatural,whichofthemareman-madeandwhichofthemcanbeboth.S3:Air,ironandsomemetalsarenatural.Steel,somemetalsandglassareman-made.Andelectricitycanbeman-madeandnatural.T:Whydoyouthinkelectricityisbothman-madeandnatural?S3:Becauseinastorm,wecanseelighteninginthesky.Whiletheelectricityweareusingineverydaylifeisfromelectricworks.SoIthinkelectricityisbothman-madeandnatural.T:Well,it’sagoodanswer.OK,canyousaysomeotherthingsthatareman-made?Ss:Therearetoomanysuchthings.T:Giveussomeexamples.S4:Cars,machines,man-madesatellites,plasticsandsoon.T:Doyouknowman-madebeauty?S6:Iknowit.Someordinary-lookinggirlscanbecomebeautifulovernight.T:Doyouthinkitisnecessarytodoso?S7:It’sdifficulttosay.ButIthinktohaveabeautifulmindismoreimportantthantohaveabeautifulappearance.T:Iagreewithyou.Itissaidthatawomanwithabeautifulmindismorebeautifulthanawomanwithaprettyface.StepⅢReading(PassageA)Therearethreeactivitiesinthispart:Activity1:findthecorrectordertodescribethestagesofascientificexperiment;Activity2,findthebesttitleforthepassage;Activity3,answersomequestionsaboutthepassage.Task1:Activity1T:Well,ifyouwereanengineer,youwouldtakepartintheexperimentofmakingShenZhouⅤFlight.Whatkindofmaterialswouldyouliketouse?S1:I’dliketousesomematerialsthatarelightenoughandhardenough,sothattheflightcanbeeasilysentupintospace,anddoesn’tgetintrouble.T:Howcanwefindsuchkindofmaterials?S2:Wecandosomeexperiments.Wecan’tusenaturalmaterialsonly;weneedbothman-madeandnaturalmaterials.T:That’sright.Nowwe’llreadapassageaboutascientificexperiment.Pleaseturntopage44.We’llgothroughPassageA.Whenwearedoingathing,weshoulddoitinanorderlyway.It’sespeciallytruewithascientificexperiment.Nowlet’sseethefourwordsinthetable:conclusion,aim,resultandmethod.Thefourwordsareabouttheordersorstagesofascientificexperiment.Wemustknowthesetwowords:resultandmethod.Whatarethemeaningsoftheothertwowords?S3:“Aim”shouldbeaboutwhattheexperimentisfor.For“conclusion”,Ihavenoidea.T:Right.“Aim”meanspurposeorobject.Forexample,hehasonlyoneaiminlife,thatis,tobeamillionaire.Andfor“conclusion”,let’sseeanexamplefirst,whenyouhaveworkedonamathsproblemforalongtime,butyoustillcan’tworkitout.Soyoumaymakeaconclusionthattheproblemiswrong.Here,“theproblemiswrong”isyourconclusion.Doyouunderstand?Ss:Yeah!T:Nowwhocangiveussomeotherexamplestoshowthemeaningof“aim”?S4:Manypeopleaimtobeamillionaire.ButIthinktoservepeopleisthehighestaim.T:Whatisthecorrectorderofstagestodoanexperiment?Ss:Itshouldbeaim,method,resultandconclusion.T:That’sright.Withoutaim,wedon’tknowwheretogo;withoutmethod,wedon’tknowhowtodothingswell;withoutresult,we’lldrawablankorgainnothing;withoutconclusion,we’llfindwhatwe’vedoneisworthnothing.Task2:Activity2AskthestudentstoscanPassageAandfindthebesttitleforthepassage.T:PleaselookatActivity2.WhatyoushoulddoistoscanPassageAanddecidewhichisthebesttitleforthepassage.Givethestudentssometimetodothejobandthenchecktheanswer.T:Well,what’sthebesttitleforthepassage?S4:TheReactionofMetals.T:Why?S4:Thewriterbeginsthepassagebyintroducingthedifferentusesofdifferentmetals.Butfortherestpartofthepassage,includingthetable,he/shemainlydescribesseveralmetals’reactionwithdifferentsubstances.T:Whatagoodreasonitis!Now,let’slookatActivity3.Task3:Activity3Askthestudentstoreadandanswerthequestionsbelowthepassage.Givethemsometimetodothejob.Afterthat,checktheanswerswiththewholeclass.StepⅣReading(PassageB)Inthispart,thestudentswillreadthepassageandthenfillinthetablebelowthepassage.TherearethreeTasksinthispart.Thefirstoneistoaskthestudentstofindthestructureofthepassageandfinishthetable.ThesecondoneistodealwithActivity5.ThethirdoneistofinishActivity6.Task1:StructureofthepassageT:Now,we’llcontinuetoreadPassageB.ThetitleofitisASimpleScientificExperiment.Fromthepassagewecanseehowtheexperimentisdone.Whatisthestructureofadescriptionofexperiment?Whocancometotheblackboardtowritedownthestructure?S:Letmetry.Astudentcomestotheblackboardandwritesdownthestructure.ASimpleScientificExperiment:Introduction→Aim→Apparatus→Method→Result→ConclusionT:OK.Weshouldnoticethatthereare3differentreactionswhicharerespectivelydescribedwithmethod,resultandconclusion.Now,pleasereadthepassageandthenfillinthetable.Letthestudentsdothejob,andthenchecktheanswerswiththewholeclass.T:Well,whatisordinarywateraccordingtotheexperiment?S6:Ithinkordinarywaterheremeansthewaterthathasnotbeenboiled,andhasairinit.T:Right.Wealsocallordinarywater“rawwater”.Nowwhat’s“Bunsenburner”?Weoftenfinditinlabs.Now,turntopage46,andfindthepictureofBunsenburner.Task2:Activity5T:Nowpleaseturntopage46.LookatActivity5.ReadPassageBagain.Completethesentences.Afterthestudentsfinishthesentences,asksomeofthemtoreadoutthecompletesentencesandchecktheanswerswiththewholeclass.Task3:Activity6Thispartisaboutvocabularystudy.Letthestudentsreadaftertheteacher,andthenworkinpairstofindthemeaningsofthenewwords.Explanationsofsomewords:React:haveeffecton(ofonesubstanceappliedtoanother)Steam:gasfromboilingwaterOil:liquidwhichdoesnotmixwithwater,obtainedfromanimals,plantsorfoundinrockunder-groundBoil:(ofwaterorotherliquid)reachthetemperatureatwhichchangetogasoccursScientific:of,for,connectedwith,usedinscienceExperiment:testcarriedoutcarefullyinordertostudywhathappensandgainnewknowledgeFloat:beheldupinair,gasoronthesurfaceofliquid;movewithliquidorairForm:giveshapeorformto;make,produceDissolve:(ofaliquid)soakintoasolidsothatthesoliditselfbecomesliquidStepⅤLanguagePointsAskthestudentstotranslatethefollowingsentences,andgetfamiliarwiththesentencestructures.Showthefollowingsentencesonthescreen.1.Itishardtothinkofaworldwithoutmetals.2.Itisimportanttoknowhowtheyreactwithdifferentsubstances,forexample,waterandoxygen.3.Thismakessurethereisnoairinthewater.T:Beforewefinishthisclass,let’slookatthescreen.Therearethreesentencesonit.CanyoutranslatethemintoChinese?LetthestudentstranslatethesentencesintoChinese.T:OK.Infact,thesesentencesinvolvetwosentencestructures.Oneis:itis+adj.+todosomething.Theotherisanobjectclause.Nowlet’slookatmoresentencestogetfamiliarwiththetwosentencestructures.Writedownthestructuresontheblackboardandthenshowthestudentsmoresentencesonthescreen:1.It’shard(difficult)tosaywhichisbetter.2.It’sfoolish(silly)toactlikethat.3.It’seasytolearnaforeignlanguage.4.It’simpossibletofinishthejobinoneday.5.It’swrongtosteal.6.Ionlycametomakesurethateverythingwasallright.7.Fathermakessurethatallthelightsareoffbeforehegoestobed.8.Makecertainthatyourfactsareright.9.Wemustmakecertainthatshecancome.Letthestudentstranslatethesentences.Iftheyhaveanydifficulty,givethemsomehelp.StepⅥHomeworkT:Today,wehavelearnedsomenewwordsandtwopassagesaboutscientificexperiment.Afterclass,pleasedoExercises6,7and8onpages92&93.Theseexercisescanhelpusrememberthenewwordsandexpressionsaboutscientificexperiment.OK,that’sallfortoday.Seeyounexttime.Ss:Seeyou.TheSecondPeriodListeningandSpeakingTeachinggoals教學(xué)目標(biāo)1.Targetlanguage目標(biāo)語(yǔ)言Englishnumbers2.Abilitygoals能力目標(biāo)HelpthestudentstoreadandwritesomeEnglishnumberscorrectly.Helpthestudentsfindthemainpartsofanexperimentwhiletheyarelistening.3.Learningabilitygoals學(xué)能目標(biāo)Helpthestudentsknowtherulesofexpressingnumbers.Helpthestudentsguessthemainpartsofalisteningmaterialfromthetips.Teachingimportantpoints教學(xué)重點(diǎn)LetthestudentspayattentiontothekeywordsinthematerialsaboutAim,Equipment,Method,Result,andConclusion.Teachingdifficultpoints教學(xué)難點(diǎn)HelpthestudentsreadsomelargeEnglishnumbers.Teachingmethods教學(xué)方法Listeninganddiscussion.Teachingaids教具準(zhǔn)備Aprojectorandarecorder.Teachingprocedures&ways教學(xué)過(guò)程與方式StepⅠRevisionCheckthestudents’homework.ForExercises6and7,givethemanswersheet.ForExercise8,ask10studentstoreadoutthecompletesentencesonebyone.Theyshouldpayattentiontotheirpronunciationandintonation.StepⅡListeningandWritingThisisacontinuedparttothereadingmaterial.Thestudentscangetmorefamiliarwithsomenewwordsandexpressions,andalsogetfamiliarwiththedescriptionofanexperiment.AskthestudentstoscanthethreeactivitiesinLISTENINGANDWRITINGonP46,sothattheyknowwhattheyaregoingtodo,andtrytogetreadytocatchthekeywordsorkeysentenceswhentheyarelistening.T:Now,pleaseturntopage46.Wearegoingtohavealistening.Atfirst,scanthethreeinstructionstoknowwhatyouaregoingtodo.Severalminuteslater.T:Doyouknowwhatyouaregoingtodo?Ss:Yes.T:What’sthefirstone?S1:ToreadtheAimbelowandpredicttheResult.T:Whatisyourprediction?S1:Ithinktherearetworesults.Oneisthatthemagnesiumisheavierthanbefore.Theotheristhatitbecomesalittlelighterthanbefore.It’sdifficulttogetaresult,unlesswemakeanexperiment.T:Good,thisisacorrectattitudetowardsscience.Now,we’lllistentotheconversationtofindtheresult.Sopleaselistencarefullyandwritedownthekeywords.Playtherecorderforthestudentstohaveafirstlistening.Afterthat,letthestudentswritedowntheiranswersusingthekeywords.Ifpossible,askthemtowritethewholesentences.T:Nowlet’slistenandcompletethedescriptionofthescientificexperiment.We’veknowntheAimandResult.WhatweshouldfocusonisApparatus,MethodandConclusion.AndforMethod,weshouldpayattentiontothefunctionwords:first,then,next,afterthat,andlastly.Doyouremember?Ss:Yes.T:OK,let’slistenagain.Playthetaperecorderagain.Thestudentslistentotherecorderandcompletetheirsentences.Atlast,collecttheanswers.StepⅢListeningandSpeaking(P95)Thisisanotherexperimentforthestudentstohavealistening.Thepurposeofthelisteningisthesameastheaboveone.Askthestudentstoreadtheexercisesbeforelistening,includingExercises13,14and15,sothattheyknowclearlywhattheyaregoingtodo.T:Now,we’llhaveanotherlistening.Areyouclearaboutwhatyouaregoingtodo?Ss:Yes.T:OK,forExercise13,wehavetodecidewhattheaimoftheexperimentis.Andthendecidethecorrectorderofthestages.So,firstlookatthepictures,workinpairstodescribewhattheboyisdoing.Letthestudentsdothejob,andthencollecttheirdescriptions.T:Well,justnow,Icollectedsomeofyourdescriptionsaboutwhattheboyisdoing.Lookatthesentencesonthescreen.Writethefollowingsentencesonthescreen.a)Bobiswritingaconclusion.b)Heissqueezingalemon.c)Heisgoingtofirethepaper.d)Thisistheaimoftheexperiment.e)Hejustlightedacandle.f)Heisgoingtowritesomethingonthepaper.g)Heisblowingthepaper.T:Allofthesedescriptionsareverygood.Nowlet’slistentothetapetofindtheaimandputthestagesinthecorrectorder.Afterthestudentsfinishthetask,checktheiranswerswiththewholeclassbylisteningtothematerialagain.T:Well,it’stimeforustohaveaspeaking.LookatExercise15.Takeitinturnstodescribetheexperiment.Usethesewordsandphrasesinthebox.Givethestudentssometimetodothejob.Andthenaskoneortwoofthemtoreadouttheirdescriptions.Teachercanalsoleavethispartashomework.StepⅣVocabularyandSpeakingInthisparthelpthestudentsmastertherulesofreadingEnglishnumbers.Thereare3tasksinthisstep:Task1,Activity1;Task2,Activity2;Task3,Activities3and4.Task1:Activity1T:Todaywe’lllearnhowtoreadsomeEnglishnumbers.PleaselookatScreen1,PartA.Therearesomenumbersonit.Findtherulesandthenworkinpairstoreadthemcorrectly.Screen1:A2202002,00020,000200,0002,000,00020,000,000200,000,0002,000,000,000B1221231,23412,345123,4561,234,56712,345,678123,456,7891,234,567,890Severalminuteslater.T:Doyoufindtherulesofthesenumbers?S1:Itseemsthatthreezerosareusedasaunit.T:Right.Howdoyouread20,000?S1:Twentythousand.T:Howabout200,000?S1:Twohundredthousand.T:Howabout2,000,000?S1:Twothousandthousand.T:I’mafraidyouarewrong.Itshouldbetwomillion.S1:Sorry,Iforgetit.T:OK,howabout20,000,000?S2:It’stwentymillion.T:Right.Howabout200,000,000?S3:That’stwohundredmillion.T:Whatabout2,000,000,000?S4:Thatistwothousandmillion.T:Right.ThisisthewaythatEnglishnumbersareread.Americanwouldliketoreadlikethis:twobillion.Youdidverywell.Sitdown,please.Now,let’slookatthescreen.HereisthewayswereadEnglishnumbers.Pleasepayattentiontotheboldface.That’stheunitofthenumbers.Screen2:200 Twohundred2,000 Twothousand20,000 Twentythousand200,000 Twohundredthousand2,000,000 Twomillion20,000,000 Twentymillion200,000,000 Twohundredmillion2,000,000,000 TwothousandmillionortwobillionLetthestudentsreadthenumbersonScreen2andthenreadnumbersinPartBinScreen1.Letthemworkinpairstodothejob,andthenaskthemtoreadthenumbersoutindividually.S:...T:Nowlet’slookatScreen3.Thesearethewayswereadandwritethenumbers.Screen3:22 Twenty-two123 Onehundredandtwenty-three1,234 Onethousand,twohundredand thirty-four12,345 Twelvethousand,threehundred andfifty-five123,456 Onehundredandtwenty-threethou- sand,fourhundredandfifty-six1,234,567 Onemillion,twohundredandthirty -fourthousand,fivehundredand sixty-seven12,345,678 Twelvemillion,threehundredand forty-fivethousand,sixhundred andseventy-eight123,456,789 Onehundredandtwenty-threemil- lion,fourhundredandfifty-six thousand,sevenhundredandeighty-nine1,234,567,890 Onebillion,twohundredandthirty- fourmillion,fivehundredandsixty- seventhousand,eighthundredand ninetyTocheckwhetherthestudentshavemasteredthewayofreadingEnglishnumbers,letthemlookatthenumbersinActivity1.Therearetwomistakes.Letthestudentsreadthenumbersandfindthemistakes.T:NowtherearesomenumbersinActivity1onpage42.Therearetwomistakesinthem.Readthenumbersandthenfindthemistakes.AfterthatI’llasksomeofyoutotellthemistakes.Later.T:Whatarethemistakes?S1:OneisinNumber1.Theword“thousand”ismissingafter“fourhundredandseventy”.TheotherisinNumber2.Theword“one”(or“a”)ismissingbefore“hundredmillion”.T:Quiteright.That’sallforActivity1.Task2:Activity2Now,let’sturntoActivity2.Lookatthefractionsandthewayofsayingthem.What’stherule?S1:Theupperonesarecardinalnumbersandtheloweronesareordinalnumbers.T:Right.Whendoweusepluralforms?S2:Whentheupperoneismorethanone.T:Right.Butthewayyouaresayingisveryinteresting.InEnglish,whatyoucall“upperone”iscallednumeratorofafraction;whilethe“l(fā)owerone”iscalleddenominator.Now,let’sreadthesefractionsinEnglish:2/5,5/8,9/10,3/8,5/6.Studentsreadthefractions.Task3:Activities3and4T:Now,let’slookatActivity3.DescribethefractionsinActivity2aspercentages.Askthestudentstoworkinpairstocomparetheiranswers.Andthencollecttheanswersfromtheclass.T:Now,lookatActivity4.Readthesequestionsaloudandsaytheanswers.Workinpairstotaketurnsaskingandansweringthequestions.Givethemsomehelp,ifsomeofthemhaveanytroubleindoingthis.Afterawhile,checktheanswerswiththewholeclass.Iftimepermits,finishActivity5.Ifnot,leaveitashomework.StepⅤHomeworkT:InthisclasswelistenedtotwomaterialsandlearnedtoreadsomenumbersinEnglish.It’shard,butyouhavemasteredallofthem.Youareterrific!Now,payattentiontoourhomework:OneistopreviewVocabularyonpage46;TheotheristofinishExercise9onpage93andExercise15onpage95.ForExercise15,you’dbetterwritethemdown,sothatwecanshowthemoutonthescreen.Nexttime,I’llcheckyouranswerstotheseexercises.OK,classisover,seeyoutomorrow.Ss:Seeyou.TheThirdPeriodGrammarTeachinggoals教學(xué)目標(biāo)1.Targetlanguage目標(biāo)語(yǔ)言a.重點(diǎn)詞匯和短語(yǔ)alittle,abit,alot,rather,no,any,(very)much,lotsb.重點(diǎn)句式Theearthisforty-ninetimeslargerthanthemoon.P43Theearthisforty-ninetimesaslargeasthemoon.P43It’sgettingbrighterandbrighter!P47Thecloseryouare,themoreyou’llsee.P47ThemorebooksIread,themoreinformationIlearn.P472.Abilitygoals能力目標(biāo)Enablethestudentstolearndegreesofcomparisonandsomeadverbsusedtomodifythecomparativedegree.3.Learningabilitygoals學(xué)能目標(biāo)Helpthestudentssolvesomesimplemathsproblemstopracticethedegreesofcomparison.Teachingimportantpoints教學(xué)重點(diǎn)Theusagesofthecomparativedegree.Teachingdifficultpoints教學(xué)難點(diǎn)Helpthestudentspayattentiontotheagreementincomparisonobjects.Teachingmethods教學(xué)方法Question-answeranddiscussion.Teachingaids教具準(zhǔn)備Acomputerandaprojector.Teachingprocedures&ways教學(xué)過(guò)程與方式StepⅠRevisionForthehomework,checkwhethertheycanreadthedecimalscorrectlybyfollowingtheexamples.Iftheyhaveanyproblemsaboutthispart,helpthem.ForExercise15,asksomestudentstoreadouttheirdescriptions.Meanwhile,payattentiontowhethertheyhaveusedthefunctionwordsandexpressionsinthetable.StepⅡLead-inShowsomeproverbstothestudentsandletthemguessthemeaningsofthesentences.Andthengivethemthecorrectmeaningsofthesentences.T:Today,we’lllearnthedegreesofcomparison.Atfirst,let’slookatthescreenandguessthemea