还剩27页未读,继续阅读
本资源只提供10页预览,全部文档请下载后查看!喜欢就下载吧,查找使用更方便
文本内容:
Teaching plansfor Unit131-6periods人教版高二英语下册教案教学设计The water planetThe firstperiodI.Learning aims:
1.Learn thenew wordsand expressions
2.Master someuseful wordsand expressionsto makesentences
3.Know the waterplanetin orderto protect our water propertiesII.Teaching importantand difficultpoints;
1.How to use somekey wordsand expressions
2.How toprotectour planet earth
111.Teaching procedures:Step
1.Greetings andlead-inStep2Showing theteaching aimsof theunit.Talk aboutwater and the oceanpoured into the riverand thesea.It isdangerous for the livingthings in the water.Picture6:A:Do youknow howthe water is being used inPicture6B:Water isbeing usedfor entertainment.C:Is ita goodway touse waterD:Yes,because itcan helppeople keepfit andenjoy nature,.But ifpeople throwrubbish into the water,it willbe badfor us..Step6Summary andhomework
1.Make areport usingthe useful expressions accordingto oneof the picturesyouhave discussed.
2.Preview Reading.The3rd periodI.Learning aims:
1.Improve the students readingability.
2.Enable thestudents torealize thatit isimportant toprotectthe wateron our planet.II.Teaching importantand difficultpoints:
1.Master the following phrases:all the way,that is,mix with,take advantage of,manage todo
2.How to make thestudents understandthe reading passage better.III.Teaching procedures:Step1Greetings andlead-inA letterfrom“water”Dear User,Shame to you all,the Ignorant,(无知的)I amyour lifeButyou seemnot tovalue meGiveme all the respectForin meis eternal(永恒的)lifeIf youcontinue abusingmeSurely,all formsof lifewill witherawayHave youever imagined,Life withoutmeI tellyou,it willbe unbearable(不堪忍受的)Think twiceForevery dropcounts...What propertiesor characteristicsdo youknow aboutwatercolorless,tasteless,odorless,feeling wet,dissolving,absorbing heat,three formsStep2Pre-readingQuestions relatedto thesubjects
1.What are
2.What doeslook like
3.What aredifferent partsof
4.What can be compared to
5.How dowork
6.What aresome examples ofStep3While readingThepassage mainlytells usit iswater thatmakes the ocean soimportant to all the livingthings in the world.Basic factsabout lifein the oceans
1.Life on earth beganin the oceans aboutthree billionyears ago;
2.99%of the living spaceon earthis in the oceans;
3.There areabout fivemillion knownspecies in the oceans;
4.Life in the oceansranges fromtiny planktonto giantwhales.Step4Careful reading
1.Chemical structure2H2+02点燃2H20The water molecule ismade upof twohydrogen atoms and one oxygenatom.They forma polarmolecule,one with a slightlypositive andaslightly negative.Water canbreak downboth solidsand gases.
2.SalinityWhat issalinityDissolved gases and solidsmixed withpure water.What aredifferent partsof salinityDissolvedgasesand solids,puree waterHow does salinityworkIt affectswaters weightand freezingpoint.What aresome examplesof salinityOceanwater
3.Density
1.What isdensityDensity is the relationshipbetween massand volume.
2.What aredifferent partsof densityMassand volume
3.How doesdensity workAless substancefloats ona moredense substance.
4.What aresome examplesof densityWater1,000kg/m3;oilless dense
4.Heat capacityHeat capacity:The amount of energy it takes to raisethe temperatureof asubstance one degree centigradeDifferent parts:Energy and temperatureHow towork:A substanceabsorbs andreleases heat.It keepswater temperaturesteady.Some examples:Water sheat capacityhelps keep the earths temperature steadyStep5Post readingAnswerthe abovequestions
1.The propertiesof waterare chemicalstructure,salinity,density,heat capacityand oceanmotion.
2.The earthlooks likean oceanplanet.
4.The ocean canbecomparedtoa greatplace tolive in.
5.Maybe itmeans thatthere aresome similaritiesbetweenair-conditioner andthe ocean.Because the oceancankeep thetemperatureof theearth steady.I thinktheoceankeeps thetemperatureof theearth steadyby absorbingand releasingheat.
6..I thinkplankton,sharks and whales areexamplesofspeciesin theocean.Fill in thefollowingtable accordingto thereading passage:Property What is itWhatisit good forChemical structureEvery watermolecule ismade upof twohydrogenatoms andoneoxygenatom.It isgood for thelivingthings in the oceantoabsorb thenutrients easilyDensityThe density of purewater is1000kg/m3,meaning thatonecubic meter of waterweighs onethousand kilogram...It isgood formarineorganisms totake advantageof thedensity of water.Heatcapacity It is theamount ofenergy ittakes toraise thetemperatureof asubstanceone degreecentigrade.Itisgoodfortheearth tokeepthetemperaturesteady.Step6DiscussionWhat canwe doto save and protectthe wateron ourplanetNothing isas preciousas adrop of water.Learning about theproperties of water helps us understandlife on ourplanet.The mostimportantthing welearn aboutwater is that wemust protectit anduseit wisely.Our futuredepends onit.Step7Summary andHomework
1.Read the text carefullyand findoutthedetailed informationaboutwaterproperties.
2.Think asmany examplesas possibleto illustratewaterproperties.The4th periodI.Learning aims:
1.Enable thestudents tofurther understandthe readingpassage.
2.Learn thelanguage points.II.Teaching importantpoints:Master thelanguage pointsto makesentences.III.Teaching difficultpoints:How toimprove thestudents readingability further.IV.Teaching procedures:Step
1.Greetings andrevisionAsk thestudents somequestions accordingto thereadingpassage.Step2Further understandthe text
1.Finding TopicSentences#.Learning aboutthe propertiesof waterhelpsusunderstand lifeonourplanet.#.The chemicalstructure of water makesit anexcellent mediumforlife#.The salinityof theearths oceansis about thirty-five partsperthousand,meaning thatthere areaboutthirty-five gramsofdissolved solidsand gasesin onekilogram ofwater.#.The density of purewater is1,000kg/m3,meaning thatonecubic meterofwaterweighs onethousand kilograms.#.Heatcapacityisthemountofenergyittakestoraise thetemperatureof asubstance byonedegreecentigrade.#.Since changesin salinityandtemperatureaffect watersdensity,the water intheocean isalways moving.
2.ComprehensionParagraph!.Ninety-nine percentof theliving spaceon earthisin the oceans.Life intheoceansranges from the tiniestplankton allthe wayup to giantslike sharksandwhales,paraphraseParagraph
2.2Hydrogen Atoms,1Oxygen Atom,1H20MoleculeParagraph3sea watersalt water=dissolved gases+dissolved solids+purewatersalinity ofsea wateraffects:weight+freezing pointFactorsof density:mass+volumeParagraph4Practice makingsuggestions andexpressing opinionsReview Modal VerbsWrite an explanationparagraphStep
3.New wordsand expressionscube,cubic meter,squarebenefit,benefit fromtransport,import,export range,rangefrom…to rangebetween…and•••allthe way,allthetime,allthe whileunique,only,ordinary hydrogenatom,H oxygenatom,0relative,relation,relate,related,relativity solid,fluid,liquidUnit ofdensity:kg/m3=kilograms percubic meterDensityof purewater:1,000kg/m3=one cubicmeterofwater weighsonethousand kilogramsParagraph
5.How doesthe water intheocean moveDensewater sinksand lessdense water is pushedtothesurface.Paragraph
6.Main idea:significance ofwater tonatureWater,which seemsso simpleand common,is whatmakes lifepossible.Of allthe resourceson earth--oil,gas,gold andso on--nothing isas preciousas adrop ofrain,paraphraseStep3Language points:
1.incredibly adv.extremely orunusuallye.g.The water is incrediblyhot.
2.available adj.that canbe usedor obtainede.g.Tickets areavailable atthe boxoffice.The bookis availableto allthestudents.
3.range vi.range fromA toBe.g.Their agesrange from25to
50.His interestsranged fromchess tocanoeing.
4.But theway the watermolecule…e.g.I dont likethewayin which/that helooks atme.
5.that is to saywhich meanse.g.A weeklater,that is,May1is herbirthday.He isa localgovernment administrator,that is,he isa CivilServant.
6.take advantageof make use ofsomething we11/makeuse ofsomebody unfairlye.g.They tookfull advantageof thehotel sfacilities.She took advantageofmy generosity.
7.be sensitive to somethingaffected easilyby somethinge.g.She is very sensitive to other,s words.Step4Exercise:Fill inthe blankswith theproper words.The firstletter hasbeengiven.1The watermolecule ismade upof twoatomsandone atom.2Water isa liquidat roomtemperature,but itturns intowhenthe temperaturedrops below0℃and intoa gaswhen heatedabove100℃.3The soilcan water,so ithelps tokeep waterfromflowing away.4Marine scientistsstudy thebetween livingcreaturesand theirhabitat intheocean.5Life intheoceansappears indifferent sizes,from thetiniestfish allthewayuptothe biggestblue whales.6Oil hasa densitylower than1,000kg/m3,so itwill on water.Step5Summary andhomework
1.Furhter understandthetext.
2.Writeanarticle abouthow tosaveandprotect water.The5th periodI.Learning aims:
1.Review ModalVerbs
2.Do someexercises toreview thelanguage studyinthelastperiod.II.Teaching importantpoints:ReviewModalVerbsIII.Teaching difficultpoints:How tohelp thestudents correctlyuse theModal VerbsIV.Teaching procedures:Step1GreetingsStep2RevisionStep3Grammar情态动词表猜想Model Verbs一.确定句must,may,might对现在事实的猜想:must/may/might+be(状态),must/may/might+be doing(行为)He must be inhis officefor hecalled methere fiveminutes ago.(现在---------------状态)A womanis comingtous.She may/might be our newteacher.(现在------状态)Put onmore clothes.You must be feelingcold withonly ashirton.(现在------------------行为)He may/might behaving breakfast.(现在一彳亍为)对过去事实的猜想must/may/might+have been(状态)must/may/might+have done(行为)Oh,the manyou metmust havebeen mybrother,Peter.(过去一-状态)He might/may havebeen therebefore.(过去一状态)The groundis wet.It must have rained last night.(过去-行为)He might have watchedTV orhave goneover hislesson.(过去一行为)二.否定句can,could对现在事实的猜想can/could+not be(状态)can/could+not be doing(行为)The younggirl can t/couldn t beournew chairman.(现在-----状态)He can tbeat home,forthelight inthe roomisn ton.(现在----状态)They cantbereading inthe library.(现在彳亍为)The boyscantbe doingtheir homeworkintheclassroom.I sawthem playingfootball5minutes ago.(现在--------------彳亍为)对过去事实的猜想:can/could+not havebeen(状态)can/could+not havedone(行为)The roadis dry,it couldnthaverainedlastnight.(过去-行为)Tom canthavebeen athome lastnight.He hasgone toJapan lastweek.(过去---------------状态)疑问句can,could对现在事实的猜想can/could+主语+be(状态)can/could+主语+bedoing(行为)Who sthat Canit beour headmaster(现在一状态)Could thestudents becleaning thestreet(现在一行为)----No,they cantbedoing that.对过去事实的猜想can/could+主语+have beencan/could+主语+have doneCould they havebeen inXinjiang lastmonth(过去-------------状态)Couldtheyhave finishedtheir homeworkTheyhad beenworking allthe afternoon.(过去-------------彳亍为)Step4Exercises
1.Choose thebest answers
2.Fill inthe blanksStep4Summary andWorkbook OmittedStep5The designof thewriting onthe blackboardThe6th periodI.Learning aims:
1.Improve thestudents readingability byreading thematerial.
2.Improve thestudents writingability.
3.Enable thestudents torealize thatit isimportant toprotectthe estuaryII.Teaching importantand difficultpoints:How toimprove thestudents integratingskills----------readingand writing.III.Teaching procedures:Step1Greetings andrevisionStep2Lead-inStep3ListeningStep
4.Finding TopicSentencesAs theoceans arethe sourceof life onearth,the estuariesare ourplanets nurseries.Estuaries aregreat placesfor naturesyoung ones.Estuaries arealso importantbecause theyabsorbnutrients andpollutants fromwater comingfrominland sources,thus cleaningour waterEstuariesprovide bothrecreation andeducationfor humanbeings.Step5Structure ofthe passageStep6Answering thequestions
1.Why areestuaries suchgood placesfor naturesyoung ones2What doesdensity meanin thispassage3Howdoestuaries affectthe waterthat passesthrough them
4.Why areestuaries moresensitivetopollution thanotherareas
5.Why areestuaries importantto humanbeingsStep7Word Study
1.Pollutant
2.estuary
3.recreation
4.mammal,
5.reproduce
6.erosiona.the bodyofwaterwhere ariver meetsthe oceanb.warm-blooded vertebrateanimals togenerate offspringbysexual orasexual means.c.something thatpollutes,especially awaste materiald.the processof erodingorthecondition ofbeing erodede.refreshment ofones mindor bodyafter workthrough activitythatamuses orstimulatesStep8Writing
1.Why doesan icecube float
2.What willhappen toa piece of metalif youput itin water
3.Why doso manyspecies livein estuaries
4.Why haveso manycities beenbuilt byestuariespure,impure,purely gramme,gram,g mass,masses,a massof,masses of,,mass-produce kilogram,kg float,onwater,sink takeadvantageof makeuseofabsorb,take in,give offgive off,giveout,give in,give upstable,stability.stabilize sensitive,sense,sensible,be sensitiveabout/to steady,steadily,trust,doubt,believe incall in,call at,call up,call on,call forStep9Summary andhomeworkomitted文档内容到此结束,欢迎大家下载、修改、丰富并分享给更多有需要的人a varietyof,varieties ofStep4Practice价格自50元到100元不等.在回家的路上,同学们始终谈论科幻小说这位老师在课堂上充分利用了多媒体那个女皇对温度很敏感.他虽有阅历但无进步.这些首饰是她的私人财产.水不够深,船不能浮起来.这个病人状况稳定.他对自己的个子小神经过敏.有很多句式供你选择.Suggested answersPrices rangefrom50to100yuan.This teachertookadvantageof multimediaintheclass.The queenisvery sensitivetotemperature.He hasnt benefitedfromtheexperience.The jewelswere herpersonal property.He isverysensitiveabout beingsmall.There wasnt enoughwater tofloat theship.The patients conditionis stable.All theway home,they talkedabout sciencefiction.There area varietyof sentencesto choosefrom.Step5word studyatom,unique,solid,absorb,centigrade,pure,hydrogen,oxygen,mass,floathydrogen,oxygen,solid,absorb,relationship,ranging,floatStep6vocabularyEx.1:unique,solid,float,decreasing,benefit,trustEx.2:m3,c,g,s,gal,H2,02,mStep7Summary andhomeworkThe secondperiodI.Learning aims:
1.Lean andmaster thenew wordsandtheusefulexpressions
2.Do somelistening
3.Improve thestudents speakingability bytalking.II.Teaching importantpoints:
1.Make thestudents befree totalk aboutwater.
2.Improve thestudents listeningability bylisteningIII.III.Teaching difficultpoints
1.How tofinish thetask ofspeaking
2.How toimprove thestudents listeningabilityIV.IV.Teaching procedures:Step1Greeting andrevision
1.Review thenew wordsand expressions
2.Check thehomeworkStep2Lead-inA riddle:It svery importantto allthe animalsand plantsIts alsoimportanttohuman beingIts liquidat roomtemperatureEvery dayyou keepin touchwith itYoucantlive withoutit.Step
3.Warming up
1.This experimentshows howair pressurecauses a piece ofcardboardto clingto anupturned glassofwaterWhen the glass ofwatercovered withapieceof paperis turnedupside down,the pressurefromair tothe pieceof paperis biggerthan thepressure fromthewater intheglasstothepieceofpaper.So thepaper won t fallandthe waterwontflow.
2.This experimentillustrates howsubstances withdifferentdensity behavewhen placedinthesame container.vegetable oilison thetop ofthe water,because thedensityofwaterishigher thanthedensityofvegetable oil.
3.Experiment3is anexample ofhow waterdissolves substancesandobjects.
4.Experiment4illustrates someofthedifferences betweensaltwater andfresh water.To protectthewateronourplanet,I thinkwe shouldsave everydropofwaterand stopthrowing rubbishinto water.Besides weshouldtry ourbest tohelp thepeople aroundus realizethe importance ofusing andprotecting ourwater.Step4listening:This partis aboutthe famouspoems aboutlifeontheocean.happen to:e.g.What happenedtoyoulast week.I happenedto meetmy friendinthestreet yesterday.come upwithe.g.I hopeyou cancome upwitha better planthan this.Step5SpeakingThis partistotalk aboutthe waysin whichwater canbe used.We11discuss theimportanceof using andprotecting ourwater.Questions:
1.How isthewaterbeing used
2.Is thisa goodway touse water
3.Why dowe use water inthis way
4.Who benefitsfrom usingwaterinthis way
5.What aresome disadvantagesofusingwaterinthis way/Useful expressionsThewaterisbeing usedto〃for….We should/could….What willwe doif…/・If we….We can….It wouldbe betterto….Can youthink ofabetterway to..Picture.1:We canuse watertomakeelectricity,which cangiveus lightand makeus feelwarm.I thinkit sa goodway tousewater.Picture4waterisbeingusedin industry.It canbe usedto makepaper,cool machineandsoon Butthe disadvantageisthata lotofwater mixedwith somepoisonous thingsbeing。