最新人教版高中英语选修6《Unit 4 Global warming》教案.docx
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最新人教版高中英语选修6《Unit 4 Global warming》教案.docx
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最新人教版高中英语选修6《Unit4Globalwarming》教案
最新人教版高中英语选修6《Unit4Globalwarming》教案【一】
教学准备
教学目标
TeachingAims:
InthisclassSswillbeableto
①practiceskimmingandscanningforinformationneededlikewhatarethetwoconcernsandwhatareEarthCare’ssuggestions.
②Masterthephrasessuchas:
putupwith,solongas,andsoon,makeadifference,havenoeffecton…,bymakingsentencesorbyusingthemintotheposter.
③becomeawareoftheseriouseffectsofglobalwarmingandtheimportanceofsavingenergytobeenvironmentallyfriendly.
④Summarizethepointsaccordingtotheirunderstanding.
⑤worktogethertodesignaposterbyusingthesuggestionsinthearticle.
教学重难点
TeachingDifficulties:
Studentsmayfindithardtoaddmoresuggestionsabouthowtosaveenergyinourdailylifeandtosummarizethepointsaccordingtothosesuggestions.Studentsmaynotknowclearwhatisaposterandhowtodesignanattractiveandpersuasiveposterinshorttime.
教学过程
TeachingProcedure:
Step1.Lead-in(individual&collectivework)
1.Teacherbeginstheclassbyasking:
HaveyoueverseenthemovieTheDayAfterTomorrow?
andthenletstudentsenjoyashortmovieclipwiththefollowingtwoquestions:
①Whatkindsofdisastershaveyouseeninthefilm?
②Canyouguesshowtheycameabout(happen)?
2.introducethetopic:
globalwarming.Andthenhaveafurtherquestion:
①Whatotherdisasterwillbecausedbyglobalwarming?
【DesigningPurpose】
Toarousestudents’interestbywatchingthemovieclipandeducethetopic,thatisglobalwarming.Andthenbyshowingalotofpictures,makestudentsknowandunderstandtheterribleeffectsofglobalwarming,thusmakingpreparationsforpromotingenvironmentalprotection.
Step2.WhileReading(Individualwork)
Skimming:
Gothroughthefirstlettertofind:
①whoisthewriter?
②whatarehistwoconcerns?
Scanning:
Readthesecondletterandanswerthefollowingquestions:
①DoesEarthCareagreewithOuyangGuang’sopinionthatindividualscanhavenoeffect?
②whatareEarthCare’ssuggestions?
③Canwecarrythosesuggestionsout?
Why?
【DesigningPurpose】
Tohelpthestudentsgraspthemaininformationofthetwolettersbyskimmingandscanning.Whilestudentsgettheanswertoquestion1,askthemtofindthesupportingsentence:
Together,individualscanmakeadifference.Wedonothavetoputupwithpollution.Guessthemeaningsofthetwoitalicizedphrasesaccordingtothesurroundingsandtheirunderstanding.
Step3.Postreading(Pairwork)
1.Discussion:
Makestudentsdiscusswhethertheycanfindmorewaysorsuggestionsaboutreducingcarbondioxideandsavingenergyinourdailylife.
Suggestedways:
1)Uselesshotwater7)Changealightbulb8)Trycarsharing
2)Takeashowerinsteadofabath
3)Buyfreshfoodinsteadoffrozen
4)Buythingsthatareactuallyinseason
5)EatlesshighfatfoodlikeKFCandMacdonald
6)Cleanfilters(过滤器)onyourairconditioner.
【DesigningPurpose】
Tocultivatestudentstoworkinpairsandlearntosummarizeanopinionandsharetheknowledgeofsavingenergyindailylife.Topracticetheabilityofunderstandingthemeaningofnewwordsandexpressionstoremovetheobstaclesinreading.
Step4.learnwhatisaposter(collectivework)
Knowwhatisaposterbygivingasimplesampleandtrytogetthestructure.
【DesigningPurpose】
Toknowclearlyapostershouldhaveaheading,contentsandaneye-catchingslogan,whichwillmakeiteasyforstudentstodesignanacceptableposter.
Step5.Preparetheposter(individual&groupwork)
1.Decideourcontents:
①Chooseanddecidefivemostimportantsuggestions.(individualwork)
②Writethemdownonyourpaperandtrytomakethempersuasivebyusingimperative
sentences.(individualwork)
③Compareyourlistwithyourgroupmembersanddecidefiveforyourposter.(group
work)
2.Sloganandheading:
showingsampleposterstohelpthemdecideaheadingandasloganforyourposter.
【DesigningPurpose】
Thisisthemostimportantpartofthiswritingtask.Studentswillbeabletosummarizeandcomposesentencesbychoosingandorganizingwhattheywanttosay,thusimprovingtheirwritingabilityandtheprocessofoutputbasedonwhattheyhavelearnedinreadingpart.Andbylearningsomesampleposterstohelpthemdecidetheirownheadingandslogan.
Step6.produce&showtime(groupwork)
Withtheheading,sloganandways,studentswillnotfinditdifficulttomakeaposter.Whatthey
Shouldpayattentionishowtoillustratetheirposterandmakeitmoreattractive.Andthenchooseseveralpairstorepresenttheirposters.
【DesigningPurpose】
Makingtheposterwillimprovetheircognitivecapabilityoftheimportanceofenvironmentalprotectionandatthesametimetheycanenjoyasenseofachievementinshowtime.Andtheymakebelievethatindividualscanreallymakeadifference.
课后习题
Homework:
Puttheirposteruparoundtheschooltomakemorestudentsknowaboutenergysavingandglobalwarming.WriteashortpassagetotellothershowtosolvetheproblemofglobalwarmingbasedonthesuggestionsyouhavecollectedandsenditinyourQQzoneorblog.
板书
板书设计:
tsunami/flood/
Moresuggestions:
makefulluseofpaper/usebothsidesofpaper
reusewater
limitthetimeofusingprivatecars
sendemailsinsteadofcards
uselesshotwater
alwaystakeashoppingbagwithyou
driveabicyclebutnote-bicycle
人教版高中英语选修6《Unit4Globalwarming》教案【二】
教学准备
教学目标
Teachinggoals教学目标
1.Targetlanguage目标语言
a.重点词汇和短语
energy,light(v.),heat(v.),renewable,non-renewable,fuel,blame,runout
b.交际用语
Expressingagreementanddisagreement
Yes,Iagreewithyou.
Yes,Ithinkso.
Ibelievethatyou’vegotitright.
Idon’tthinkso.
Idon’tthinkthat’sright.
I’mafraidyouarewrong.
2.Abilitygoals能力目标
Enablethestudentstotalkaboutdifferentsourcesofenergyandexpresstheirownideas.
3.Learningabilitygoals学能目标
Helpthestudentslearnhowtogivetheirideasabouttheuseofenergy.
教学重难点
Teachingimportantpoints教学重点
Enablethestudentstoexpressagreementanddisagreement.
Teachingdifficultpoints教学难点
Enablethestudentstolearnhowtoexpressagreementanddisagreement.
教学过程
StepⅠRevision
T:
Goodmorning,everyone.
Ss:
Goodmorning,teacher.
T:
Sitdown,please.Beforeclass,I’llcheckyourhomeworkfirst.Mary,wouldyoureadyourhomeworktous?
Checkthestudents’homeworkandhaveadiscussionwiththestudentsaboutthemistakesMarymade.Letthestudentshaveaclearunderstandingaboutthemistakesandthencorrectthem.
StepⅡWarmingup
T:
Asweallknow,wedependonenergytodomanythingsinourdailylife.Somepeopleevensaywecoulddonothingwithoutenergy.Canyoutellmewhatweuseenergyfor?
Sa:
Energylightsourcities.
Sb:
Energyheatsourbuildings.
Sc:
Energyentertainsus.Withthehelpofelectricity,peoplehavegotalotoffunfromwatchingTV,playingcomputersandsoon.
Sd:
Therearemanyotherelectricalappliancesthatmakeourlifemoreconvenientandcomfortablesuchaswashingmachines,microwaves,airconditionersandsoon.
Se:
Todayenergyalsohelpspeoplerealizemanyso-calleddreamsinthepast.Forexample,peoplecan“fly”fromoneplacetoanotherbyplanewhichrunsonenergy.
Sf:
It’strue.Infact,notonlyplanesbutalsocars,shipsandtrainsrunonenergy.
T:
Welldone.Allthatyou’vejustsaidisright.Soitseemsthatenergyplaysaveryimportantroleinthemodernworld.Thenwheredoesalltheenergycomefrom?
Openyourbooksandturntopage25.Lookatthepicturesonthispage.Theymayhelpyoufindouttheanswers.
Afterawhile.
T:
Who’dliketotellusyouranswers?
Sg:
Windpower.
Sh:
Coalpower.
T:
Right.Isthereanydifferencebetweenthem?
Si:
Yes.Windwillneverrunoutwhilecoalisalimitedsource.
T:
It’strue.Asweknow,anenergysourceisrenewablewhensuppliesofitneverrunoutwhilesomesupplies,suchascoal,willdefinitelyrunoutoneday.Energyofthiskindiscallednon-renewablesources.Pleasethinkofasmanysourcesasyoucananddecidewhichenergysourcesonyourlistarerenewableandwhicharenon-renewable.
Ifnecessary,givesomewordsrelatedtothepictureswhichmightbedifficultforthestudentssuchasoilrefinery,hydroelectricpowerandsoon.
Theteachershouldalsocollectasmuchinformationaboutdifferentsourcesofenergyaspossibleandshowittothestudentsinclassthroughacomputer.Inthisway,thestudentswillbecomemoreinterestedinthistopicandtheirknowledgeonthisaspectwillbeenlarged.
Sampleanswers:
StepⅢListeningandDiscussing
T:
Fromwhatwe’vejusttalkedabout,itisclearthatenergydoesalotofgoodtous.Buteverycoinhastwosides.Isthereanynegativeeffectofusingenergy?
Sa:
Yes.Peopleusetoomuchenergywhichisresultinginanincreaseincarbondioxide.Thatishowtheglobalwarmingcomesabout.
Sb:
Andmeanwhileitpollutestheenvironment.
T:
It’strue.Manypeoplehaverealizedtheproblem.Nextwe’lldosomelisteningpracticeonthistopic.Let’sseewhatotherpeoplethinkofthisissue.
Thestudentsareaskedtoreadthequestionsquicklytofindoutthelisteningpointsfirst.Thenlistentothetapetwiceandgivethecorrectanswers.
T:
Nowpleaseturntopage31.Let’sdolistening.Beforeyoulistentothetape,pleasereadfastthestatementsinExercise1tofindoutthelisteningpoints.Paymuchattentiontothekeypointswhilelistening.
Playthetapeforthefirst
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