Unit2GlobalWarmingSection1THEGENERALIDEAOFTHESECTION1Thisunitdicussesthephenomenonofglobalwarming:Studentswilltalkabouttheweatherandfurtherinvestigateglobalwarming.TEACHINGAIMSTheprojectinthisunitisdesignedtohelpstudentstoworkinsmallgroupstogatherinformationaboutglobalwarming,answersomequestionsaboutitandpresenttheirfindingstotheclass.TEACHINGDIFFICULTPOINTToensureeverystudenttohaveachancetoexpresshimself/herselfTECHINGMETHODIndividual,pairorgroupworktomakeeveryoneworkinclass.TEACHINGAIDSMultimediaAblackboardTEACHINGPROCEDUREStep1Greetingsandlead--inT:Goodmorning,boysandgirlsSs:Morning,sirT:Welcometothisunit!GladtomeetyouhereandI’mgladtoteachyoutheinterestingtopic.Firstofall,pleaseallowmetointroducethisunitisaboutglobalwarming.Somethingthatmightberegardedassomeformofdisease.Itishelpfultopromotestudents’awarenessofhumanhealththatdependstoalargeextentonthehealthofnature.Nowreadthetextandanswersomequestions.<10mintesforSstoreadthetopic,andgetreadytoexpressthemselves>T:TheplayissetinBeijing,whereaninternationalconferenceonclimatechangeisbeingheld,trueornot?S1:False.T:ScientistNumberOneisoptimistic,andScientistNumberTwoispessimistic,aboutglobalwarming,trueornot?S2:False.T:ScientistNumberTwobelievesthatwehavemisreadandmisinterpretedchangesintemperature,trueornot?S3:True.T:Carbondioxidecomesfromfactories,trueornot?S4:True.T:Theplaytellsusthatwearesafe,thattreesarecontinuingtogrow,andthattheearthwilllastmillionsofyears,trueornot?S5:False.Step2ExpectionThistextisaboutglobalwarming.Now,tryandidentifyeachpictureandhowitmightrelatetoglobalwarming.Trytoguessforeachpicture.Writethefollowingideasontheboard.Dividetheclassintogroupsofsix.Askeachgroupto:1.Provideadefinitionforeachconcept.2.Provideexamplesforeachconcept.用心爱心专心116号编辑3.Provideanexplanationastohowtheythinkthese6conceptsarerelatedtoglobalwarming.Climatechange.Writethewordsontheboard.industrialactivityfossilfuelcarbondioxidehumanpollutionnaturalfactorsDividetheclassintogroupsofseven.Sevenstudentsforeachcharacterintheplay.Askeachgrouptochooseacharacterintheplay:TVAnnouncer,ScientistNumberOne,ScientistNumberTwoSmokestackIndustries,anautomobile,atreeandtheearth.Discussthemeaningofcauseandeffect.Anddiscusswiththeclasstherelevantinformantionforeachbox.CAUSEEFFECTStep3followingquestions:Thedesignofthewritingontheblackboard1.WhatdoyouthinkthefourthingsScientistNumberOnementionedsosupportherideathatweareindanger?2.WhatdoyouthinkthefourthingsScientistNumberTwomentionedsosupportherideathatweareindanger?4.whatisthemainideaofSmokestackindustriessaid?5.whatisthemainideaofAutomobilesaid?6.whatisthemainideaofEarthsaid?Step4SummaryandhomeworkT:Todaywehaveagoodbeginning.WelearnsomeknowledgeabouttheGlobalwarming,Afterclass,pleasefindoutmorereasonsaboutGlobalwarming.ActivitiesandResearch1Hoedoesthegreenhouseeffectdevelop?2Whatroledotreesplayinachievingourenvironmentalbalance?用心爱心专心116号编辑IndustrialActivityGreenhouseEffectChangesinplants
