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Unit4Globalwarming
Reading
Teachinggoals
Targetlanguage
wordsandphrases:
energy,light(v.),heat(v.),renewable,non-renewable,runout,compare,phenomenon,
graph,fuel,trap,data,climate,catastrophe,consequence,range,per,glance,
compareto,comeabout,fiercedebate,resultin,buildup,keepon
Abilitygoals
Enablethestudentstotalkaboutdifferentsourcesofenergy.
Enablethestudentstoreadthetext,understandwhatitisaboutandtalkabout
thecausesandeffectsofglobalwarming.
Teachingimportantdifficultpoints
Enablethestudentstogetabetterunderstandingofarticlesofthiskind.
Teachingaids
Aprojectorandablackboard
Teachingprocedures
Step1Warmingup
T:Nowletslookatapictureontheslideandanswerthequestionbelow.
Whatisthegreenhousemadeandusedfor?
Agreenhouseismadeofglassandisusedforgrowingplants,especiallyduringcold
weather.
Whatsgreenhouseeffect?
Step2Scanning
Readthetextquicklyandfindtheanswertothequestions:
1.Whowrotethemagazinearticle?Whatisthenameofthemagazine?
SophieArmstrong,EarthCare.
2.Whatarethenamesofthethreescientistsmentionedinthearticle?
DrJaniceFoster,CharlesKeeling,GeorgeHambley.
3.Whatdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?
Theydontagreewitheachother.
Dr.JaniceFosterthinkstheeffectsofglobalwarmingcouldbeveryserious.
GeorgeHambleythinksglobalwarmingwillbemildwithfewbadenvironmental
consequences.
CharlesKeelingbelievesitistheburningofmoreandmorefossilfuelsthatis
resultinginabig
increaseincarbondioxide.
ThefirstgraphshowsthetemperatureincreaseofonedegreeFahrenheitbetween
1860to2000.
Thesecondgraphshowsthecarbondioxidecontentintheatmospherefrom1957to
1977.
4.Whatare
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