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ExploringtheThemeAnalyticalListeningSharingYourIdeas
ViewingtheWorld
Engaging
FurtherListening
Unit1 EnergyandOurPlanet
Thinkand Discuss
ThinkandDiscuss
Questions
1.Whatdoyouthinkthecolorsin
thisphotomean?
2.Lookattheinformationonthispage.Whatdoyouthinkyouwilllearnaboutinthisunit?
ThermalimageofahouseinNewHaven,Connecticut,USA
1.Whatdoyouthinkthecolorsinthisphotomean?
ExampleAnswers
Ithinkthecolorsinthisphotorepresenttemperature.Redandyellowareprobablywarmerareas,andgreenandbluearecoolerareas.It’spossiblethatthetemperaturestelluswhereheatfrominsidethehouseisescaping.Sinceheatrises,itmakessensethatmostoftheheatisescapingfromtheupperpartofthehouse.
2.Lookattheinformationbesidethephoto.Whatdoyouthink
youwilllearnaboutinthisunit?
Ithinkwewilllearnaboutenergysuchaselectricity,coal,andoil,andalsohowouruseofenergyisaffectingtheearth.
Exploring the Theme
ExploringtheTheme
EnergyandOurPlanet
PrudhoeBay:
aregiononthenortherncoastofAlaska,U.S.A.,
northoftheArcticCircle.OneofthelargestoilreservesinNorth
Americawerefoundtherein1968.普拉德霍湾
Middelgrunden:
theworld’slargestoffshorewindfarm.Itwas
builtin2000nearthecityofCopenhagen.Itsuppliesaroundfourpercentofthecity’senergyneeds.米德尔格伦登风电场
A|Lookatthephotosandreadthecaptions.Thendiscussthefollowingquestions.
1.Whatkindsofenergyorfueldoyouseeonthesepages?
2.Howisourenergyuseaffectingtheenvironment?
3.Whataresomeexamplesofrenewableenergy?
London,Britainatnight
Agrizzlybearandhercubswalk
alonganoilpipelineinPrudhoe
Bay,Alaska.Ouruseoffossil
fuelsisimpactingtheenvironmentinavarietyofways.
WindturbinesatMiddelgrunden
WindParkinCopenhagen,Denmarkprovidearenewableformofenergy.Manycountriesareusingrenewableformsofenergysuchaswind,hydroelectric,andsolarpower.
IseeelectriclightsinLondon,aswellascarsandboatsthatusegasolineandoil.Ialsoseeanoilpipelinewithbearswalkingonit,andturbinesthatusewindenergytoproduceelectricity.Inthepiecharts,anumberofotherkindsofenergyarementioned,includingnaturalgas,solarandgeothermalenergy,nuclearandhydroelectricenergy,andbiomass.
Whenweburnfuelforenergy,itsendspollutionintotheatmosphere,andovertime,itischangingEarth’sclimate.Ontheotherhand,usingcleaner,renewableformsofenergyreducesthosenegativeeffectsontheenvironment.
Renewableenergyincludewindenergy,solarenergy,hydroelectricity,geothermalenergy,andbioenergy,etc.
B|Lookatthepiechartsonpage3.Thendiscussthequestions.
1.Howmuchoftheworld’sproductionofenergycomesfromoil?
2.Howmuchoftheworld’s productionofrenewableenergycomesfromwindpower?
Thesepiechartsshowtheworld’sproductionofrenewableandnon-renewablesourcesofenergy.Eachsectionrepresentsadifferentsourceofenergy.Thenumbersshowwhatpercenteachsourceofenergymakesupofallenergyproduction.
Theworldgets38percentofitsenergyproduction