牛津深圳版 英语课件：七年级下unit5 Electricity.ppt

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1、Chapter5ElectricityTask1Whatdoweknowaboutenergy?Whatisit?It’sthepowerthatmakesthingswork.LeadinWhathappensifamachinedoesn’thaveenergy?Itdoesn’twork.Task2Invisible看不见的flowthroughawire,likewaterWhatdoweknowaboutelectricity?Canwechangeelectricityintoenergy

2、?Whatkinds??Task3HeatenergyMovementenergyLightenergySoundenergyLookatthefollowingthings.Whatkindofenergydotheyproduce?Discussion:LightenergyLightenergySoundenergyMovementenergyHeatenergyLightenergyMovementenergyHeatenergyMovementenergyair–conditionerwas

3、hingmachinevacuumcleanerricecookertelevisionironfridgefanmicro-waveovenrecorderradiotorchkettleHowmanyhomeappliancescanyoutellusinourlife?Whatkindsofenergydotheyproduce?Wheredoeselectricitycomefrom?Task31.Throughthinwires.2.Beconnectedtocablesburiedunde

4、rtheground.3.Apowerstation.Readingelectricityn.电electriciann.电工ThereisaproblemwiththeelectricityinTom’sflat.Anelectricianhascometodealwithit.electrica.电的electricstormelectricshockelectricala.电气科学的electricalapparatus电器electricalengineerWordsandexpression

5、sinReadingAWhatdoyouknowabout:changev/n.变化Wecan’tseeelectricity,butwecanchangeitintoenergy.GreatchangeshavetakenplaceinShenzhensince1980.changeablea.Theweatherischangeableontopofthemountain.n.找头；（找回的）零钱Hereisyourchange.energyn.Youngpeopleusuallyhavemore

6、energythantheold.年轻人通常比老年人有活力。energetica.1.Heisanenergeticboy;heenjoyssports.2."Themoretheyoungstudentsworked,themoreenergetictheybecame."这些年青学生们越干越有劲。abaccccontainpolitelyinawayflowstrick:v/n戏弄,欺骗It’swrongtotrickothers.=It’swrongtofoolothers=It’swrongt

7、oplaytricks(atrick)onothers.=It’swrongtoplayjokes(ajoke)onothers2.atlast=intheend=finallyIfinishedmyworkatlast.Ifinishedmyworkintheend.Ifinishedmyworkfinally.3.flowthroughElctricityflowsthroughawire.It’slikewater,inaway.WordsandexpressionsinReadingB:4.l

8、ooklike=belike1.Helookslikehisfather.=Heislikehisfather.2.----What’shelike?=Whatdoeshelooklike?----Heisshortandfat.5.inaway(partly)在某种程度上,稍稍Inaway,Iagreewithhim.SomeofhisideasarerightbythewayBytheway,canyoutellmewhenwewillleave?i