高中英语 Unit16 Scientists at work课件 人教版 16页

Unit16ScientistsatworkPeriod2Franklin’sfamouskiteexperiment\nStep1LeadinginThroughouthistory,scientistshaveplayedabigroleinpeople’slivesandnowtheystilldo！Doyouknowwhothefollowingscientistsare?Therearesomemysteriousscientists.I’lltellyouwhateachscientistisbestknownforandyoushouldtellmewhoitis.\nCharlesDarwinWhoamI?Istudiedplantsandanimalswhilesailingaroundtheworld.Iwroteabookonhowplantsaredifferentfromeachotherandanimalsaredifferentfromeachother.Thebooktalksabouthowplantsandanimalschangeovermany,manyyearstosuittheenvironmenttheylivein.\nMyhusbandandIbothbelievedthatsciencewasthemostimportantpartofourlives.Wediscussedourworkandthelatestscientificevents,suchasthediscoveryofX-rays.In1898,wefoundtwonewelementsthatgaveoffradiation.Wenamedthesetwoelementspoloniumandradium.WhoamI?MadamCurie\nIamaninventor.Ilikedtoinventthings.OfcourseIdidmanyexperiments.ThoughIfailedmanytimesandpeoplelaughedatme,Isucceededatlast.Iinventedthelamp.ThomasEdison\nIamaninventor.Ididmanyexperiments.OnceIfliedakiteinbadweatherwithlightning.Iwantedtoshowpeoplethatlightningandelectricityarethesame.Itwasalittledangerous,butIsucceeded.Iinventedthelightningrodwhichprotectedbuildingsandshipsfromlightningdamage.BenjaminFranklinHowmuchdoyouknowaboutBenjaminFranklin?crackFranklinwasnearlykilledbylightning.\nHowmuchdoyouknowaboutBenjaminFranklin?Hefirstsawhimselfinprintatage16.HetaughthimselftoreadFrench,Spanish,Latin,andItalian.Hewasover45whenhedidtheexperimentsinelectricity.Athisdeathin1790,hewasburiedinChristChurchBurialGround.……\nStep3.Listentothetapeandfillintheblanks.1.BenjaminFranklinanumberofexperimentsinwhichheshowedwhatelectricityis.2.Thestringwasgetting！3.Mostkitesaremadeofpaper,butakitemadeofsilkwillnot-------sosooninweatherwithrainandstrongwinds.4.Buildtheframeofthekitebymakingasmall______oftwopiecesoflightwood.5.Addatailtotheframeandalongstringtothecrosssoyoucancontrolthekite.6.First,fixaverypieceofmetal,pointingafootormoreabovetheframe,tothetopofthelongerstickofthecross.7.Thisribbon,whichmustnotgetwet,willyou______theelectricity.conductedchargedtearcrosstiesharpprotectfrom\nStep4.FastreadingReadthefollowingstatementsanddecideiftheyaretrueorfalse.1.In1752scientistsalreadyknewwhatlightningis.﹙﹚2.Franklinwashelpedbyafriendtodotheexperiment.()3.Franklinmadethekiteofsilkbecausewetsilkdoesnotconductelectricity.﹙﹚4.Acondenserwasusedintheexperimenttostoreelectricity.﹙﹚5.Thekeytiedtothestringwasputintothedoortostopthekitefromflyingaway.﹙﹚FFFTF\nStep5Intensivereading.Readthispassagealoudandfillintheformaccordingtoit.Franklin’sfamouskiteexperimentwhenwhoWhen/doWhy/do(aims)4factors:3steps:Results:ProvedtheideaJune,1752akite,akey,somebadweather,acondenserFranklinandhissonthunderstorm,rainyday,badweathertoprovethatlightingandelectricityarethesameFirst,…Second,…Third,…\nAnswerthefollowingquestions.WhydidBenjaminFranklindothisexperimentwiththekite?2.Whyisitbettertomakethekiteofsilkthanofpaper?3.DoyouthinkFranklin’sexperimentwasdangerous?Exlpain.Hewantedtoshowthatlightningandelectricityarethesamething.Becauseakitemadeofsilkwillnottearsosoonasakitemadeofpaperinbadweatherwithrainandstrongwinds.Yes.Franklin’sexperimentwasverydangerousbecauseifsomethingwentwronghewouldbekilledbythelightning.\nLanguagestudyWordstudyCharge31修我的CD机你要收多少钱？2受惊的动物冲进了商店。3让我的手机充满电通常需要花费一个小时。Conduct21导游带领游客参观了博物馆。2这种材料传电或热的效果怎么样？3星期六晚上的音乐会将会有一位世界著名的指挥家来指挥。\nCross11看到数学作业本上有如此多的×，他很吃惊。2她颈上戴着一个十字架。3这河太深而不能穿过。Sharp21瞎了的动物依靠它们敏锐的嗅觉也能够存活。2这刀切肉还不够锋利。3我感到胃里一阵剧烈的疼痛。\nTear11不要那么用力的扯这块布，它很容易（被）撕破。2他们正在拆除这些旧房子以建新的。3他看见那个漂亮的女孩在哭泣。Tie31每个队进了一球，比赛以平局告终。2你的新领带配你的蓝外套真是好极了。3这个两岁的小女孩正在学习怎样系鞋带。\nGrammar1football2shoestring/shoelace3icecream4greenhouse5downtown6seafood\n3stepsa.Fixaverysharppieceofmetalb.Fastenakeytotheendofthelongstringc.Tieasilkribbontothedrystring.