高一英语下Unit 16 Scientists at workbb课件.ppt

unit16scientistsatwork period2franklin sfamouskiteexperiment step1leadingin throughouthistory scientistshaveplayedabigroleinpeople slivesandnowtheystilldo doyouknowwhothefollowingscientistsare therearesomemysteriousscientists i lltellyouwhateachscientistisbestknownforandyoushouldtellmewhoitis charlesdarwin whoami istudiedplantsandanimalswhilesailingaroundtheworld iwroteabookonhowplantsaredifferentfromeachotherandanimalsaredifferentfromeachother thebooktalksabouthowplantsandanimalschangeovermany manyyearstosuittheenvironmenttheylivein myhusbandandibothbelievedthatsciencewasthemostimportantpartofourlives wediscussedourworkandthelatestscientificevents suchasthediscoveryofx rays in1898 wefoundtwonewelementsthatgaveoffradiation wenamedthesetwoelementspoloniumandradium whoami madamcurie iamaninventor ilikedtoinventthings ofcourseididmanyexperiments thoughifailedmanytimesandpeoplelaughedatme isucceededatlast iinventedthelamp thomasedison iamaninventor ididmanyexperiments onceifliedakiteinbadweatherwithlightning iwantedtoshowpeoplethatlightningandelectricityarethesame itwasalittledangerous butisucceeded iinventedthelightningrodwhichprotectedbuildingsandshipsfromlightningdamage benjaminfranklin howmuchdoyouknowaboutbenjaminfranklin crack franklinwasnearlykilledbylightning howmuchdoyouknowaboutbenjaminfranklin hefirstsawhimselfinprintatage16 hetaughthimselftoreadfrench spanish latin anditalian hewasover45whenhedidtheexperimentsinelectricity athisdeathin1790 hewasburiedinchristchurchburialground step3 listentothetapeandfillintheblanks 1 benjaminfranklinanumberofexperimentsinwhichheshowedwhatelectricityis 2 thestringwasgetting 3 mostkitesaremadeofpaper butakitemadeofsilkwillnot sosooninweatherwithrainandstrongwinds 4 buildtheframeofthekitebymakingasmall oftwopiecesoflightwood 5 addatailtotheframeandalongstringtothecrosssoyoucancontrolthekite 6 first fixaverypieceofmetal pointingafootormoreabovetheframe tothetopofthelongerstickofthecross 7 thisribbon whichmustnotgetwet willyou theelectricity conducted charged tear cross tie sharp protect from step4 fastreading readthefollowingstatementsanddecideiftheyaretrueorfalse 1 in1752scientistsalreadyknewwhatlightningis 2 franklinwashelpedbyafriendtodotheexperiment 3 franklinmadethekiteofsilkbecausewetsilkdoesnotconductelectricity 4 acondenserwasusedintheexperimenttostoreelectricity 5 thekeytiedtothestringwasputintothedoortostopthekitefromflyingaway f f f t f step5intensivereading readthispassagealoudandfillintheformaccordingtoit june 1752 akite akey somebadweather acondenser franklinandhisson thunderstorm rainyday badweather toprovethatlightingandelectricityarethesame first second third answerthefollowingquestions whydidbenjaminfranklindothisexperimentwiththekite 2 whyisitbettertomakethekiteofsilkthanofpaper 3 doyouthinkfranklin sexperimentwasdangerous exlpain hewantedtoshowthatlightningandelectricityarethesamething becauseakitemadeofsilkwillnottearsosoonasakitemadeofpaperinbadweatherwithrainandstrongwinds yes franklin sexperimentwasverydangerousbecauseifsomethingwentwronghewouldbekilledbythelightning languagestudy wordstudy charge31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 cross11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 tear11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 g