Unit16ScientistsatWork新版课件
日期：2010-05-18 05:41
Pre-readingReadingPost-readingPre-readingReadingPost-readingPre-readingLookatthepicturesWhoarethey?Aretheyfamous?Whataretheyfamousfor?AlexanderBellThefirsttelephoneEdisonTheelectriclampLaiteBrothersThefirstplaneStevenHawkingBlackholesinUniverseElbertEinsteinTheTheoryofRelativityMadameCurieRadiumandRadioactivityIsaacNewtonTheTheoryofGravityCharlesDarwinTheTheoryofEvolutionAretheirdiscoveriesimportant?LifewithoutelectricityelectricshockchargethemobilephoneWhatistherelationshipbetweenlightningandelectricityFamousKiteExperimentFranklin’sBenjaminFranklinAmericanstatesmaninventorwriterscientistAnelectricalperson，butlightstheworldSkippingWhydidBenjaminFranklindothisexperimentwiththekite?HewantedtoprovethatlightningandelectricityarethesameReadthetextquicklyandtrytogetthemainideaofeachparagraphHowdidhesucceedindoingtheexperiment?Whydidhedotheexperiment?Howtomakeaspecialkitefortheexperiment?Howtodotheexperimentwithakite，akeyandacondenser?Whatshouldbedonetogetreadyfortheexperime，
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