新课标高一英语Unit16 Scientists at work2

Unit16Scientistsatwork整理pptFranklin’sFamousKiteExperimentperiod2整理pptDoyouknowthenamesofsomefamousscientists?整理pptAlbertEinstein整理pptThomasEdison整理pptNewton整理pptMadameCurie整理pptAlfredNobel

整理pptNobelMadameCurieNewtonThomasEdisonAlbertEinsteinWhataretheyfamousfor?整理ppt

Wehavelearnedthatsciencehasitsadvantagesanddisadvantages.Scientistsallovertheworldmademanyimportantdiscoveriesandinventions.Canyounamesomeofthem?整理pptTorch整理pptTelephoneMobilephone整理pptRocketSpaceshipShenzhou-V整理pptMaglevtrain整理pptComputer整理pptplane整理pptTVset整理pptTheyallneedelectricity.整理pptNoelectricity,nomodernlife.整理pptWhodiscoveredtheelectricity?整理pptBenjaminFranklin(1706---1790)Howdidhediscovertheelectricity?anAmericanprinter,author,diplomat,philosopher,andscientist

整理pptBenjaminFranklindiscoveredtheelectricityby

doing

/

conductinga

kiteexperiment.整理pptFranklin’sfamouskiteexperiment整理pptDescribeFranklin’sexperiment:Time:People:Weather:Purpose:Materials:Steps:Results:June,1752FranklinandhissonasanassistantThunderstorm,rainydayToprovelightningandelectricityarethesameAkite,akey,somebadweather,acondenser1.fix…to…2,fasten…to3,tie…toTheelectricitystoredinthecondensercanbeusedtodootherexperiments,whichprovesthatlightningandelectricityarethesame.■整理pptKiteKeyBadweather(thundercloud雷雨云)Condenser(charge充andstore存)■整理pptAsharpmetalAsilkribbonCross(frame)StringKey→→→Makeakite整理pptComeon!Daddy.■Fix…toFasten…toTie…to整理pptThepicturesshowhowFranklindidhisexperiment.Pickoutthecorrectones.整理pptTrue(T)orfalse(F)1.In1752scientistsalreadyknewwhatelectricityis.(

)2.Franklinwashelpedbyafriendtodotheexperiment.()3.Franklinmadethekiteofsilkbecausewetsilkdoesnotconductelectricity.()4.Acondenserwasusedintheexperimenttostoreelectricity.()5.Thekeytiedtothestringwasputintothedoortostopthekitefromflyingaway.()TTFFF

整理pptTheexperimentisverydangerous.HowdidFranklinusehiscreativitytoovercomevariousproblemsforhisexperiment?Discussion:整理pptHomework:

Writeanexperimentreportafterclass.

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