unit16课件
日期：2010-06-04 06:35
akey，pleasetalkaboutthemMatchthewordswiththenamesofthegreatscientists:AlexanderBellexplosiveEdisontheoryofevolutionEinsteinradiumNobeltelephoneMarieCurieelectricbulbDarwintheoryofrelativityPre-reading1DoyouknowsomethingaboutFrankling?FranklinwasaNorthernAmericanscientistanddiscoveredthesecretoflightning2Howdidhediscoverthesecret?HediditthroughafamouskiteexperimentFranklinLightningKiteThesethreearedifferentthingsCantheyberelative?FranklindidakiteexperimenttoprovethatelectricityandlightningarethesameFranklin’sFamousKiteExperimentWhile-readingLookatthetextbookandlistentothetapecarefully，Revisionanddiscussion:MakeupadialoguetalkingaboutadvantagesanddisadvantagesofcomputerLookatthepicturesoftelephones，thentrytocompletethefollowingchartTask1ArecordoftheexperimentKiteExperimentFranklinandhissonLightningandelectricityarethesameakite，somereallybadweatherandacondenserInJune1752Task2Readthe，
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