Unit3Developingideas课件-外研版高中英语必修第三册

Unit3TheworldofsciencePeriod5DevelopingideasWhoishe?BenjaminFranklinLead-inActivity1ReadtheintroductiontoBenjaminFranklin.BenjaminFranklin(1706–1790)wasoneoftheFoundingFathersoftheUnitedStatesandhelpeddrafttheDeclarationofIndependence.Apartfrombeingasuccessfulstatesman,hewasalsowellknownasaleadingAmericanauthor,printerandpublisher,successfuldiplomat,creativescientistandinventor.HisFamousExperimentIassumethatBenjaminFranklinisa...person.Inmyopinion,maybeheis...Activity2ReadthepassageandfindoutwhatFranklin’sexperimentaimedtoprove.ExperimentThekitelightningexperimentAimMaterialProcedureConclusionTotestiflightningwasreallyproducedbyelectricity.AkitewithastringandametalkeyFirst,Franklinflewakitewithastringandametalkey.Then,whenaflashoflightninghitthekite,electricitywasconductedthroughthestringtothekey.Finally,touchingthekey,Franklingotanelectricshock.Lightningwasaformofelectricity.Para.1

A.Questioningacceptedideas.Para.2B.

Benefitsofthestoriesaboutexploringscience.Para.3C.BenjaminFranklin’sfamousexperiment.Para.4D.FactsshouldbeprovedbyexperimentsandresearchPara.5E.Introductionofthethemeofthetext.Para.6F.Noteverythingabouttheexperimentistrue.Activity3Matchthemainideaswitheachparagraphs.IntroducethethemeofthepassageExplainethethemeindetail

TransitiontoanotherviewpointtofurtherexplainthethemeSumup

Franklin’sspiritofscientificexplorationisstillconsideredaninspiration. PeopleareamazedatandinspiredbyFranklin’sexperiment. ScientistsquestionwhatreallyhappenedinFranklin’sexperiment.132Activity3Numberthestatementstoshowhowpeople'sattitudestowardsFranklin'sexperimenthavechanged.1)DoyouthinkitmattersthatFranklin’sexperimentmightnotbetrue?Why?

egNo.Becausewhatreallymattersliesinhisbraverytodotheexperiment.2)Whatisyouropinionaboutthestatement"…weshouldnotalwaysbelieveeverythingwereadorhear-evenifitisagreatstory"?

egSometimesareallygreatstorymaynotbetrue,andweneedtohavecriticalthinking.3)Whatqualitiesdoyouthinkagreatscientistshouldhave?

egIthinkagreatscientistshouldbepatient,serious,brave,careful,creativeandimaginative…4)Inwhatwaysdoscientistscontributetosociety?Firstly,scientificdiscoveriespromotethedevelopmentofoursociety.Secondly,thecontributionsofscientistsinmedicineextendourlifespan.