课件英语必修三Unit3Developingideas.pptx

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课件英语必修三Unit3Developingideas.pptx

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Unit3TheworldofscienceBYMICHELLEDevelopingideas

Lead-in:Whatcanyougetfromthevideo?GalileoExperimentsontheLeaningTowerofPisaNewtonGravity

Pre-reading:Whatdoyouknowabouthim?BenjaminFranklin(1706-1790)wasoneoftheFoundingFathersoftheUnitedStatesandhelpeddrafttheDeclarationofIndependence.Apartfrombeingasuccessfulstatesman,hewasalsowellknownasaleadingAmericanauthor,printerandpublisher,successfuldiplomat,creativescientistandinventor.美国的开国元勋之一政治家作家印刷商出版商发明家外交官科学家起草《独立宣言》

Toencouragereaderstoquestionthisexperiment.ReadingTip:Werecognizethepurposebyreadingthetitle,firstparagraphandlastparagraph.Pre-reading:Whatisthefunctionofthequestionmark?

明确的隐含的

While-reading:ReadthepassageandfindoutwhatFranklinsexperimentaimedtoprove.Franklinsexperimentaimedtoprovethatlightningwasaformofelectricity.

While-reading:Readandmatchthemainideas.Paragraph1A.Questioningacceptedideas.Paragraph2B.Benefitsofthestoriesaboutexploringscience.Paragraph3 C.BenjaminFranklin’sfamousexperiment.Paragraph4 D.Summingupthethemethetext.Paragraph5E.Introductionofthethemeofthetext.Paragraph6F.Noteverythingabouttheexperimentistrue.

While-reading:Readandfillintheexperimentreport.AimMaterialsResultProcedures?ExperimentReportToproveiflighteningwasreallyproducedbyelectricityorsomethingelse.Akitewithastringandametalkey.Lightningwasaformofelectricity.

Aflashoflightninghitthekite.Electricitywasconductedtothekey.Franklingotanelectricshock.Franklintouchedthekey.Franklinraisedthekite.1234

1Readandretelltheexperiment.234Heraised?the?kite?with?a?piece?of?string?tied?to?it.?Ametal?key?was?attached?to?the?string.?A?flash?oflightning?hit?the?kite,?and?electricity?was?conductedthrough?the?string?to?the