外研版（2019）必修第三冊Unit 3 The world of Science Developing ideas 課件

draftdeclaration

experiment

lightning

fiction

metalattachflashv.起草，草擬n.

聲明，宣告n.

(科學(xué))實(shí)驗(yàn)n.

閃電n.

虛構(gòu)的事，想象的事n.

金屬v.

系，綁；貼n.

閃光conductscientific

entirely

gravity

accountproofprocedurev.傳導(dǎo)（熱、電）adj.科學(xué)（上）的adv.完全地，徹底地n.重力，引力n.記述，描述n.

證明，證據(jù)n.程序，步驟，手續(xù)Whatelsedoyouknowabouthim?BenjaminFranklin(1706-1790)wasoneoftheFoundingFathersoftheUnitedStatesandhelpeddrafttheDeclarationofIndependenceandtheUSConstitution.Apartfrombeingasuccessfulstatesman,hewasalsowellknownasaleadingAmericanauthor,printerandpublisher,successfuldiplomat,creativescientistandinventor.BenjaminFranklinReadthepassageandfindoutwhatFranklin'sexperimentaimedtoprove.Franklin'sexperimentaimedtoprove

thatlightningwasaformofelectricity.Task1P422□

LearningtolearnAnessaytitleoftencontainsanexplicitorimplicitquestionwhichyouressayshouldfocusonanswering.Forexample,thetitle“Franklin'sExperiment:HowMuchIsTrue?''makesitclearwhatquestionisbeingansweredwithintheessay.Para.1Para.2Para.3Para.4Para.5Para.6Readthepassageandmatchthemainideaswiththeparagraphs.Task2A.TheeffectoftheexperimentB.TheintroductiontoFranklin'sfamousexperimentC.ConclusionD.DoubtaboutFranklin’sexperimentE.HowtheexperimentiscarriedoutF.DoubtaboutotheracceptedideasExperimentThekiteexperimentAimMaterialProcedureConclusionFillintheexperimentreport.TotestiflightningwasreallyproducedbyelectricityAkitewithastringandametalkey1.raisedakitewithapieceofstringtiedtoit,andametalkeywasattachedtothestring;2.Whenaflashoflightninghitthekite,theelectricitywasconductedthroughthestringtothekey;3.

touchedthekeyandgotanelectricshockLightningwasaformofelectricity.Task3Franklin'sspiritofscientificexplorationisstillconsideredaninspiration.PeopleareamazedatandinspiredbyFranklin'sexperiment.ScientistsquestionwhatreallyhappenedinFranklin'sexperiment.Numberthestatementstoshowhowpeople'sattitudestowardsFranklin'sexperimenthavechanged.213Task4P4431.What'sthemeaningof“…ifFranklinhadactuallytouchedthekey,hewouldcertainlyhavediedfromtheelectricshock.”2.Howmuchistrueaboutthestoryofthisexperiment?3.WhatisthepurposeofthestoryofNewton?Actuallyhedidn'ttouchthemetalkeyintheexperiment.Thisexperimenttookplaceindeed.Thedetailaboutthestringandthekeyistrue.ButFranklindidn'ttouchthekeyintheexperiment.Answerthequestions.Task5Toshowtheacceptedstoryisquestionedbythescientists.2.Whatisyouropinionaboutthestatement“…weshouldnotalwaysbelieveeverythingwereadorhear-evenifitisagreatstory”?1.DoyouthinkitmattersthatFranklin'sexperimentmightnotbetrue?Why?Task6P452.Whatisyouropinionaboutthestatement“…weshouldnotalwaysbelieveeverythingwereadorhear-evenifitisagreatstory”?1.DoyouthinkitmattersthatFranklin'sexperimentmightnotbetrue?Why?→No.Althoughitmightnotbetrue,wearestillinspiredbyhisspiritofscientificexploration.Ithinkthestatementisright.Fromascientificstandpoint,peopleshouldsticktothefactsandthefactsshouldbeprovedbyexperimentsandresearch.Agreatstoryisfictionwhichisoftenmoreinterestingthanthetruth.→Yes.Inscience,factsshouldbemoreimportantthanfiction.1.Whatqualitiesdoyouthinkagreatscientistshouldhave?P452.Inwhatwaysdoscientistscontributetosociety?Agreatscientistshouldhavemorethanonegoodquality,suchasbeing

smart,intelligent,honest,objective,persistent,brave,creative,andimaginative...Firstly,scientificdiscoveriespromotethedevelopmentofoursociety.Secondly,thecontributionsofscientistsinmedicineextendourlifespan.Thirdly,scientistshaveinventedalotofsurprisingtoolsthatfundamentallyimproveourlivingstandards.Franklin'sexperiment:Howmuchistrue?whatpeople'sattitudeproceduresaimconclusionmaterialsamazed&inspireddoubtful;butstillinspiredCriticalthinkingRetellthepassagewiththehelpofgraphicorganizer.

BenjaminFranklin'sfamousexperimentwithlightninghasintroducedgenerationsofchildrentoscience.However,newresearchsuggeststhatthestorymaybefictioninsteadoffact.

Toproveiflightningwasreallyproducedbyelectricityorsomethingelse,Franklindidanexperimentbyusingakitewithapieceofstring1.______

(tie)toit.Ametalkeywasattachedtothestring.Aflashoflightninghitthekite,andelectricitywasconductedthroughthestringtothekey.WhenFranklintouchedthekeywithhisfinger,hegotanelectricshock,2._______provedthatlightningwasaformofelectricity.Formanyyears,thestoryofFranklin'slightningexperiment3._________

(teach)tochildrentoinspirethemtolookforthetruththrough4.________

(science)experiments.However,neitherthestorynorthedetailsoftheexperimentare5._________

(entire)true,becauseifFranklinhadactuallytouchedthekey,hewouldcertainlyhavedied6._________theelectricshock.

Scientistsoftenquestionacceptedideasbecausetheywant7.__________(establish)thefacts.SomehaveevenquestionedthestoryabouttheapplethatfellonNewton‘sheadandled

himtocomeupwithhistheoryofgravity,becausethereisno8._______

(prove)thatthefallingapplehithimon9.________head.

Inscience,factsshouldbeprovedbyexperimentsandresearch,andweshouldnotalwaysbelieveeverythingwereadorhear-evenifit10.

_____(be)agreatstory.Ⅱ.根據(jù)課文內(nèi)容，在空白處填入1個適當(dāng)?shù)膯卧~或括號內(nèi)單詞的正確形式。tiedwhichhasbeentaughtscientificentirelyfromtoestablishprooftheis1.放風(fēng)箏2.電的一種形式

3.數(shù)代人4.嘆服于……

5.把……系到……上6.與……一起；與……同樣地

7.一道閃電8.死于觸電

9.打在某人的頭上

flyakiteaformofelectricitymorethanonegenerationbeamazedbytie...to...alongwithaflashoflightningdiefromtheelectricshockhitsb.onthehead1.CouldyouturntheTVdownalittle?Yourdadisd_________areportinhisstudy.2.Manye__________willhavetobedonebeforescientistscangiveaclearanswertothisquestion.3.Ouruncle,Robert,gaveusadetaileda_________ofwhathehaddoneinChinaoverdinner.4.Unlikeplastics,mostofthemetalscanc________heatorelectricity.5.Alltheresearchersneedtobepatient,fortheentirep_________