b5u1-Reading-great-scientists-公开课优质课件解读

Unit1Greatscientists1.Whodiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?Archimedes2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?CharlesDarwin3.Whoinventedthefirststeamengine?JamesWattradium4.Whodiscoveredradium?MarieCurieThomasEdison5.Whoinventedthewayofgivingelectricitytoeverybodyinlargecities.6.Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?Leonardodavinci7.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened.ZhangHeng8.Whoputforwardatheoryaboutblackholes?StephenHawkingJohnSnowdefeats“KingCholera”What’sthepassageabout?A.JohnSnowwasawell-knowndoctorinLondon.B.ThecauseofCholerawaspollutedwater.C.Thesourceofalldrinkingwatershouldbeexamined.D.HowJohnSnowcollected,analyzeddataandfoundthecauseofthediseaseandsolvedit.PredictionPara.1JohnSnowwasafamousdoctorinLondon-soexpert,indeed,thatheattendedQueenVictoriaasherpersonalphysician.Buthebecameinspiredwhenhethoughtabouthelpingordinarypeopleexposedtocholera.Thiswasthedeadlydiseaseofitsday.Neitheritscausenoritscurewasunderstood.Somanythousandsofterrifiedpeoplediedeverytimetherewasanoutbreak.JohnSnowwantedtofacethechallengeandsolvethisproblem.Heknewthatcholerawouldneverbecontrolleduntilitscausewasfound.thisproblemThisWhatmightcausecholera?Para.21.Choleramultipliedintheair.2.Peopleabsorbedthisdiseaseintotheirbodieswiththeirmeals.gatheredinformationandmarkedthemamapHowdidJohnSnowprovehisidea?Thewaterfromthepumpmaycauseit.Para.3-4ManydeathsNodeathpubThewaterwasfromtheriverpollutedbythedirtywaterfromLondon.What’swrongwiththepumpwater?Para.5Removedthehandle…ThediseasesloweddownCholerawasspreadby.germsandnotincloudofgas.Whatwasthesupportingevidence?Awomanandherdaughterwholivedfarawaybutdrankthewaterfromthepumpalsodiedofcholera.Para.6Thepollutedwatercarriedthevirus.※Thesourceofallthewatersuppliesbeexamined.※Nottoexposepeopletopollutedwateranymore.Para.7JohnSnowcarriedouthisresearchby____.A.MakingexperimentsB.MakingcomparisonC.Makingfactinference(事实推理)D.Makinghypothesis(条件假设）Johnsnow---adoctor,QueenVictoriaasherpersonalphysician.Buthewaswillingtohelpordinarypeoplecholera.Manypeoplediedeverytimetherewasan.Hewantedtofacetheandsolvetheproblem.Twotheoriescaughthisattention.Thefirstsuggestedthatcholeramultipliedintheair.Thesecondsuggestedthatpeoplethisdiseaseintotheirbodiesandthediseaseattackedthebody.JohnSnowthesecondwasrightbutheneededevidence.WhenanotheroutbreakhitLondonin1854,hewasreadytobeginhisandtriedtogetinformation.Hefoundthatmostofthedeathswerenearawaterpumpandthespreadofthediseasewas8water.Withtheevidence,hewasabletothatpollutedwatercarriedthevirus.Afterthat,hesuggestedthesourceofallthewatersuppliesbeexamined.Finally“KingCholera”was.attendedexposedtooutbreakchallengeabsorbedsuspectedenquirylinkedtoannouncedefeatedfindaproblemmakeupaquestionanalyzetheresultscollectresultsdrawaconclusionfindsupportingevidencethinkofamethodfindaproblemmakeaquestionthinkofamethodcollectresultsanalyzetheresultsfindsupportingevidencedrawaconclusionStagestoproveanewideainscientificresearch?Edisoninventedelectricbulboillamp,dim,firedisastersafe,bright,electricbulbmakefilamentexperimentswithdifferentfilaments(灯丝）,1600kinds,failedtungsten(钨丝),burnforalongtime,useduntilnowbrighten,changes,benefit,1.Whatwastheproblemofthattime?3.Howdidhepracticehisidea?4.Analyzetheresults,makebreakthrough.Edisoninventedelectricbulb2.Whatanideadidhemakeup?oillamp(油灯),dim(暗的),dirty,causefiredisasterbright,safe,convenient,electricbulbmakeexperiments,withdifferentfilament(灯丝),asmanyas1600kinds,failedtungsten(钨丝),burnforalongtime,untilnow5.Makeaconclusiongreatinvention,brightenlife,greatchanges,benefitfindaproblemmakeupaquestionanalyzetheresultscollectresultsdrawaconclusionfindsupportingevidencethinkofamethodfindaproblemmakeaquestionthinkofamethodcollectresultsanalyzetheresultsfindsupportingevidencedrawaconclusionStagestoproveanewideainscientificresearchfindaproblemmakeupaquestionanalyzetheresultscollectresultsdrawaconclusionfindsupportingevidencethinkofamethodfindaproblemmakeaquestionthinkofamethodcollectresultsanalyzetheresultsfindsupportingevidencedrawaconclusionStagestoproveanewideainscientificresearch?Edisoninventedelectricbulboillamp,dim,firedisastersafe,bright,electricbulbmakeexperimentswithdifferentfilaments,1600kinds,failedtungsten(钨丝),burnforalongtime,useduntilnowbrighten,changes,benefit,Whatwastheproblem?AnalyzethemethodsDrawaconclusionEdisoninventedelectricbulbWhatwashisnewidea?Howtopracticehisidea?MakeabreakthroughOillamphadmanydisadvantageswantedtoinventelectricbulbtriedwithdifferentmaterials,butfailedSummedupexperienceandtriedfoundtungstenwire(钨丝）benefithumanbeingoillamphaddisadvantages(dark,dirty,firedisaster)wantedtoinventelectricbulb(safe,convenient)triedwithcarbonwirefirst,failed(burnforashorttime)triedothermaterials,failedtoo(asmanyas1600kinds)analyzedhisexperiments(giveuptheunsuitablematerials)foundtungstenwire(burnforlongtime,goodquality)benefithumanbeing(brighten…intheevening)Edisoninventedelectricbulboillamphaddi