人教必修5 unit 1 reading 课件.ppt

Book5Unit1Greatscientists,Catchthewordsandmakeasentence,putforward,drawaconclusion,attend,expert,facethechallenge,exposeto,defeat,beabsorbedin,deadly,cureof,Readingcompetition,朗读和口头翻译句子,1.JohnSnowsuspectedthatthesecondtheorywascorrectbutheneededevidence.2.Thecholeraoutbreakwassoseverethatmorethan500peoplediedin10days.3.JohnSnowhadnotforeseenthis,sohemadefurtherinvestigations.,4.Itseemedthatthewaterwastoblame.5.HefoundthatitcamefromtheriverpollutedbythedirtywaterfromLondon.6.Withthisextraevidence,JohnSnowwasabletoannouncewithcertaintythatpollutedwatercarriedthevirus.,Namesomefamousscientistsyouknowathomeandabroad.,AlexanderBellelectricityThomasEdisontheFirsttelephoneLaiteBrotherstheelectricbulbMadameCurieblackholesinUniverseFranklinTheoryofGravityStevenHawkingtheFirstPlaneElbertEinsteinRadiumIsaacNewtontheTheoryofRelativity,Hehasworkedinastronomyandstudiedblackholesinspace.Hehasshownthatblackholesdonotonlyabsorbeverythingaroundthembut,throwoutmatteraswell.Thisisanadvanceontheoldtheorywhichsaidthatblackholes“eat”everythingtheycomeacross.,10.Whoputforwardatheoryaboutblackholes?,StephenHawking,Heisamathematician.Hefoundthatifyouputanobjectintowater,thewaterpushestheobjectup.Itrisesandpartlyfloats.Theforceofthewaterpushingitupisthesameastheweightoftheobject.,1.Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?,Archimedes,HewasanAmerican(1847-1931)Hewasalreadyaninventorofotherelectricaldevices.Whenin1882,hedesignedasystemforprovidingNewYorkwithelectricityfromacentralpowerstation.Thiswasagreatachievement,whichhadbeenthoughtimpossiblebefore.,6.Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?,ThomasEdison,lightbulb,HewasfamousforthebookTheOriginofSpecies.Itexplainedhowplantsandanimalshadchangedovertimetofitinwithachangingenvironment.ManypeoplebelievedtheBiblewhenitsaidthattheGodmadethefirsttwopeople,(AdamandEve)andthatallotherpeoplecamefromthesetwo.Hisbookshowedthatpeoplehaddevelopedfromapesinstead.Sothiscausedalotofargumentbetweenreligiousandscientificpeople.Howeverhisideabecameveryinfluentialandisstillacceptedtoday.,2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?,CharlesDarwin,HeimprovedthefirststeampumpbuiltbyThomasSaveryin1698andturneditintoasteamenginefortakingwateroutofminesin1712.JamesWattimproveditstillfurtherinthe1770sturningitintothefirstmodernsteamengineusedontherailways.,3.Whoinventedthefirststeamengine?,ThomasNewcomen,In1898shediscoveredradium.ShereceivedtwoNobelprizes,one(withPierreCurie)forphysics(1903)andoneforchemistry(1911).ShewasthefirstwomantoreceiveaNobelprizeandthefirstwomantoteachattheSorbonne(巴黎大学).,3.Whenshewas39,Pierrediedinaroadaccident.Butshecontinuedtheirwork.CuriebecamethefirstwomanprofessorinFrancein1911,shewonasecondNobelPrize.Butyearsofworkingwithradiumruinedherhealth.Shediedofcancerin1934.HerdaugherIrenecontinuedCurieswork.ShealsoreceivedaNobelPrize.Sadly,Irenealsogotcanceranddiedyoung.Bothwomengavetheirlivesfortheirwork.,5.Whodiscoveredradium?,MarieCurie,thepowerofradium,Heinventedthefirstseismographtoindicateinthedirectionofanearthquake.Itwasintheshapeofacylinderwitheightdragonheadsroundthetop,eachwithaballinitsmouth.Aroundthebottomwereeightfrogsdirectlyunderadragonshead.Whenanearthquakeoccurred,aballfelloutofthedragonsmouth,makinganoise.,9.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?,ZhangHeng,Hewasafamousartistwhoseskillforshowinghumanskintonesmadehispaintingsseemtocomealive.Heusedtostudydeadpeopleinordertomakehispaintingsasaccurateaspossible.,7.Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?,LeonardodaVinci,theLastSupper,MonaLisa,Hegrewpeaplantsanddevelopedideasonheredity(遗传学)andinherited(继承,承传)characteristics.Heconcentratedoncross-fertilizing(施肥)peaplantsandanalyzingtheresults.,4.Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren?,GregorMendel,Hedidresearchintodifferentgasesanddiscoveredthemedicinalvalueofnitrous(麻醉)oxide(氧化物)(orlaughinggas)asananaesthetic(麻醉剂).In1815hedevelopedasafetylampforminers.Thesaftyhelmetmadeworkingundergroundverymuchsafer.,8.Whoinventedalamptokeepminerssafeunderground?,SirHumphryDavy,theSafetyLamp,4.HewasafamousdoctorinLondon-soexpert,indeed,thatheattendedQueenVictoriaasherpersonalphysician.Buthebecameinspiredwhenhethoughtabouthelpingordinarypeopleexposedtocholera,JohnSnow,Whatqualitiesdoyouthinkthegreatscientistshave?,Strongdeterminationcarefulnesscreationclevernesspatienceperseveranceobservationself-confidence,Letshaveacompetition!,1.Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?,B.Archimedes,C.ThomasEdison,A.CharlesDarwin,2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?,A.MarieCurie,C.CharlesDarwin,B.GregorMendel,3.Whoinventthefirststeamengine?,A.ThomasNewcomen,C.ThomasEdison,B.Archimedes,4.Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren.,A.ThomasEdison,C.Archimedes,B.GregorMendel,5.Whodiscoveredradium?,A.MarieCurie,C.Newton,B.ZhangHeng,6.Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?,A.StephenHawking,C.ThomasEdison,B.Archimedes,7.Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?,A.GregorMendel,C.MarieCurie,B.LeonardodaVinci,8.Whoinventedalamptokeepminerssafeunderground?,A.SirHumphryDavy,C.Faraday,B.ThomasNewcomen,9.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?,A.CharlesDarwin,C.Watt,B.ZhangHeng,10.Whoputforwardatheoryaboutblackholes?,A.StephenHawking,C.Copernicus,B.Archimedes,commoncharacteristics,cautious,persuasive,strict,(bestrictwithsb),positive,Co-operative,creative,bright,(brightness),enthusiastic,Readingforfun,Step1Enjoysomefamoussayingbyscientists“Nothingintheworldistobefeared;itisonlytobeunderstood.”-MarieCurie“Geniusisonepercentinspirationandninety-ninepercentperspiration.”-ThomasAlvaEdisonItisnotthestrongestofthespeciesthatsurvives,northemostintelligentthatsurvives.Itistheonethatisthemostadaptabletochange.-CharlesDarwin,写作,agreatscientist,whoinvent,discovermakecontributionstoItis_thatleadstohishersuccess.Frommypointofview,AsEinsteinsaid,”Ilearnalotf