高中英语 Unit1 Great Scientists课件4 新人教版必修5

,Unit1GreatScientists,Archimedes阿基米德,CharlesDarwin达尔文,ThomasNewcomen纽可门,MarieCurie居里夫人,GregorMendel门德尔,LeonardodaVinci达芬奇,HumphryDavy汉弗莱戴维,StephenHawking斯帝芬霍金,ThomasEdison,1.Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?,B.Archimedes,C.ThomasEdison,A.CharlesDarwin,2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?,A.MarieCurie,C.CharlesDarwin,B.GregorMendel,3.Whoinventedthefirststeamengine?,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,similarities,careful,hard-working,strict,positive,talented,creative,bright,strong-willed,Whatshouldscientistsdotoproveanewideainscientificresearch?,Pre-reading,DrawaconclusionThinkofamethodCollectresultsMakeupaquestionFindaproblemAnalysetheresultsRepeatifnecessary,Whatorderwouldyouputthesevenin?,Findaproblem,Makeupaquestion,Thinkofamethod,Collectresults,Analysetheresults,Repeatifnecessary,Drawaconclusion,Whatimpressyoumostin2003?,infectious,Whatotherinfectiousdiseasesdoyouknow?,Forexample:Whenyoueatsomeseafood,Youfeel,Maybeyouhavegot_.,Cholera,JohnSnow,JohnSnowdefeats“Kingcholera”,Reading,Whodefeats“KingCholera“?HowmanytheoriesdidJohnSnowgotinterestedin?Whathappenedin1854?WhywastherenodeathatNo.20and21BroadStreetaswellasatNo.8and9CambridgeStreet?,JohnSnow,AnotherCholeraoutbreakhitLondon.,ThesefamilieshadnotdrunkthewaterfromtheBroadStreetpump.,two,JohnSnowDefeats“KingCholera”,Whatcausescholera?,Whichtheoryiscorrect?,GatherinformationwhenanotherCholerahitLondonin1854.,Hemarkedonamapwhereallthedeadpeoplehadlived.,Lookedintothesourceofthewater.,Twootherdeaths.,Thewateristoblame.Thesourceofalldrinkingwatershouldbeexamined.,Nobodyknewthecauseoftheseriousdiseaseofcholera,astrangecloudofgasattackedpeople.,peopleabsorbedthediseasewithmeals,gatherinformationfromcholeraoutbreak,Hefoundthecauseofcholerawasthepollutedwater,Idea2.Becausetheinformationshowedthatthedirtywatercarriedcholera,Hedefeatedcholerabyexaminingthewatersupplyanddealingwiththepollutedwater,JohnSnowfinallyprovedthetheoryhebelievedby_.A.gatheringinformationwiththehelpofamapB.lookingintothesourceofthewaterforBroadStreetandCambridgeStreetC.separatingthosewhosufferedcholerafromthosewhodidntD.bothAandB,Readthepassageagainandfillintheblanks:JohnSnowwasawell-known_inLondoninthe_century.Hewantedtofindthe_ofcholerainorderto_it.In1854whenacholera_out,hebegantogatherinformation.He_onamapwhereallthedeadpeoplehadlivedandhefoundthatmanypeoplewhohaddrunkthedirtywaterfromthe_died.Sohedecidedthatthepollutedwatercarriedcholera.Hesuggestedthatthe_ofallwatersupplybe_andnewmethodsof_withpollutedwaterbefound.Finally,“KingCholera”wasdefeated.,doctor,19th,cause,defeat,broke,marked,pump,source,examined,dealing,(in5minutes),Discussion:Discussthefollowingquestionsingroupsoffour.,1.,2.,3.,Cholerawasa19thcenturydisease.Whatdiseasedoyouthinkissimilartocholeratoday?,JohnSnowbelievedIdea2wasright.Howdidhefinallyproveit?,DoyouthinkJohnSnowwouldhavesolvedthisproblemwith-outthemap?Giveareason.,Twodiseases,whicharesimilartoday,areSARSandAIDSbecausetheyarebothveryserious,haveanunknowncauseandpublichealthcaretosolvethem.,JohnSnowfinallyprovedhisideabecausehefoundanoutbreakthatwasclearlyrelatedtocholera,collectedinformationandwasabletotiecasesoutsidetheareatothepollutedwater.,Keys,1.,2.,No.ThemaphelpedJohnSnoworganisehisideas.Hewasabletoidentifythosehouseholdsthathadhadmanydeathsandchecktheirwater-drinkinghabits.Heidentifiedthosehousesthathadhadnodeathsandsurveyedtheirdrinkinghabits.Theevidenceclearlypointedtothepollutedwaterbeingtheca