Great-scientists课件

Unit1GreatscientistsLearningGoals:WhatwillwelearninUnit1?WarmingupWhatimpressyoumostin2003?WhichpersonimpressyoumostduringtheSARS?ZhongNanshan(钟南山)Let’shaveacompetition!Doyouknowotherscientists?•Thefollowingisaquizandlet’sfindoutwhoknowsthemost.1.Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?B.ArchimedesC.ThomasEdisonA.CharlesDarwin(287-212BC)anancientGreekmathematician&physicist2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?A.MarieCurieC.CharlesDarwinB.GregorMendelCharlesDarwin(1808-1882)BritishauthorofTheOriginofSpecies3.Whoinventthefirststeamengine?A.ThomasNewcomenC.ThomasEdisonB.Archimedes(1663-1729)British,improvedthefirststeampumpandturneditintoasteamenginefortakingwateroutofminesin1712.4.Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren.A.ThomasEdisonC.ArchimedesB.GregorMendelCzech(1822-1884)5.Whodiscoveredradium?A.MarieCurieC.NewtonB.ZhangHeng(1867-1934)(PolishandFrench,wontwoNobelPrizes)6.Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?A.StephenHawkingC.ThomasEdisonB.Archimedes(1847-1931)anAmericaninventorThomasEdisonTheInventionsofThomasEdisonPhonograph留声机LightbulbMotionPictures7.Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?A.GregorMendelC.MarieCurieB.LeonardodaVinci(1452-1519)Italianartist8.Whoinventedalamptokeepminerssafeunderground?A.SirHumphryDavyC.FaradayB.ThomasNewcomen(1778-1829)British9.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?A.CharlesDarwinC.WattB.ZhangHeng(78-139)Chinese,inventedseismograph10.Whoputforwardatheoryaboutblackholes?A.StephenHawkingC.CopernicusB.Archimedes(1942--)aBritishastronomerJohnSnow•British(1813~1858)•alegendary(传奇的)figureinthehistoryofpublichealth,epidemiology（流行病学）andanesthesiology（麻醉学）WhatisCholera?CholeraistheillnesscausedbyabacteriumcalledVibriacholerae.Itinfectspeople’sintestines(肠),causingdiarrhea(腹泻),vomitingandlegcramps.Doyouknowhowtoproveanewideainscientificresearch?sevenstagesMakeaconclusionThinkofamethodCollectresultsMakeupaquestionFindaproblemAnalysetheresultsRepeatifnecessary①③②④⑤⑥⑦JohnSnowdefeats“Kingcholera”Doyouknowwhatwasthismapusedforin1854?FindingoutthecauseofCholera.•Whathappenedin1854?•Howmanypeoplediedin10days?•WhyistherenodeathatNo.20and21BroadStreetaswellasatNo.8and9CambridgeStreet?Task1:SkimandScan1.Whathappenedin1854?2.Howmanypeoplediedin10days?CholeraoutbreakhitLondon.5003.WhyistherenodeathatNo.20and21BroadStreetaswellasatNo.8and9CambridgeStreet?ThesefamilieshadnotdrunkthewaterfromtheBroadStreetpump.Task2detailedreadingReadandanswer:Paragraph1:1Whycouldn’tthecholerabeundercontrolatfirst?Neitheritscause,notitscurewasunderstood.•Trueorfalse:1.JohnSnowwasgladtohelpordinarypeople.2.JohnSnowthoughtcholerawouldneverbecontrolled.TFParagraph2学.科.网•What’sthetwotheories?Inyourwords.•Whichoneismorereasonable?学.科.网JohnSnowfinallyprovedthetheoryhebelievedby________.A.gatheringinformationwiththehelpofamapB.lookingintothesourceofthewaterforBroadStreetandCambridgeStreetC.separatingthosewhosufferedcholerafromthosewhodidn’tD.bothAandBE.bothAandCParagraph3&4Paragraph3&4•What’stheresult?Hefoundthecauseofcholerawasthepollutedwater.Paragraph5•Whenthecausewasfound,whatdidthepeopledo？Removethehandlefromthewaterpumpsoitcouldnotbeused.Paragraph6•What’stheextraevidence?TwootherdeathsinanotherpartofLondonthatwerelinkedtotheBroadStreetoutbreak.Paragraph7•WhatareJohnSnow’ssuggestions?①Thesourceofallwatersuppliesshouldbeexamined.②Newmethodsofdealingwithpollutedwatershouldbefound.③Thewatercompanieswerealsoinstructednottoexposepeopletopollutedwateranymore.What’sthemainideaofthepassage?A.JohnSnowwasawell-knowndoctorinLondon.B.ThecauseofCholerawaspollutedwater.C.Thesourceofalldrinkingwatershouldbeexamined.D.HowdidJohnSnowcollect,analyzedataandfindthecauseofthediseaseandsolvedit.Task3MindMapofthetextJohnSnowDefeats“KingCholera”Paragraph1:IntroductionofJohnSnowandCholeraParagraph2:TwotheoryFindaProblem:Whatcausethecholera?Makeupaquestion:Whichisright?Paragraph3-6:Studyofthebreakoutin1854Paragraph3:Studyofthebreakoutin1854Thinkofamethod:TesttwotheoryCollecttheresult:MarkthedeathParagraph4:Studyofthebreakoutin1854Analysetheresult:ReasonfordeathandnodeathParagraph5:Studyofthebreakoutin1854Paragraph6:Studyofthebreakoutin1854Repeatifnecessary:Findmoreevidence.Drawaconclusion:CholerawasspreadbygermPollutedwatercarriedcholeraAnalysetheresult:FindtheresourceofthewaterParagraph7:PreventionofCholera学.科.网JohnSnowdefeatKingCholeraReadthepassageagainandfillintheblanks:JohnSnowwasawell-known____inLondoninthe___century.Hewantedtofindthe______ofcholerainorderto______it.In1854whenacholera____out,hebegantogatherinformation.He_____onamapwhereallthedeadpeoplehadlivedandhefoundthatmanypeoplewhohaddrunkthedirtywaterfromthe______died.Sohedecidedthatthepollutedwatercarriedcholera.Hesuggestedthatthe_____ofallwatersupplybe_______andnewmethodsof________withpollutedwaterbefound.Finally,“KingCholera”wasdefeated.doctor19thcausedefeatbrokemarkedpumpsource