Whatdoyouknowaboutgreatscientists?TrythequizonP1andfindoutwhoknowsthemost.Warmingup1.Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?Archimedes(287-212BC)anancientGreekmathematician&physicist2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?CharlesDarwin(1808-1882)BritishauthorofTheOriginofSpecies3.Whoinventedthefirststeamengine?ThomasNewcomen(1663-1729)British,improvedthefirststeampumpandturneditintoasteamenginefortakingwateroutofminesin1712.JamesWattimproveditandturneditintothefirstmodernsteamengineusedontherailways.4.Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren?GregorMendel(1822-1884)Czech(捷克人)5.Whodiscoveredradium?MarieCurie(1867-1934)(PolishandFrench,wontwoNobelPrizes)6.Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?ThomasEdison(1847-1931)anAmericaninventor7.Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?LastSupperMonaLisaLeonardodaVinci(1452-1519)Italianartist8.Whoinventedalamptokeepminerssafeunderground?SirHumphryDavy(1778-1829)BritishMiniatureMiner'sSafetyLamp9.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?ZhangHeng(78-139)Chinese,inventedseismograph10.Whoputforwardatheoryaboutblackholes?StephenHawking(1942--)aBritishastronomer1.DoyouknowaboutSARS?1.DoyouknowaboutSARS?Itisakindofterribleinfectiousdiseaseinfectiousdiseasecausedbydrinkingdirtywateranditcausedalotofdeathsintheoldtimesanditwasverydifficulttodefeat.ItisakindofterribleItisakindofterribleinfectiousdiseaseinfectiousdisease,whichkilled,whichkilledmanypeople.manypeople.2.Doyouknowaboutcholera?2.Doyouknowaboutcholera?ButButJohnSnow,awell-knowndoctorinthe19thcenturyinLondon,defeated“KingCholera”.JohnSnowDefeats“KingCholera”JohnSnowDefeats“KingCholera”Let’sgettoknowhowDr.JohnSnowdefeated“KingLet’sgettoknowhowDr.JohnSnowdefeated“KingCholera”in:Cholera”in:JohnSnow(1813-JohnSnow(1813-1854)1854)“Forhispersistenteffortstodeterminehowcholerawasspreadandforthestatisticalmappingmethodsheinitiated,JohnSnowiswidelyconsideredtobethefatherofepidemiology(流行病学)."JohnSnowDefeats“KingCholera”JohnSnowDefeats“KingCholera”Whycouldn'tcholerabecontrolledatfirst?Whycouldn'tcholerabecontrolledatfirst?A.A.ItscausewasnotunderstoodItscausewasnotunderstoodB.B.ItscurewasnotunderstoodItscurewasnotunderstoodC.C.NeitheritscausenoritscurewasuNeitheritscausenoritscurewasunderstoodnderstoodFirstReading(in10minutes):(in10minutes):WritedownthemainideaofeachparagraphPara1:Para2:Para3:Para4:JohnSnowwasafamousdoctorinLondonandhewaskindenoughtohelptheordinarypeoplewithcholera.JohnSnowwasinterestedintwotheoriesaboutcholera.JohnSnowcollectedinformationtotestthetwotheories.Themapshowedthatthepollutedwatermightbethereasonforcholera.Para5:Para6:Para7:Thereasonforcholerawasthatthesourceofthewater(水源)waspolluted.JohnSnowwassureenoughthatpollutedwatercarriedthediseaseofcholera.JohnSnowsuggestedhowtopreventcholerafromhappeningagain.JohnSnowDefeats“KingCholera”JohnSnowDefeats“KingCholera”ThepassageiswrittenasareportofanexperimentandthereareThepassageiswrittenasareportofanexperimentandthereare77stepssteps::1.Findaproblem:1.Findaproblem:2.Makeupaquestion:2.Makeupaquestion:3.Thinkofamethod:3.Thinkofamethod:4.Collectresults:4.Collectresults:5.Analyseresults:5.Analyseresults:6.Repeatifnecessary:6.Repeatifnecessary:7.Drawaconclusion:7.Drawaconclusion:Steps:What/How?1.Findaproblem2.Makeupaquestion3.Thinkofamethod4.collectresultsJohnSnowDefeats“KingCholera”JohnSnowDefeats“KingCholera”Whatcausescholera?Whichtheoryiscorrect?CollectinformationonthosewhowereillordiedandwheretheygottheirwaterMarkinformationonamaptofindoutwherepeoplediedordidnotdie6.Repeatifnecessary7.Makeaconclusion5.AnalyseresultsAnalysethewatertoseeifthatisthecauseoftheillnessFindotherevidencetomakesuretheconclusionThewateristoblame.Thesourceofalldrinkingwatershouldbeexamined.