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1、scienceinventiondiscoveryresearch equipmentlabexperimentscientific do carry out performBrainstormingevidencemethodWhat impress you most in 2003?Which person impress you most during the SARS?Zhong Nanshan (钟南山钟南山)福建厦门人，出身于医学世家。中国工福建厦门人，出身于医学世家。中国工程院院士，中华医学会会长。中国治疗呼吸系统疾病的领军人物。程院院士，中华医学会会长。中国治疗呼吸系统疾病的领
2、军人物。Do you know how to prove a new ideain scientific research?seven stagesdraw a conclusionthink of a methodcollect resultsmake up a questionfind a problemanalyse the resultsrepeat if necessaryThe stages of a scientific researchJohn Snow Defeats“King Cholera”deadlyinfectious=causing death=that can b
3、e spread quicklySARSBird fluAIDSJohn Snow Defeats“King Cholera”deadlyinfectioussevere seriousMany thousands of terrified people died every time there was an outbreak.whenever cholera broke out.a person died of cholera,John made a mark on the map.Every time a person died of cholera,John made a mark o
4、n the map.John Snow Defeats“King Cholera”deadlyinfectioussevere seriousNeither its cause nor its cure was understood.mysteriousCholera would never be controlled until its cause was found.Only when its cause was found would cholera never be controlled.John Snow Defeats“King Cholera”John Snow(1813-185
5、8)A famous doctor in LondonAttended Queen Victoria as her personal physician.He was so expert.He became inspired when he thought about helping ordinary people exposed to it.who were exposed to it.How did John defeat cholera?draw a conclusionthink of a methodcollect resultsmake up a questionfind a pr
6、oblemanalyse the resultsrepeat if necessary1.The problem2.The question3.The method4.The result5.The conclusionNobody knew the cause or the cure of cholera.Is the disease absorbed into bodies with meals?He marked on a map where all the dead had lived.The water was to blame.Many of the deaths were nea
7、r the water pump.Finding the cause:two theoriesTheory 1:Theory 2:Cholera multiplied in the air.A cloud of dangerous gas floated around until it found its victims.People absorbed this disease into their bodies with their meals.From the stomach the disease quickly attacked the body and soon the affect
8、ed person died.16372089pump384021John Snows Cholera Map1.Many of the deaths were near the water pump.2.Some families who had not drunk the water from the pump had no deaths.7PubWater!Water!16372089pump384021John Snows Cholera MapIt seemed that the water was the troublemaker.It seemed that the water
9、was the cause of the problem.7PubWater!Water!Finding more supporting evidence1.The source of water came from the river polluted.2.The disease slowed down soon after the handle was removed from the pump.3.A woman and her daughter drank the water and died.They had it delivered to their house every day
10、.They asked someone to deliver the water to their house.What did John do after his discovery?Suggest that the source of all the water supplies be examined.Instruct the water companies not to expose people to polluted water.should The first suggested that cholera multiplied in the air without reasons
11、.The second suggested that people absorbed this disease into their bodies with their meals.His pale face suggested that he _(be)seriously ill.And we suggested that he _(send)to the hospital at once.wasbe sent=officially tell somebody to do John Snow was so e _ that he a_Queen Victoria.He wanted to f
12、ind the c_ of cholera in order to d_ it.He was determined to face the c_ so that people e_ to it would not be v_ of the d_ disease.In 1854 when a cholera b_ out,he began to c_ information.He m_ on a map where all the dead people had lived and he found that many people who had drunk the dirty water f
13、rom the p_ died.So he decided that the polluted water c_ the virus.He told people to remove the h_.He s_ that the s_ of all water supply be e_ and the water companies were i_ not to e_ people to polluted water any more.He eventually d_“King Cholera”.Summaryxpertttendedauseefeathallengexposedictimseadlyrokearkedumpandleuggestedourcenstructedxposearriedollectxaminedefeated