资源描述
单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit 1 Great Scientists,Unit 1 Great Scientists,science,invention,discovery,research,equipment,lab,experiment,Scientific,do,carry out,perform,Brainstorming,evidence,method,scienceinventiondiscoveryresea,draw a conclusion,think of a method,collect results,make up a question,find a problem,analyse,the resu,repeat,if necessary,The stages of a scientific research,Put them in order,draw a conclusionThe stages of,John Snow Defeats“King,Cholera”,deadly,infectious,=causing death,=that can be spread quickly,SARS,Bird flu,AIDS,John Snow Defeats“King Choler,John Snow Defeats“King,Cholera”,deadly,infectious,severe,serious,Many 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 on the map.,John Snow Defeats“King Choler,John Snow Defeats“King,Cholera”,deadly,infectious,severe,serious,Neither its cause nor its,cure,was understood.,mysterious,Cholera would never be controlled until its cause was found.,Only when its cause was found would cholera never be controlled,.,John Snow Defeats“King Choler,John Snow Defeats“King,Cholera”,John Snow,(1813-1858),A famous doctor in London,Attended,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.,John Snow Defeats“King Choler,How did John defeat cholera?,draw a conclusion,think of a method,collect results,make up a question,find a problem,analyse,the results,repeat,if necessary,The problem,The question,The method,The result,The conclusion,Nobody 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 near the water,pump,.,How did John defeat cholera?dr,Finding the cause:two theories,Theory 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,affected,person died.,Finding the cause:two theorie,16,37,20,8,9,pump,38,40,21,John Snows Cholera Map,Many of the deaths were near the water pump.,Some families who had not drunk the water from the pump had no deaths.,7,Pub,Water!,16372089pump384021John Snows,16,37,20,8,9,pump,38,40,21,John Snows Cholera Map,It seemed that the water was,the troublemaker.,It seemed that the water was,the cause of the problem.,7,Pub,Water!,16372089pump384021John Snows,Finding more supporting evidence,The source of water came from the river polluted.,The disease slowed down soon after the handle was removed from the pump.,A woman and her daughter drank the water and died.,They,had it delivered,to their house every day.,They asked someone to deliver the water to their house.,Finding more supporting eviden,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.,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.,was,be sent,=officially tell somebody to do,What did John do after his dis,John Snow was so e _ that he a_Queen Victoria.He wanted to find 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 from 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”.,Summary,xpert,ttended,ause,efeat,hallenge,xposed,ictims,eadly,roke,arked,ump,andle,uggested,ource,nstructed,xpose,arried,ollect,xamined,efeated,John Snow was so e _ that,
展开阅读全文