【课件】Unit+1+Reading+and+Thinking+公开课课件人教版（2019）选择性必修第二册.pptx

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1、Unit 1 Science and Scientists Reading and Thinking John Snow Defeats“King Cholera”What will be talked about from the title?John Snow Defeats“King Cholera”Who?How?What?Pre-Reading:predctionPre-Reading:predctionDraw a conclusion Think of a methodCollect results Analyse the results Make an assumption(a

2、sk a question)Find a problem Find supporting evidenceCan you put them in order and translate them into Chinese?seven stagesseven stagesHowHow to conduct scientific research?Pre-Reading:group discussionPage2 activity1think of a methodcollect datamake an assumptionfind a problemanalyze the resultsdraw

3、 a conclusionfind supporting evidenceSeven stages发现问题发现问题提出假设提出假设思考方法思考方法收集数据收集数据分析结果分析结果收集证据收集证据得出结论得出结论 Read for the steps of John Snows research1.find a problem3.think of a method 6.analyze the results4.collect data5.find supporting evidence7.draw a conclusion2.make an assumptionPara.1Para.2Para.

4、3Para.1-Para.3JOHN SNOW DEFEATS“KING CHOLERA”Cholera used to be one of the most feared diseases in the world,until a British doctor,John Snow,showed how it could be overcome.This illness causes severe diarrhoea,dehydration,and even death.In the early 19th century,when an outbreak of cholera hit Euro

5、pe,millions of people died from the disease.As a young doctor,John Snow became frustrated because no one knew how to prevent or treat cholera.In time,he rose to become a famous doctor,and even attended to Queen Victoria when she gave birth.However,he never lost his desire to destroy cholera once and

6、 for all.Para.11.Whats Cholera and its effect?2.Who is John Snow and whats his decision?Whateffectdecisionproblem problem Stage 1 find a problemPara.2 contradictorycontradictoryproof proof subscribe to subscribe to 1.What are the two theories?Which theory did John Snow support?Stage 2 make an assump

7、tion(ask a question)investigate investigate Find the seven stages in Para.3 Para.3 Stage 3 think of a method Stage 4 collect data Stage 5 analyze the results Stage 6 find supporting evidence Stage 7 draw a conclusion Find the seven stages in Para.3 Para.3 Stage 3 think of a methodmarkmarkmapmappubli

8、c house deathnumbers of housesstagecollect dataanalyze the resultsespecially house numbers_,_,_,and _death near the_households such as _ and _Broad street,_and_Cambridge Streethad_death_was to blamesuspectStage 4 collect data&Stage 5 analyze the results in Para.316 37 3840multiplewater pumpmany deat

9、hs202189nowhy?no deathwater pumpFind the seven stages in Para.3 Para.3 Stage 6 find supporting evidence Whats moreWhats more Find the seven stages in Para.3 Para.3 Stage 7 draw a conclusion As a result of this As a result of this evidence.evidence.announceannounce Read for detailed information in Pa

10、ra.4&5 1.What caused the outbreak of cholera in London?2.What contributions did John Snow make?Para.4&5 p polluted by raw wasteolluted by raw wasteThe water polluted by raw The water polluted by raw waste caused waste caused people people who drank who drank it get it get choleracholera.infected by

11、wasteinfected by waste Read for detailed information in Para.4&5 2.What contributions did John Snow make?Para.4&5 The Father of Modern The Father of Modern Epidemiology(Epidemiology(流行病学流行病学)discussioncholeracovid-19 marking on a mapmeasures taken removed the handle of the pumpsell clean water.metho

12、d of collecting data make a comparison discussioncholeracovid-19 mapmethod of collecting data nationwide color-based(基于颜色的)tracking system database discussioncholeracovid-19messures taken removed the handle of the pumpsell clean water.fill in online form including ID card number,travel history and h

13、ealth conditions,such as fever or coughhave a quarantine aeriel drones with disinfectant and loudspeakerwear a maskrobots to avoid human-to-human transmissionscan the QR code.homework1.According to seven steps of scientific research,work in groups to make a presentation about how John Snow Defeats“King Cholera”(a mind map like a flow chart is advised)2.Finish the exercises on Page 4.