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

Unit1ScienceandScientists

ReadingandThinking

JohnSnowDefeats“KingCholera”Whatwillbetalkedaboutfromthetitle?JohnSnow

Defeats“KingCholera”Who?How?What?Pre-Reading:predctionDrawaconclusionThinkofamethodCollectresultsAnalysetheresults

Makeanassumption(askaquestion)FindaproblemFindsupportingevidenceCanyouputtheminorderandtranslatethemintoChinese?

sevenstagesHowtoconductscientificresearch?Pre-Reading:groupdiscussionPage2activity1thinkofamethodcollectdatamakeanassumptionfindaproblemanalyzetheresultsdrawaconclusionfindsupportingevidenceSevenstages发现问题提出假设思考方法收集数据分析结果收集证据得出结论

Read

for

the

steps

of

John

Snow’s

research1.findaproblem3.thinkofamethod

6.analyzetheresults4.collectdata5.findsupportingevidence7.drawaconclusion2.makeanassumptionPara.1Para.2Para.3Para.1--Para.3JOHNSNOWDEFEATS“KINGCHOLERA”

Cholerausedtobeoneofthemostfeareddiseasesintheworld,untilaBritishdoctor,JohnSnow,showedhowitcouldbeovercome.Thisillnesscausesseverediarrhoea,dehydration,andevendeath.Intheearly19thcentury,whenanoutbreakofcholerahitEurope,millionsofpeoplediedfromthedisease.Asayoungdoctor,JohnSnowbecamefrustratedbecausenooneknewhowtopreventortreatcholera.Intime,herosetobecomeafamousdoctor,andevenattendedtoQueenVictoriawhenshegavebirth.However,heneverlosthisdesiretodestroycholeraonceandforall.Para.11.What’sCholeraanditseffect?2.WhoisJohnSnowandwhat’shisdecision?WhateffectdecisionproblemStage1findaproblemPara.2contradictoryproofsubscribeto1.Whatarethetwotheories?WhichtheorydidJohnSnowsupport?Stage2makeanassumption(askaquestion)investigateFindthesevenstagesinPara.3

Para.3Stage3thinkofamethod

Stage4collectdata

Stage5analyzetheresultsStage6findsupportingevidenceStage7drawaconclusionFindthesevenstagesinPara.3

Para.3Stage3thinkofamethodmarkmappublichousedeathnumbersofhousesstagecollectdataanalyzetheresultsespeciallyhousenumbers___,___,__,and___________deathnearthe____________householdssuchas___and____Broadstreet,____and___CambridgeStreethad______death________wastoblamesuspectStage4collectdata&Stage5analyzetheresultsinPara.316373840multiplewaterpumpmanydeaths202189nowhy?nodeathwaterpumpFindthesevenstagesinPara.3

Para.3Stage6findsupportingevidenceWhat’smoreFindthesevenstagesinPara.3

Para.3Stage7drawaconclusionAsaresultofthisevidence...announceReadfordetailedinformationinPara.4&51.WhatcausedtheoutbreakofcholerainLondon?2.WhatcontributionsdidJohnSnowmake?Para.4&5pollutedbyrawwasteThewaterpollutedbyrawwastecausedpeoplewhodrankitgetcholera.infectedbywasteReadfordetailedinformationinPara.4&52.WhatcontributionsdidJohnSnowmake?Para.4&5TheFatherofModernEpidemiology(流行病学)discussioncholeracovid-19

markingonamapmeasurestakenremovedthehandleofthepumpsellcleanwater

methodofcollectingdata

makeacomparisondiscussioncholeracovid-19

mapmethodofcollectingdata

nationwidecolor-based(基于颜色的)trackingsystem

databasediscussioncholeracovid-19messurestakenremovedthehandleofthepumpsellcleanwater

fillinonlineformincludingIDcardnumber,travelhistoryandhealthconditions,suchasfeverorcoughhaveaquarantineaerieldroneswithdisinfectantandloudspeakerwearamaskrobotstoavoidhuman-to-humantransmissionscantheQRcode...homeworkAccording