Unit1ScienceandScientistsReadingandthinking課件-高中英語(yǔ)人教版選擇性（精修版）

JohnSnowDefeats“KingCholera”Unit1ScienceandscientistReadingandthinkingWhatotherinfectiousdiseasesdoyouknow?malariaSARSblack

deathSpanishfluEbolaAIDSsmallpoxCholeraTB

Lead-inplaguePredictionPutthestagesofscientificresearchinthecorrectorder.

StagesofScientificResearchfindaproblemdrawaconclusioncollectdataaskaquestionfindthesupportingevidenceanalyzetheresultsthinkofamethodPredictionWhoHowWhatWhatmightbetalkedaboutinthetext?WhyCholerawascalled“King”atthattime?PersonificationBecauseitclaimed/tookalotoflives.ReadforStructureScanthewholetextandfindoutthemainideaofeachpart.Para.1:Whatischolera?WhoisSnow?Para.2-3:HowdidSnowdefeatcholeraPara.4:ThetruthofcholeraPara.5:ResultsandcontributionReadforDetails(Para.1)Read

Para.1andfinishtheinformationcardsJohnSnowKingCholeraIdentity:Symptoms:Consequence:Occupation:Nationality:Desire:oneof________________intheworld_______ofpeoplediedfromitwhenithitEuropeintheearly19thcenturyseverediarrhea,dehydration,andeven____________whenshegivebirth)themostfeareddiseasesdeathBritainMillionsAfamous_______(whoevenattendto_____doctorQueenVictoriaTodestroycholeraonceandforall.ReadforDetails(Para.2)WhatwerethetwotheoriesandwhichdidJohnSnowagreewith?twocontradictorytheoriesBadaircausedthedisease.Cholerawascausedbyaninfectionfromgermsinfoodorwater.transmissionReadforDetails(Para.2)badair

theorygermtheoryReadforDetails(Para.2)WhatmethoddidJohn

Snowuse?findaproblemaskaquestionthinkofamethodSnowbeganbymarkingonamap

theexactplaceswhereallthosewhodiedhadlived.ReadforDetails(Para.3)Pairwork:Observethemapandanalyzeitwithquestions.Whatdoes“—”mean?HowaboutPH?WhichhousenumbershadmorethanfourdeathsinBroadStreet?WhichhousenumbershadnodeathsinBroadStreet?Whysomehouseholds(2o,21,8and9)hadnodeath?What’sthesimilarityamongthehousesinBroadStreet

that

hadmultipledeath?What’syoudeduction/assumption?Nearthewaterpump.Thewaterpumpwastoblame./Thereissomethingwrongwiththewaterpump.Becausethesepeopleworkedinthepubat7CambridgeStreet.Theyhadbeengivenfreebeer,andsohadnotdrunkthewaterfromthepump.findthesupportingevidenceDidJohnSnowmakehisresearchresultspublictheminutehefoundoutthatthepollutedwatermightbetoblame?

Whynot?Whatdidhedoinstead?

ReadforDetails(Para.3)assumptionReadforDetails(Para.3)supportingevidenceconclusionactionresultsassumptionLet’sreview&retellStagesofScientificResearchfindaproblemaskaquestioncollectdatathinkofamethodanalyzetheresultsfindthesupportingevidencedrawaconclusionReadparagraph4-5andanswerthefollowingquestions:ReadforDetails(Para.4-5)ThewaterwhichcamefromtheRiverThameshadbeeninfectedbywaste.No.Howcanwepreventcholera?DrinkandusesafewaterWashyourhandsoftenUsetoiletsCookrawfoodthoroughly,keepitcovered,eatithotCleanupsafelyWatchthevideoandanswerthefollowingquestions:ReadforDetails(Para.4-5)ThewaterwhichcamefromtheRiverThameshadbeeninfectedbywaste.No.Hehelpedpeopleknowhowtopreventcholera.Hetransformedthewayscientistsstudydiseasebyusingmapsandstatistics.contributionachievementWhycouldJohnSnowdefeatKingCholera?DiscussthequalitiesofJohnSnowbasedonwhathedid,givingevidencetosupportyourconclusion.HomeworkQualitiesSupportingEvidencecriticalthinking;questioningmindastrongdesiretoexploretwocontradictorytheoriesSnow