Unit1ScienceandscientistReadingandThinking课件-高中英语人教版选择性

Unit1ScienceandScientists

ReadingandThinking

JohnSnowDefeats“KingCholera”Video-watchingWhilewatching,consider:1)Howdoscientistsperceiveandinterprettheworld?2)Whatismainlyincludedinascientificprocess?ScientificprocessPredicting

JohnSnowDefeats“KingCholera”&WhoisJohnSnow?&Whatis“KingCholera"?&WhyisCholeracalledthe“King"?&HowdoesJohnSnowdefeat“KingCholera"?&Whatisthesignificanceofdefeating“KingCholera"?

Scanning&CooperationScanandlocatetheanswers.&WhoisJohnSnow?&Whatis“KingCholera"?&WhyisCholeracalledthe“King"?&HowdoesJohnSnowdefeat“KingCholera"?&Whatisthesignificanceofdefeating“KingCholera"?

research/investigationprocess

BackgroundinformationaboutJohnSnowandcholeraPara.2-4Influence/significance

Detailedreading(Para.1)JohnSnowcholeraWho?

A________doctorwhoevenattended_______________whenshegavebirth.What?

Hehadadesireto________________onceandforall.What?Itusedtobeoneof____________________intheworld.becauseitcauses_____________________________________.When?

________________________.Where?

__________________.Whatconsequence?

Millionsofpeople__________________.famousdestroycholeraQueenVictoriathemostfeareddiseasesseverediarrhoea,dehydrationandevendeathIntheearly19thcenturyEuropediedfromthediseaseadoctorwithexpertiseandfamearesponsibledoctorwithdeterminationandsympathyaseverediseaseadeadlyinfectiousdisease“KingCholera”=________choleradeadly

Detailedreading(Para.2-4)JohnSnowcholeraReadandfindwhatJohnSnowdidtodefeatcholera.A.Itwasbelievedthatcholerawascausedby_____________orgermsin_______________.wascausedbyorgermsinB.Snow_________theplaceswherethepeoplewho___________hadlived.orgermsinC.Manydeathsoccurrednearthe_________inBroadstreet.Somepeople_______drunkthewaterfromthepump,andlived.AwomanandherdaughterdiedinanotherpartofLondonafter___________________D.Thepumpwatercarried__________.wascausedbyorgermsinE.The_________ofthewaterpumpwasremoved.wascausedbyorgermsinbadairfoodorwatermarkeddiedwaterpumphadnotdrinkingwaterfromthepumpcholeragermshandleDCBEA

Ingeneral,doctorsinthosedayshadtwocontradictorytheoriestoexplainhowcholeraspread.Onetheorywasthatbadaircausedthedisease.Theotherwasthatcholerawascausedbyaninfectionfromgermsinfoodorwater.Snowsubscribedtothesecondtheory.Itwascorrect,buthestillneededproof.Consequently,whenanoutbreakofcholerahitLondonin1854,Snowbegantoinvestigate.Hediscoveredthatintwoparticularstreetsthecholeraoutbreakwassoseverethatmorethan500peoplediedintendays.Hewasdeterminedtofindoutwhy.TheoriesA.Itwasbelievedthatcholerawascausedbybadairorgermsinfoodorwater.wascausedifferentandconflictingagreewithSnowraisedaquestion:Ischoleraspreadbygermsinwater?Process

Snowmarkedtheplaceswherethepeoplewhodiedhadlived.Snowthoughtofamethodandcollecteddata.Question：WhydidSnowmarkthedeathsonamap?●Limitationoftechnology;●Thefactthat500deathsoccurredintendaysintwoparticularstreets.Question：WhatothersupportingevidencedidSnowget?EvidenceC.ManydeathsoccurrednearthewaterpumpinBroadstreet.Somepeoplehadnotdrunkthewaterfromthepump,andlived.AwomanandherdaughterdiedinanotherpartofLondonafterdrinkingwaterfromthepump.

Snowanalyzedtheresultsand

findsupportingevidence.ConclusionandSolutionThepumpwatercarriedcholeragerms.Thehandleofthepumpwaterwasremoved.

DetailedReading(para.5)WhatcontributionsdidJohnSnowmaketoscience？

DetailedReading(para.5)WhatcontributionsdidJohnSnowmaketoscience？1.findaproblem2.askaquestion3.thinkofamethod4.collectdata5.analysetheresults6.findsupportingevidence7.drawaconclusionJohnSnowdefeatedcholerainas

way.sevenstagesofscientificresearchcientificSummaryHowcholeraspread?Ischoleraspreadbygermsinwater?Snowusedamap.Snowmarkedtheexactplaces...Snowanalyzedthedeaths.Snowfoundotherproof.Snowshowedhisresults.Furtherthinking

responsibleknowledgeablebrave/cour