UNIT1SCIENCEANDSCIENTISTS

ReadingandThinking:

Understandthequestioningmindrunnucleic

acidtests（核酸檢測）getvaccinated（接種疫苗）Areyoufamiliarwiththesesituations?Wearetakingmeasurestofightagainstcoronavirus!④Besidescoronavirus,whatotherkindsofepidemics（流行病）haveyouheardof?bird-flu（禽流感）malaria（瘧疾）plague（鼠疫）Ebola(埃博拉)①②③WhoHelpedDefeatMalaria?

DrawaconclusionCollectdataAskaquestion

Findaproblem

Analysetheresults

Findsupportingevidence

ThinkofamethodTuYouyoufollowedthescientificstagestofindoutthecureformalaria.Canyouputthemintherightorder?MALARIAWhoDefeatedCholera?Didhe/shefollowedthesamestagesasTuYouyou?Activity1:Predicting:Whatwillbetalkedabout?JohnSnow

Defeats“KingCholera”Who?How?What?Activity2:ReadfortheStructureJohnSnowdesiredto________cholera.JohnSnowdecidedtoprove__________theory.Snowbeganhisstudyby___________________.

________________oftheinfectionofcholera.Para.1Para.2Para.3Para.4

Theresultsandthe_____________ofSnow’swork.Para.5What&Who

How

Truth

ResultsdestroythesecondmarkingonamapThetruthsignificanceActivity3:ReadforinformationPara1Who&What?JohnSnowCholeraa______________________doctorbecame_________never_________________________________onceandforallBritish,youngandfamous_____________QueenVictoriaattendedtofrustratedlosthisdesiretodestroycholeraoneof__________________deseasescausessevere______________________________________millionsofpeople__________thediseaseintheearly19thcenturythemostfeareddiarrhoea,dehydrationandevendeathdiedfromActivity3:ReadforinformationPara2-3How?Para2:1.Whatproblemdidthetwotheoriestrytosolve?2.WhatwerethetwotheoriesandwhichdidJohnSnowagreewith?3.Howdidheproveit?1.Whatproblemdidthetwotheoriestrytosolve?problem2.WhatwerethetwotheoriesandwhichdidJohnSnowagreewith?TwocontradictorytheoriesTheoryone:causedby________Theorytwo:causedby_______badairgermsSnowsubscribedto

thesecondtheory.?3.Howdidheproveit?questionPara3Whatmethoddidheuse?Howdidhefinallyfindoutwhy?markingonamapAnalyzethemapwithyourgroupmemberfirstandtrytoaskquestionsbetweengroupmembers.Whichhouseshadmorethan4deathsinBroadStreet?WhichhouseshadnodeathinBroadStreet?Whatresultdidheget?Anyotherevidence?Whatresultdidheget?Snowsuspectedthatthewaterpumpwastoblame.AwomanandherdaughterdiedinanotherpartofLondonafterdrinkingwaterfromthepump.JohnSnowwasabletoannouncethatthepumpwatercarriedcholeragerms.JohnSnowhadthehandleofthepumpremoved.Thediseasewasstopped.Activity4:ReadPara2-3againforscientificstagesFindaproblemAskaquestionThinkofamethodCollectdata

AnalysetheresultsFindsupportingevidenceDrawaconclusionFindasolutionActivity5:ReadforinformationWatercompaniessoldwaterfromtheRiverThamesthatwaspollutedbyrawwaste,causingpeoplewhodrankthiswatertogetcholera.Watercompaniesbegantosellcleanwater.Thethreatofcholeraaroundtheworlddecreased.Hehelpedpeopleknowhowtoprevent

cholera.Snowtransformedthewayscientistsstudydiseases.2.WhatcontributionsdidJohnSnowmake?TheFatherofModernEpidemiology1.WhatcausedtheoutbreakofcholerainLondonin1854?TruthPara4-5Wascholeradefeatedcompletely?Howtopreventthecholera?Topreventcholerafromspreading,we'dbetterdrinkpureorboiledwaterandeatcleanfood.Activity5:Readforthinking1.Hisprofessionalknowledge.2.Hisstrongdetermination.4.Hisscientificmind-set.(questioningmind/creativemind)WhywasitJohn

Snow,nototherdoctors,whodefeatedKingCholera?3.Scientificmethods:theuseofmapandstatisticsAssignmen