Unit 1 Science and Scientists Reading and Thinking 课件-高二上学期英语人教版选择性必修第二册..pptx

Unit 1 Science and Scientists Reading and Thinking 课件-高二上学期英语人教版选择性必修第二册..pptx

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,Unit1GreatScientists（Reading）,授课人：

1,Doyouknowthescientists?

Archimedes,CharlesDarwin,TuYouyou,GregorMendel,LeonardodaVinci,MarieCurie,ThomasEdison,ZhangHeng,ZhongNanshan,scientist,2,Theorderofascientificresearch,1.Drawaconclusion2.Thinkofamethod3.Collectdata4.Makeaquestion5.Findaproblem6.Analysetheresults7.Findsupportingevidence,Doyouknowhowtoproveanewideainscientificresearch?

Discussinsmallgroupsthestagesinsettingoutanewscientificidea.Whatorderwouldyouputthemin?

scientist,3,Bytheendoftheclass,studentswillbeable.1.toknowaboutJohnSnowandcholera.2.tomastersomereadingskills,suchasskimmingandscanning.3.tosummarizethemainideaandretellthestagesforJohnSnowsresearch.4.tolearnfromthegreatscientistsanddevelopthenoblespirits.,TeachingObjectives,4,scientist,Thetext,Whatwillbetalkedaboutfromthetitle?

JohnSnowDefeats“KingCholera”,Who?

How?

What?

5,scientist,Para1:

Cholerawasadeadlydiseaseandpeoplehadnoideaaboutitscauseoritscure.,Findaproblem,JohnSnowDefeats“KingCholera”,Cholerausedtobeoneofthemostfeareddiseasesintheworld,untilaBritishdoctor,JohnSnow,showedhowitcouldbeovercome.Thisillnesscausesseverediarrhoea,dehydration,andevendeath.Intheearly19thcentury,whenanoutbreakofcholerahitEurope,millionsofpeoplediedfromthedisease.Asayoungdoctor,JohnSnowbecamefrustratedbecausenooneknewhowtopreventortreatcholera.Intime,herosetobecomeafamousDoctor,andevenattendedtoQueenVictoriawhenshegavebirth.However,heneverlosthisdesiretodestroycholeraonceandforall.,6,scientist,Para2:

Askaquestion,JohnSnowDefeats“KingCholera”,Ingeneral,doctorsinthosedayshadtwocontradictorytheoriestoexplainhowcholeraspread.Onetheorywasthatbadaircausedthedisease.Theotherwasthatcholerawascausedbyaninfectionfromgermsinfoodorwater.Snowsubscribedtothesecondtheory.Itwascorrect,buthestillneededproof.Consequently,whenanoutbreakofcholerahitLondonin1854,Snowbegantoinvestigate.Hediscoveredthatintwoparticularstreetsthecholeraoutbreakwassoseverethatmorethan500peoplediedintendays.Hewasdeterminedtofindoutwhy.,Topic:

doctorsinthosedayshadtwocontradictorytheoriestoexplainhowcholeraspread.,7,scientist,Para2:

Thetwotheories,Cholerawascausedbyan_from_in_.,Howdidcholerakillpeople?

Askaquestion,JohnSnowDefeats“KingCholera”,_causedthedisease.,Badair,infection,germs,foodorwater,8,scientist,Findouttheinformationabout1854;2;500;10.,1854:

AnothercholeraoutbreakhitLondon.2;500;10:

In2particularstreets,morethan500peoplediedin10days.,WhatdidJohnSnowdo?

Hewasdeterminedto_,JohnSnowDefeats“KingCholera”,findoutwhy.,9,scientist,Para3:

JohnSnowmarkedinformationonamaptofindoutwherepeoplediedordidnotdie.,Thinkofamethod&Collectdata,JohnSnowDefeats“KingCholera”,10,BroadStreet,37,40,38,16,20,9,8,21,Manydeathshappenedhere.,Nodeathhappenedhere.,Publichouse,Itseemedthatthewaterfromthepumpwastoblame.,Anaysetheresults,11,scientist,JohnSnowDefeats“KingCholera”,Readthepara3andanswer.,Findsupportingevidence,Drawaconclusion,Pumpwatercarriedthevirus.,Twodeaths,InanotherpartofLondon,Awomanandherdaughter,Diedofcholerabecauseofdrinkingthewaterdeliveredfromthepump,Removethehandleofthepump,Thediseaseslowingdown,12,scientist,JohnSnowDefeats“KingCholera”,1.WhatcausedtheoutbreakofcholerainLondonin1854?

ThewaterwhichcamefromtheRiverThamesandhadbeeninfectedbywaste.,Para.4,ThetruthwasthatthewaterfromtheBroadStreetpumphadbeeninfectedbywaste.SomecompaniessoldwaterfromtheRiverThamesthatwaspollutedbyrawwaste.,13,2.Wascholeradestroyedcompletely？

ThroughSnowstirelessefforts,watercompanies.However,choleraisstillaproblem.Eachyear,millionsofpeoplearoundtheworldgetcholeraandmanydiefromit.,Para.5,No.,scientist,JohnSnowDefeats“KingCholera”,14,scientist,Therightorderofascientificresearch,Findaproblem,Makeaquestion,Thinkofamethod,Collectresults,Analysetheresults,Findsupportingevidence,Drawaconclusion,JohnSnowDefeats“KingCholera”,15,scientist,Group-working,Readthewholepassageagainandtalkaboutthequestioningroups.,Tosetoutanewscientificideathroughascientificresearch,whatqualitiesdoyouthinkarethethreemostimportantonesthattheresearchershouldbeequippedwith?

Andgiveyourreasonsinbrief.,hard-workinglazypatientedgy（急躁的）sympatheticwisedevotedselfishhonestreliablecalmstubborngenerousresponsiblemeticulous（缜密的）handsomecarefuldetermined,16,Inordernottogetinfectedwithdisease,whatshouldwepayattentiontoinourdailylife?

Thoughtexpressing,Wearmask,Avoidgathering,Washhands,Dosports,Assignment,Accordingtosevenstepsofscientificresearch,workingrouptomakeapresentationabouthowdidourcountryfightagainsttheCOVID-19.,Thankyou!

21,