【课件】Unit+1Reading+and+thinking+公开课课件-人教版(2019)人教版(2019)选择性必修第二册.pptx

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1、John John SnowSnow“King Cholera”“King Cholera”How to PlayHelp John Snow defeat King CholeraFinish the task to collect the itemsvomitingdiarrheadehydrationKing CholeraKing CholeraLondon?Good place!Lets play in London!John SnowJohn Snow(Frustrated)So many deaths No one knew how to prevent or treat cho

2、leraNo I should never give up.I must destroy cholera,once and for all!once and for all!But how can I start?Maybe I should make clear the stages of the research firstTask 1:PredictionDiscuss the following stages of scientific research in pairs:What order would you put them in?Task 1:PredictionPlease

3、help me put them in correct order.StagesofScientificResearchfind a problemdraw a conclusioncollect dataask a questionfind the supporting evidenceanalyze the resultsthink of a methodmission completed!You got an uncompleted guidebook!John SnowJohn SnowNow Im more clear about how to defeat cholera.But

4、as a Chinese saying goes,“know the enemy and know yourself and you can fight a hundred battles with no danger of defeat.(知己知彼,百战不殆)”Please help me know more about myself and my enemy,King Cholera.Enter Task 2Task 2:ScanningRead Para.1 and fill in the blanks.John Snow John Snow King CholeraKing Chole

5、raIdentity:Symptoms:Consequence:Occupation:Nationality:Desire:one of _ in the world _ of people died from it when it hit Europe in the early 19th century severe diarrhea,dehydration,and even _ the most feared diseasesdeathBritainMillions A famous _(who even attended to _ when she gave birth)doctorQu

6、eenVictoriaTo destroy cholera once and for all.John SnowJohn SnowOne of the most feared disease What causes it?Maybe I should get some inspiration from others opinions.Enter Task 3Task 3:Read&ChooseRead Para.2 and choose the correct theory.Task 3:Read&ChooseIngeneral,doctorsinthosedayshadtwocontradi

7、ctorytheoriestoexplainhowcholeraspread.Onetheorywasthatbadaircausedthedisease.Theotherwasthatcholerawascausedbyaninfectionfromgermsinfoodorwater.Snowsubscribedtothesecondtheory.Itwascorrect,butheistillneededproof.Consequently,whenanoutbreakofcholerahitLondonin1854,Snowbegantoinvestigate.Hediscovered

8、thatintwoparticularstreetsthecholeraoutbreakwassoseverethatmorethan500peoplediedintendays.Hewasdeterminedtofindoutwhy.ThefirsttheoryThesecondtheoryWhich theory should I choose?mission completed!You got an unmarked map!John SnowJohn SnowA map?A map Yes!I can draw a map!Let me seeEnter Task 4(Snow beg

9、an by marking on a map the exact places where all those who died had lived.)It seems that I got some clues Task 4:Read the mapTask 4:Read the mapObserve the map and analyze it with questions.Task 4:Read the mapPlease help me analyze the map with questions.1.What does“”mean?How about PH?2.Which house

10、 numbers had more than four deaths in Broad Street?3.Which house numbers had no deaths in Broad Street?4.Why some households(2o,21,8 and 9)had no deaths?6.Whats your deduction/assumption?Thewaterpumpwastoblame.5.Whats the similarity among the houses in Broad Street that had multiple death?mission co

11、mpleted!You got a marked map!Please help me find more evidence.What is more,in another part of London,a woman and her daughter had died of choleraJohn SnowJohn SnowThe water pump is to blame!Now I am able to announce that the pump water carried cholera germs.Enter Task 5Here it is.Let my try to comb

12、ine and complete the guidebookTask 5:Careful reading Work in groups.Read para 2&3,find the sentences corresponding to the 7 steps to complete the guidebook.Task 5:Careful reading Task 5:Careful readingPlease help me complete the guidebook.OrderStage1Fina a problem2Ask a question3Think of a method4Co

13、llect data5Analyze the results6Finding supporting evidence7Draw a conclusionKey words or Key words or sentencessentencesTwo _ theoriesFind out _Marking on a map_Multiple deaths near the _had the water delivered to her houseThe pump water carried_.cholera germscontradictorywhy16,37,39,40;20,21,8,9;wa

14、ter pumpAn infected womanNo deathsMultiple deathsmission completed!You got a completed guidebook!Then what is the truth?Accordingly,John Snow had the handlehandle of the pump removed so that it could not be used.Through this interventionintervention,the disease was stopped in its tracks.Enter Task 6

15、Task 6:Careful reading Read para 4,and find the truth of the infection.Task 6:Careful reading Task 6:Careful readingPlease help me finish the announcement.The truth was that _ Moreover,there is a link between _ and _.Some companies sold water_.The people who drank this water were _ the water from th

16、e Broad Street pump had been infected by waste.other cases of cholera the different water companies in London.from the River Thames that was polluted by raw waste much more likely to get cholera than those who drank pure or boiled water.Through Snows tireless efforts,water companies began to sell cl

17、ean water,and the threat of cholera around the world saw a substantial decrease.substantial decrease.However,cholera is still a problem.King CholeraKing CholeraEach year,millions of people around the world get cholera and may die from me!John SnowJohn SnowDont worry!We now know how to prevent choler

18、a!For this reason,Snow is considered_.the father of modern epidemiologythe father of modern epidemiologyTask 7:Discussion Discuss in groups about this question:What made John Snow defeat King Cholera?Task 7:Discussion Task 7:DiscussionWhat made John Snow defeat King Cholera?(e.g.qualities,mindset,sp

19、irit)It was that made him defeat cholera,since(supporting details in the passage)I believe that.helped him defeat cholera becausemission completed!You got a science medal!conGRAtUlAtions!You got a scroll!To raise new questions,new possibilities,to regard old problems from a new angle,requires creati

20、ve imagination and marks the real advance in science.Albert Einstein&Leopold Infeld HomeworkpWhat are the characteristics of a critical thinker?pCan you think of any famous scientists or individuals around us who exhibit critical thinking?(Write a short essay)Logicalreasoning,open-mindedness,curiosity,questioningmind,skepticism,effectivecommunication,problem-solvingskills,analyticalthinking,systematicapproach.brave,persistent,resilient,self-assured,humble

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