Module 5Unit 1 Great Scientists教学设计07.docx
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Module 5Unit 1 Great Scientists教学设计07.docx
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Module5Unit1GreatScientists教学设计07
Module5Unit1GreatScientists
Reading:
JohnSnowDefeats“KingCholera”
Classtype:
reading
ClassDuration:
40minutes
1.Teachingcontentanalysis
ThereadingmaterialisfromPEPNSEFCModule5Unit1----GreatScientists.ThetopicofthisreadingpassageistheprocessofdefeatingcholerabyJohnSnow.Thepassagefollowsthestepsofscientificresearch:
findaproblem→makeaquestion→thinkofamethod→collectdata→analyzedata→findsupportingevidence→drawaconclusion.Thefirstparagraphfindsaproblem:
Whatisthecauseofcholera?
Thesecondparagraphraisesaquestion:
Doespeopleabsorbcholeraintotheirbodieswiththeirmeals?
Then,inthethirdparagraph,itdescribesthemethodofcollectingdataonthosewhofellillordiedandwheretheylived,andtheprocessofcollectingdata.ThefourthparagraphtalksaboutthatJohnSnowputinformationonamaptofindoutwherepeoplediedordidnotdie.Inthepara.5,hefoundoutwheretheygotwaterandanalyzedthewatertoseeifitisthecauseofthedeaths.Inthenextparagraph,JohnSnowfoundotherevidencetosupporttheanalysis.Finally,hedrewaconclusionthatitwascertainthatpollutedwatercarriedthevirus.Fromthispassage,studentscangetfamiliarwithhowtoorganizescientificresearch.Moreover,inrecentyears,thiskindofinfectiousdiseases,suchasH7N9andZIKA,happensquiteoften,whichhasraisedalotofconcerns.Thepassagealsohaspracticalsignificancetostudents.
2.Learneranalysis
Ashighschoolstudents,thestudentshavelittlepreviousknowledgeaboutcholerabecauseithappensmuchlessthanbeforeandwasfarfromtheirdailylife.Inordertomakethelessonmorefluent,thebackgroundinformationshouldbepresented.Thestudentsinmyclassarenotactivesothatinterestingactivitiesshouldbedesignedtomotivatethem.
3.Teachingkeyanddifficultpoints
Keypoints:
①somekeywordsandphrases:
expert,attend,suggest,absorb,suspect,defeat,expose,link
neither…nor…,betoblame,bedeterminedtodo,lookinto,etc.
②graspthestructureofthetextandunderstandthecontent.
③trainreadingskills:
predicting,skimming,scanning.
Difficultpoints:
①makeclearaboutthecorrectstagesaboutscientificresearch.
②developstudents’independent-studyabilitywiththehelpofreadingskills.
4.Teachingobjectives
a.Languageknowledgeandskills
Bytheendofthislesson,studentswillbeableto
①mastersomekeywordsandphrases:
expert,attend,suggest,absorb,suspect,defeat,expose,link,neither…nor…,betoblame,bedeterminedtodo,lookinto,etc.
②predictthemainideaofthereadingpassageaccordingtothetitle.
③graspthestructureofthetextbyskimming.
④findoutsomespecificinformationaboutthepassagebyscanning.
b.Learningprocessandmethods
Bytheendofthislesson,studentswillbeableto
⑤learnautonomouslyandcooperativelyindifferentactivitiesbefore,duringandafterreading.
⑥communicateactivelywiththeirpartnersinmakingclearaboutthecorrectstagesaboutscientificresearch.
c.Emotionsandvalues
Bytheendofthislesson,studentswillbeableto
⑦makeclearaboutthecorrectstagesaboutscientificresearch.
⑧understandandbegratefultothecontributionsmadebygreatscientists.
5.Teachingmethodsandaids
Teachingmethods:
Three-stagemodule;Task-basedLanguageTeaching;
ActiveExplorationMethod
Teachingaid:
PPT
6.Teachingprocess
Stage1Pre-reading(6minutes)
Activity1(1minute)
Demonstrate:
ØPicturesofZIKA.What’swrongwiththem?
ØWhatwillhappentothepersonifdangerousgermsorvirusesattackedhim?
(Showthenounphrase:
infectiousdiseases)
Activity2(1minute)
Brainstorming:
ØDoyouknowanyinfectiousdiseasesinthe21stcentury?
(Showsomepicturesofthesediseases:
SARS;H7N9;EBOLA;ZIKA.)
Activity3(2minutes)
Scanning:
ØAninfectiousdiseaseinthe19thcentury?
(Introduce“Cholera”and“KingCholera”.)
ØWhoisJohnSnow?
[Justifications:
theseactivitiesaredesignedtoraisestudents’interestwhentheylistsomeinfectiousdiseasesandleadinthetopicofCholeraandJohnSnow.]
T:
Goodmorning,class.Duringthebreak-time,wehavewatchedapieceofnewsaboutZIKAvirus.(黑板:
virus;itisbadforourhealth)
Doyounoticethesebabiesinthenews?
What’swrongwiththem?
(呈现两张baby的图片,请学生回答)
Lookattheirheads.Theylookquiteunusual,right?
BecausetheyareinfectedbyZIKAvirus.
(黑板:
beinfectedby;)
Thisvirushascausedthe29deaths.Ifsuchvirusesordangerousgermsattackandspreadamongpeople,orwecansaythousandsofpeopleareexposedtothem,wecallthiskindofdiseaseinfectiousdiseases.
(黑板:
beexposedto)
Doyouknowanyotherinfectiousdiseaseinthe21stcentury?
Youcandiscusswithyourpartner.
(学生讨论回答)
Anyvolunteers?
Putyourhandsup.
(学生举出例子后,追问Whendiditbreakout?
Whichcountrywashitseriously?
)
(ppt顺序:
SARSH7N9EBOLAZIKA)
Theseinfectiousdiseasesbrokeoutinthe21stcentury,right?
Anddoyouknowinthe19thcenturyaninfectiousdiseasecausedsomanythousandsofdeaths?
(学生如果回答不出,pleasereadthetitleofpassageonpage2)
Yes,itwascholera.Choleraisoneofinfectiousdiseases.Itcanbemildorevenwithoutsymptoms(征兆),butaseverecasecanleadtodeathwithoutimmediatetreatment(治疗).
(黑板:
severe;itmeansextremelybad.)
Butwhydidthetitlecallit“KingCholera”?
Canyoufindthereasoninthepara.1?
(1.Thiswasthedeadlydiseaseofitsday.)
(2.Neitheritscausenoritscurewasunderstood.)
(3.Somanythousandsofterrifiedpeoplediedeverytimetherewasanoutbreak.)
AlthoughitisKingCholera,itwasstilldefeatedbyagreatperson.Whoishe?
(JohnSnow)
DoyouknowanythingaboutJohnSnow?
(学生:
afamousdoctorinLondon;anexpert;QueenVictoria’spersonalphysician)
(黑板:
expert;itcananoun:
apersonofspecialskilloranadjective,skillful.)
HereissomeotherinformationaboutJohnSnow.Wecanseethathehadashortlife,buthemadegreatachievement.JohnSnowisoneofthefathersofepidemiology(流行病学),becauseofhisworkinfindingthecauseofacholeraoutbreakinEngland,in1854.
Nowlet’slearnhowJohnSnowdefeats“KingCholera”.
Activity4(1minute)
Predictthemainideaofthetextaccordingtothetitle.
ØWhat’sthemainideaofthepassage?
A.JohnSnowwasawell-knowndoctorinLondon.
B.ThecauseofCholerawaspollutedwater.
C.Thesourceofalldrinkingwatershouldbeexamined.
D.HowdidJohnSnowcollect,analyzedataandfindthecauseofthediseaseandsolvedit.
(Answer:
D)
Activity5(1minute)
Putintocorrectorder.
Findaproblem→makeaquestion→thinkofamethod→collectdata→analyzedata→findsupportingevidence→drawaconclusion
[Justifications:
theseactivitiesaredesignedtotrainstudents’predictingskillandtolaythefoundationforthereadinghabit.]
T:
Firstofall,let’sreadthetitleagain.
Fromthetitle,canyouchoosethemainideaofthispassage?
(学生阅读四个选项做出选择。
)
Whichoneisthemainideaofthispassage?
(邀请学生回答)
Great!
ThemainideaofthispassageisabouthowJohnSnowcollected,analyzeddataandfoundcauseofthediseaseandsolvedit.
JohnSnowwantedtosavethosepeoplewhoareexposedtocholera.Sohebegantodoascientificresearch.Weallknowthatwhenwedoaresearch,therearesomestagestofollow.Generallyspeaking,therearesevenstagesofthescientificresearch.Canyouputthemintoarightorder?
(学生回答;若没有正确答案,则跳过,之后处理。
如果学生答出,在黑板上写下7步骤)
(黑板:
problem;question;method;collecting;analysis;evidence;conclusion)
Stage2While-reading(27minutes)
Activity6(minutes)
Para.1
Q:
ØWhatisthefirstthingtodoifJohnSnowwantstocontrolcholera?
A:
Thefirstthingtodoistofindthecauseofcholera.
(Stage1)
Activity7(minutes)
ReadPara.2,andfindtwotheories.Fillintheblanks.
Twotheories:
1.Choleramultipliedintheair.Acloudofdangerousgasuntilitfounditsvictims.
2.Peopleabsorbedthisdiseaseintotheirbodieswiththeirmeals.
(Stage2)
Activity8(minutes)
Para.3
Q:
ØHowtoprove(证明)the2ndtheoryiscorrect?
A:
Bymakinganenquiry.
ØWheredidhecollectdataorgatherinformation?
Inthepoorneighborhood.
Activity9(minutes)
Para.4&5:
Completethechart.
Q:
ØDidJohnSnowforeseetheresults?
ØWhatdidhediscover?
ØWhywasthewaterinthepumptoblame?
Canyouuseyourownwords?
Activity10(minutes)
Para.6
CanyouhelpJohnSnowtocompletethisdeathrecord?
Q:
ØButdoyounoticethelastsentenceinpara.6?
Whatdoesittalkabout?
Activity11(minutes)
Para.7
Q:
ØWhatdidJohnSnowsuggest?
[Justifications:
theseactivitiesaredesignedtotraintheskillofclose-reading.StudentscanunderstandthewholeprocessofJohnSnow’sscientificresearchstepbystep.]
T:
Sointhisresearch,whatisthefirstthingtodoifJohnSnowwantstocontrolcholera?
(学生若回答不出,提示:
readthelastsentenceofthefirstparagraph.)
Thefirstthingtodoistofindthecauseofcholera.Here,wehavefoundtheproblemofthisresearch:
Whatisthecauseofcholera?
ThisistheStage1:
Findaproblem.
(黑板:
在problem旁写Para.1)
Johnbegantoguessthereason.Thentwotheoriesattractedhim.Whatarethey?
(给学生阅读第二段的时间,邀请学生完成填空)
(Choleramultipliedintheair.Acloudofdangerousgasuntilitfounditsvictims.)
“Multiplied”heremeans“greatlyincreased”.“Victims”means“someonewasattackedbycholera”.
(Peopleabsorbedthisdiseaseintotheirbodieswiththemeals.)
“Absorb...into…”means“take…in…”
WhichtheorydoesJohnSnowwanttoprove?
(Ss:
secondone)
Howdoyouknowthat?
(JohnSnowsuspectedthatthesecondtheorywascorrect.)
Great!
SohereJohnSnowmadeaqu
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- Module Unit Great Scientists教学设计07 Scientists 教学 设计 07
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