高中Unit1 Great Scientists教案.docx

高中Unit1 Great Scientists教案.docx

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高中Unit1GreatScientists教案

Unit1GreatScientists

Period1Warmingup&Pre-reading

Teachingaim:

Tolearnsomethingaboutsomefamousscientists

Teachingprocedures:

Step1Lead-in

1.Canyounamesomefamousscientists?

2.Inyouropinion,whatqualitiesshouldascientisthave?

（Commoncharacteristics:

bright/brightness;creative;cautious;persuasive;strict;positive;co-operative;enthusiastic;etc.）

3.Whatkindofscientistsdoyouknow?

（geologist;geographer;mathematician;physicist;chemist;agriculturist;astronomer;botanist;biologist;inventor…）

Step2Warmingup

1.Page1,SB.AskSstofinishthequizandfindoutwhoknowsmost.

2.Showsomepicturesofthesegreatscientistsandhaveabriefintroductiontothem.

Step3Pre-reading（Discussion）

1.Whatdoyouknowaboutinfectiousdiseases?

Whatkindofinfectiousdiseasesdoyouknow?

（Infectiousdiseasescanbespreadeasily,theyhaveunknowncauseandmaydogreatharmtopeople.SARS;Birdflu;AIDS;etc.）

2.Whatdoyouknowaboutcholera?

（Tcanintroducethisdiseasebyusingslides）

3.Doyouknowhowtoproveanewideainscientificresearch?

Discussinsmallgroupsthestagesinexamininganewscientificidea.Whatorderwouldyouputthemin?

（Findaproblem→Makeupaquestion→Thinkofamethod→Collectresults→Analysetheresults→Repeatifnecessary→Drawaconclusion）

Step4Languagepoints

1.discovervt.tobethefirsttofind,learnof,orobserve发现，发觉

discover通常指被探索或被揭示物早就客观存在着；invent指的是发明原先不存在的东西。

如：

ColumbusdiscoveredAmericain1492.

AlexanderGrahamBillinventedthetelephonein1876.

2.asconj.

usedincomparisons用于比较：

像……一样

He’sasoldasIam.

inthesamemannerorwaythat照……的方式

DoasIsay.

while;when

Hesawherasshewasgettingoffthebus.

because

Asshehasnocar,shecan’tgetthereeasily.

though

TiredasIwas,Itriedtohelpthem.

asitis:

inreality;infact事实上

Ihopethingswouldgetbetter,butasitistheyaregettingworse.

（7）asitwere:

sotospeak;inacertainway可以说;跟……一样

Heismybestfriend,mybrother,asitwere.

3.characteristic

（1）n.aspecialandeasilyrecognizedqualityofsomeoneorsomething特色,特性

Acharacteristicofthisanimalisitsabilitytoliveforalongtimewithoutwater.

（2）adj.typical;representingaperson’sorthing’susualcharacter独特的

Iheardmyfriend’scharacteristicvoice.

4.thewayofdoingsth.意为“做……的方法”，还可以表达为thewaytodo。

如：

Sheshowedusthewayofcleaningit.=Sheshowedusthewaytocleanit.

Idon’tliketheway（that/inwhich）youspeaktoyourfather.

5.putsth.forward:

（1）tooffer（anidea,suggestionetc.）forconsideration提出

Heputforwardanewplan.

（2）拨快Puttheclocksforward.将时钟拨快

（3）推荐某人或自己任职位;提名

MayIputyournameforwardasapossiblechairmanofthecommittee?

我能否提名你当委员会主席吗?

6.infectiousadj.

（1）capableofcausinginfection传染的,能够导致传染病的

Choleraisaninfectiousdisease.

（2）causedbyorcapableofbeingtransmittedbyinfection传染性的,由传染引发的

Coldsareinfectious,andsoaresomeeyediseases.

（3）easilyorreadilycommunicated有感染力的，容易或快速传播的

aninfectiouslaugh有感染力的微笑

（4）infectvt.传染,感染

infectantn.污染物,传染物adj.传染的,污染的

infectedadj.被感染的

infectionn.传染,传染病,影响,感染

7.ifnecessary是一种省略句式。

在while，when，until，unless，if，once等引导的状语从句中，如从句的主语和主句的主语相同，且从句的谓语部分含动词be时，可以省略从句的主语和动词be。

When（Iwas）aboy,Ilookedatsuchthingsquitedifferently.

Don’tspeakuntil（youare）spokento.

Step5Assignments

1.Revisethewordsin“Warmingup”.

2.Learnthewordsfrom“attend”to“strict”.

3.Prepare“Reading”.

Period2&3Readingandcomprehending

TeachingAims:

①GetSstoimprovetheirreadingabilities.

②LetSsknowthetopic“Greatscientists”

③Knowsomeimportantphrasesoccurringinthisreading

TeachingProcedures:

Step1Leadin

CheckSs’knowledgeaboutsomescientistsandtheirdiscoveries.

①Whodiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?

Archimedes

②Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?

CharlesDarwin

③Whoinventedthefirststeamengine?

ThomasNewcomen

④Whousedpeastoshowhowphysicalcharacteristicsarepassedformparentstotheirchildren?

GregorMendel

⑤Whodiscoveredradium?

MariesCurie

⑥Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?

ThomasEdison

⑦Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?

LeonardodaVinci

⑧Whoinventedalamptokeepminersafeunderground?

SirHumphreyDavy

⑨Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?

ZhangHeng

⑩Whoputforwardatheoryaboutblackholes?

StephenHawking

Afterallthequestions,thenleadinthepassagewithapicture.Askssiftheyknowthemapandwhatitisusedfor.Givethemtheanswerlater“ItisamaptofindoutthecauseofCholera.”

Step2SkimandScan

Morequestionsaregiventogetthegeneralideasofthispassageandsomeobviousfacts.

Whodefeats“KingCholera“?

JohnSnow

Whathappenedin1854?

CholeraoutbreakhitLondon.

Howmanypeoplediedin10days?

500

WhyistherenodeathatNo.20and21BroadStreetaswellasatNo.8and9CambridgeStreet?

ThesefamilieshadnotdrunkthewaterfromtheBroadStreetpump.

Step3Readingfordetails

1Whycouldn’tthecholerabeundercontrolatfirst?

Neitheritscause,notitscurewasunderstood.

2WhichtheorydidJohnSnowbelievein?

Peopleabsorbedcholeraintotheirbodieswiththeirmeals.

3JohnSnowfinallyprovedthetheoryhebelievedby________.

gatheringinformationwiththehelpofamap

lookingintothesourceofthewaterforBroadStreetandCambridgeStreet

Separatingthosewhosufferedcholerafromthosewhodidn’t

BothAandB（rightchoice）

4Topreventthecholerafromspreadingagain,whatdidJohnSnowdo?

Suggestedthatthesourceofallwatersuppliesbeexamine.Suggestedthatnewmethodsofdealingwithpollutedwaterbefound.Instructedthewatercompaniesnottoexposepeopletothepollutedwateranymore.

Step4Mindmapofthepassage

Paragraph1:

IntroductionofJohnSnowandCholera

Paragraph2:

Twotheory

Paragraph3-5:

Studyofthebreakoutin1854

Paragraph3:

Thinkofamethod:

Testtwotheory

Collecttheresult:

Markthedeath

Analyzetheresult:

Reasonfordeathandnodeath

Paragraph4:

Analyzetheresult:

Findtheresourceofthewater

Paragraph5:

Repeatifnecessary:

Findmoreevidence.

Drawaconclusion:

Cholerawasspreadbygerm

Pollutedwatercarriedcholera

Paragraph6:

PreventionofCholera

Step5.Carefulreading

1.AsktheSstoreadthetextcarefullyandthenfinishthechartinEx.1onpage3.

ScientificReportbyJohnSnow

Theproblem

Nobodyknewthecauseoftheseriousdisease

ofcholera.

Thecause

Idea1:

strangecloudintheairthatattackedvictims.

Idea2:

peopleabsorbedthediseasewiththeirmeals.

Themethod

 Collectdatafromthenextcholeraattacktotesttheories.Trytoprovewhichmethodwascorrect.

Theresults

 Hefoundthecauseofcholerawasthepollutedwater.

Idea1or2?

Why?

 Idea2.Becausethedatashowedaconnectionwiththewater.

Theconclusion

JohnSnowwasabletodefeatcholeraonceitscausewasknown.

Step6Retellthepassage

Providesswithasummarywithsomeblanks.Letthemretellthepassageaswellaspayattentiontosomeimportantwords.

Readthepassageagainandfillintheblanks:

JohnSnowwasawell-known____inLondoninthe___century.Hewantedtofindthe______ofcholerainorderto______it.In1854whenacholera____out,hebegantogatherinformation.He_____onamapwhereallthedeadpeoplehadlivedandhefoundthatmanypeoplewhohaddrunkthedirtywaterfromthe______died.Sohedecidedthatthepollutedwatercarriedcholera.Hesuggestedthatthe_____ofallwatersupplybe_______andnewmethodsof________withpollutedwaterbefound.Finally,“KingCholera”wasdefeated.

Step7Languagepoints

1.attendv.

tobepresentat;goto出席，参加

Hedecidedtoattendthemeetinghimself.

togiveone’sattention;listen注意，倾听（常跟to连用）

Areyouattendingtowhatisbeingsaid?

tolookafter;serve照顾，护理

Ihaveagooddoctorattendingme.

（4）togowith伴随，陪伴

Dangerattendedeverythinghedid.他做的每一件事都带有危险。

attendancen.照顾：

出席人数

Thereisadoctorinattendance.有一位医生照顾。

Therewasalargeattendanceattheconcert.音乐会听众很多。

2easev.

（1）tofreefrompain,worry减轻；缓和

Thedoctorgavehimsomepainkillerstoeasethepain.

Therelationshipbetweenthetwocountrieshaseased.

（2）torelax放松

It’stimeforyourfathertoeaseuponhisworkabit.He’sgettingold.

n.theconditionofbeingcomfortable舒适;

freedomfromdifficulty,orhardship不费力

alifeofease舒适的生活

withease毫不费力地，轻而易举地

tojumpoverwithease很容易跳过去

Hepassedtheexaminationwithease.

3.exposev.

tomakevisible暴露

Newfashionsareexposingmoreandmoreofthebody.

与to连用

Heexposeshisskintothesun.

torevealtheguiltorwrongdoingof揭露

Heexposedtheirplot.他揭露了他们的阴谋。

Thecrimeofthecorruptofficialsmustbeexposedwithoutanyreserve.

对贪官污吏的罪行一定要毫无保留地予以揭发。

4.everytime：

连词，引导时间状语从句，后省略when；类似的还有immediately，themoment，directly,instantly.

EverytimeImeethim,Ialwaysthinkofthethingshappeningbetweenus.

IwillgivethereporttohimimmediatelyIseehim.

IcamedirectlyIgotyourmessage.

5.outbreakn.

（1）asuddenincrease突然发生

Policequelledtheoutbreakofviolence.

（2）asuddeneruption;anoutburst突然爆发

Therehasbeenanoutbreakofmeaslesontown.

6.controlv.&n.

（1）v.tohavepowerover,rule,direct统治；控制

Thegovernmenttriesitsbesttocontrolprices.政府努力控制物价。

Hecannotcontrolhisanger.他无法抑制自己的愤怒情绪。

（2）n.控制；统治；掌握

losecontrolof