河北省高二英语必修5Unit1《Great scientists》全套教案.docx

河北省高二英语必修5Unit1《Great scientists》全套教案.docx

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河北省高二英语必修5Unit1《Greatscientists》全套教案

河北省高二英语必修5Unit1《Greatscientists》全套教案

教学目标

1.Targetlanguage目标语言

a.重点词汇和短语

attend,control,severe,pub,immediately,handle,instructor,pump,contribute,conclude,steamengine,virus,putforward,makeaconclusion,exposeto

b.重点句式

Topreventthisfromhappeningagain,JohnSnowsuggestedthat...P3

2.Abilitygoals能力目标

Enablethestudentstotalkaboutscienceandscientists.

3.Learningabilitygoals学能目标 

Enablethestudentstolearnaboutsomefamousscientistsandtheircontributionsandhowtoorganizeascientificresearch.

教学重难点

Talkaboutscienceandscientists.

教学工具

Acomputerandaprojector.

教学过程

StepⅠ Lead-in

Askthestudentstothinkofsomegreatinventionsandinventorsinhistory.

T:

Welcomebacktoschool,everyone.Iguessmostofyouhaveenjoyedyourholiday.MaybeIshouldsayeveryonehasenjoyedascientificlife.Why?

Becauseyouhaveenjoyedtheresultsofthescienceandscientists.Nowcanyoutellmethescientistswhoinventedthelights,thegramophoneandthecomputer?

S1:

Edisoninventedthelightsandthegramophone.

S2:

ThefirstcomputerwasinventedbyagroupofAmericanscientists.

StepⅡ Warmingup

First,asksomequestionsaboutgreatscientists.Second,askallthestudentstotrythequizandfindoutwhoknowsthemost.

T:

Youknowourlifeiscloselyrelatedtoscienceandscientists.Webenefitalotfromthem.Canyounameoutasmanyscientistsaspossible?

S1:

Newton.

S2:

Watt.

S3:

Franklin.

Sampleanswers:

1.Archimedes,AncientGreek（287-212BC）,amathematician.

2.CharlesDarwin,Britain（1808-1882）.ThenameofthebookisOriginofSpecies.

3.ThomasNewcomen,British（1663-1729）,aninventorofsteamengine.

4.GregorMendel,Czech,abotanistandgeneticist.

5.MarieCurie,PolishandFrench,achemistandphysicist.

6.ThomasEdison,American,aninventor.

7.LeonardodaVinci,Italian,anartist.

8.SirHumphryDavy,British,aninventorandchemist.

9.ZhangHeng,ancientChina,aninventor.

10.StepperHawking,British,aphysicist.

StepⅢ Pre-reading

Getthestudentstodiscussthequestionsonpage1withtheirpartners.Thenaskthestudentstoreporttheirwork.Encouragethestudentstoexpresstheirdifferentopinions.

T:

Now,class,pleaselookattheslide.Discussthesequestionswithyourpartners.ThenI’llasksomestudentstoreporttheirwork.

Showthefollowingonthescreen.

Whatdoyouknowaboutinfectiousdiseases?

Whatdoyouknowaboutcholera?

Doyouknowhowtoproveanewideainscientificresearch?

Whatorderwouldyouputthesevenin?

Justguess.

Sampleanswer1:

S1:

Letmetry.Infectiousdiseasescanbespreadeasily.Theyhaveanunknowncauseandmaydogreatharmtopeople.

S2:

Peoplecouldbeexposedtoinfectiousdiseases,somayanimals,suchasbirdflu.

S3:

AIDS,SARSareinfectiousdiseases.

S4:

Infectiousdiseasesaredifficulttocure.

Sampleanswer2:

S1:

CholeraiscausedbyabacteriumcalledVariancholera.

S2:

Itinfectspeople’sintestines,causingdiarrhea,vomitingandlegcramps.

S3:

Themostcommoncauseofcholeraispeopleeatfoodordrinkwaterthathasbeencontaminatedbythebacteria.

S4:

Choleracanbemildorevenwithoutsymptoms,butaseverecasecanleadtodeathwithoutimmediatetreatment.

Sampleanswer3:

S1:

Iknowsth.aboutit.Firstweshouldfindtheproblem.Then,thinkofasolution.

S2:

Weshouldcollectasmuchinformationaspossible.

S3:

Analyzingresultsisthemostimportantstage.

S4:

Beforewemakeaconclusion,itisnecessaryforustorepeatsomestagesorprocesses.

Sampleanswer4:

S1:

Ithink“Findaproblem”shouldbethefirststage.

S2:

“Makeupaquestion”shouldfollowthefirststage.

S3:

“Thinkofamethod”,“Collectresults”and“Analyzeresults”areafterthat.

S4:

Ofcourse,before“Makeaconclusion”,weshould“Repeatifnecessary”.

T:

Welldone!

Whenwewanttosolvesomeproblems,firstweshouldfindouttheproblem,dosomeresearchonit,proveyourfindings,andthenmakeaconclusion.Thisisascientificandobjectivewayofresearching.Nowlet’sseehowdoctorJohnSnowdidhisresearch.

StepⅣ Reading

Letthestudentsskimthewholepassageandtrytoworkoutthemeaningsofthenewwordsandstructuresusingcontext.

T:

TheeffectofcholerainthenineteenthcenturyLondonwasdevastating.Manypeoplediedwithoutknowingthereason.ItwasdoctorJohnSnowwhosavedthepeople.Pleaselookatthescreen.Let’sreadthewholepassageandfindanswerstothequestions.

Showthequestionsonthescreen.

1.Whatconditionsallowedcholeradevelop?

2.Whydoyouthinkpeoplebelievedthatcholeramultipliedintheairwithoutreason?

3.WhatevidencedidJohnSnowgathertoconvincepeoplethatidea2wasright?

Sampleanswers:

S1:

Thedirtywatermadethecholeradevelopquickly.

S2:

Becausepeoplecouldnotunderstanditscauseandcouldnotgetitcured.Sopeopleimaginedthatsomepoisonousgasintheaircausedthedeaths.

S3:

Hefoundthatmanyofthedeathswerenearthewaterpumpwhilesomeareasfarawayfromthewaterpumphadnodeaths.Sowhenpeoplewereaskednottousethewaterpump,thediseasebegantoslowdown.Inthisway,JohnSnowhadshownthatcholerawasspreadbygermsandnotinacloudofgas.

StepⅤ Textanalyzing

Askthestudentstoanalyzethetextingroups.

T:

Pleaselookatthechartonthescreen.ThechartshowsthateachparagraphofthetextexplainsJohnSnow’sstagesinhisresearch.Pleasereadthetextandfindoutthegeneralideaofeachparagraphandmatchthestagewitheachparagraph.Discussitingroups,andthenreportyouranswers.

Sampleanswers:

S1:

Mygroup’sopinionisthis:

stageone“Findaproblem”isexpressedinparagraphone.Thegeneralideaislikethis:

JohnSnowwantedtofindthecausesofcholera.

S2:

Ouranswerislikethis:

paragraphtwoexpressesthesecondstage“Makeupaquestion”.Thegeneralideaislikethis:

JohnSnowwantedtoprovewhichtheorywascorrect.

S3:

“Thinkofamethod”isthethirdstage.Anditiscontainedinparagraphthree.Thegeneralideaislikethis:

JohnSnowcollecteddataonthosewhowereillordiedandwheretheygottheirwater.

S4:

Thefourthstage“Collectresults”liesinparagraphfour.Itsgeneralideaislikethis:

JohnSnowplottedinformationonamaptofindoutwherepeoplediedordidnotdie.

S5:

OurgroupbelieveparagraphfivecontainsthefifthstageofJohnSnow’sresearch.Thegeneralideaislikethis:

JohnSnowanalysedthewatertoseeifthatwasthecauseoftheillness.Sothisstageisto“Analysetheresults”.

S6:

Thesixthstageis“Repeatifnecessary”.Itiscontainedinthesixthparagraph.Thegeneralideaislikethis:

JohnSnowtriedtofindotherevidencestoconfirmhisconclusion.

S7:

Thelastparagraphisabouttheseventhstage“Makeaconclusion”.Itsgeneralideaislikethis:

ThepolluteddirtysourceofdrinkingwaterwastoblameforthecauseoftheLondoncholera.

Asksomestudentstoputtheiranswersinthechart.

ThepolluteddirtysourceofdrinkingwaterwastoblameforthecauseoftheLondoncholera 

T:

Nowclass.Canyoutellmewhatstyleofthepassagebelongsto?

S1:

Ithinkitisareport.

T:

Herearethreepiecesofwriting.Theybelongtodifferentwritingstyles.Nowreadandfindoutwhatstyleeachpiecebelongsto.

Showthechartandthreepiecesofwritingonthescreen.

Report 

Description  

Creativewriting  

Formallanguagewithfewadjectives  

Vividuseofwordswithsimilesandmetaphors 

Vividuseoflanguageandmoreinformalstyle 

Nospeech except

quotations 

Nospeechexcepttohelpthedescription 

Speechtoshowfeelings,reactionsetc. 

Notemotional 

Emotionaltodescribeatmosphere 

Emotionaltodescribefeelings 

Onlyonemaincharacter  

Nocharacters 

Mayhaveseveralcharacters 

Factual 

Notfactualbutimaginative

Imaginativebutcanbebasedonfact

Structuralaccordingtoexperimentalmethod  

Notstructured   

Beginning,middle,end 

Pasttenseandpassivevoice 

Pasttense  

Pasttense 

MakingWay

OnceGoethe（歌德）,thegreatGermanpoet，waswalkinginapark.Hewasthinkingaboutsomethingwhenhenoticedhecametoavery,verynarrowroad.Justatthattime,ayoungmancametowardshimfromtheotherendoftheroad.Itwastoonarrowforbothofthemtopassthroughatthesametime.Theystoppedandlookedateachotherforawhile.Thentheyoungmansaidrudely，“Inevermakewayforafool.”ButGoethesmiledandsaid,“Ialwaysdo.”Thenheturnedbackquicklyandwalkedtowardstheendoftheroad.

WeatherReport

Here’stheweatherreportforthenext24hours.Beijingwillbefinewiththetemperaturefrom4to13.Tokyowillbefinetooandcloudylaterintheday.Thelowesttemperatureislto8.Londonwillberainyandwindylaterintheday.Thehighesttemperatureis8andthelowestis4.NewYorkwillbesunnyandcloudylaterintheday.Thetemperatureis13to19.

Heartbeating

Putyourhandtotheleftsideofyourchest.Trytofeelyourheartbeating.Thehearttakesalittlerestaftereachpumporbeat.Inboysorgirlsofyourage,heartbeatsabout90timesaminute.Agrown-up’sheartbeatsabout70or80timesaminute.Buttheheartbeatisdifferentinthesamepersonatdifferenttimes.Forexample,theheartbeatsfasterduringexercise.Itisalsofasterwhenapersonisangry,scared,orexcited.Duringsleep,theheartbeatslowsdown.

Sampleanswers:

S1:

Ithinkthefirstpiece“MakingAWay”isinastyleofcreativewriting.Thesecondpiecebelongstoadescriptionstyle.Thethirdpiecebelongstoareportstyle.

T:

Verygood.Nowlet’sreturntoourtext.Whocantellmethemainideaofthispassage?

S2:

I