Unit 1 Great scientists.docx

Unit 1 Great scientists.docx

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Unit1Greatscientists

Unit1Greatscientists

TheFirstPeriodReading

Teachinggoals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.

Teachingimportant&difficultpoints教学重难点

Talkaboutscienceandscientists.

Teachingmethods教学方法

Task-basedactivities.

Teachingaids教具准备

Acomputerandaprojector.

Teachingprocedures&ways教学过程与方式

StepⅠLead-in

Askthestudentstothinkofsomegreatinventionsandinventorsinhistory.

T:

Welcomebacktoschool,everyone.Iguessmostofyouhaveenjoyedyourholiday.MaybeIshouldsayeveryonehasenjoyedascientificlife.Why?

Becauseyouhaveenjoyedtheresultsofthescienceandscientists.Nowcanyoutellmethescientistswhoinventedthelights,thegramophoneandthecomputer?

S1:

Edisoninventedthelightsandthegramophone.

S2:

ThefirstcomputerwasinventedbyagroupofAmericanscientists.

StepⅡWarmingup

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.

StepⅢPre-reading

Getthestudentstodiscussthequestionsonpage1withtheirpartners.Thenaskthestudentstoreporttheirwork.Encouragethestudentstoexpresstheirdifferentopinions.

StepⅣReading

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.

StepVHomework

1.Getmoreinformationaboutsomeinfectiousdiseasesandmodernscientists.

2.FinishtheExercises1,2,3onpages3and4.

TheSecondPeriodExtensiveReading

Teachinggoals教学目标

1.Targetlanguage目标语言

a.重点词汇和短语

movement,complete,backward,spin,enthusiastic,cautious,reject,topology,leadto,makesense

b.重点句式

Althoughhehadtriedtoignorethem...P7

Theproblemarosebecause...P7

Healsosuggestedthat...P7

2.Abilitygoals能力目标

Enablethestudentstotalkaboutthestagesinscientificresearch.

3.Learningabilitygoals学能目标

Enablethestudentstoknowaboutthegeneralapproachfordoingaresearch.

Teachingimportant&difficultpoints教学重难点

Learnaboutthecommonstagesindoingaresearch.

Teachingmethods教学方法

Task-basedlearningapproach.

Teachingaids教具准备

Ataperecorder

Teachingprocedures&ways教学过程与方式

StepIRevision

Dictationandrevision

StepⅡPre-reading

Askthestudentstolookatthepicturesonpages7and45.Andremindthemofthecommonknowledgeof“Sun-CenteredTheory”and“theEulerpath”.

T:

Todaywearegoingtolearnmoreaboutscienceandscientists.Therearetwopicturesofthegreatscientistsandtheillustrationsoftheirtheory.Youcandiscusswithyourpartnersaboutthem.Thentellmesth.aboutthem.

S1:

WeknowthefirstpictureisCopernicus.Hewasoneofthefirstscientiststousemathematicalobservationstocollectinformation.Hebelievedthesunisthecenteroftheuniverseandtheearthandotherplanetswentaroundit.Theillustrationshowshistheory.

S2:

WeguessthesecondpictureisLenohardEuler.Eulerinventedanewbranchofmathematics—topologybyluck.Thechartisaboutthe“SevenBridgesofKonigsberg”andthefamous“Eulerpath”.

StepⅢReading

Encouragethestudentstogetthegeneralideasofthepassages.

T:

Inthelastperiod,wehavelearnedabouthowDoctorJohnSnowusedsevenstagestoprovehisconclusionandfulfilledhisresearch.Thisperiodwewillalsodealwithtwoscientificreports.Pleasereadthetwopassagesquicklyandtrytoanswerthequestionsonthescreen.

Showthequestionsonthescreen.

1.What’sCopernicus’fear?

2.What’sEuler’spuzzle?

3.HowdidCopernicusprovehistheory?

4.HowdidEulerprepareforhisresearch?

5.Whataretheirtheories?

Sampleanswers:

S1:

Ihavetheanswer.CopernicusfoundhistheorywasagainsttheChristianchurch’ssaying.Ifhespokeouthisfinding,hewouldbepunishedseverely.

S2:

IknowEuler’spuzzle.Hefoundthathecouldcrosssixofthebridgeswithoutgoingoveranyofthemtwiceorgoingbackonhimself,buthecouldn’tcrossallseven.

S3:

Letmeanswerthethirdquestion.Copernicushadthoughtlongandhardabouttheseproblemswhichastronomershadnoticedandtriedtofindananswer.Heusedallhismathematicalcalculationstoworkontheseproblems.Hehadcollectedobservationsofthestarsforovertenyears.Allhiscalculationsandobservationsprovedthathistheorywasright.

S4:

IwouldliketosaysomethingaboutEuler’sresearch.Thefirststageinhisresearchistofindtheproblemthathecouldcrosssixofthebridgeswithoutgoingoveranyofthemtwiceorgoingbackonhimself,buthecouldn’tcrossallseven.Thesecondstageistothinkofamethod:

Hedrewamapanduseddotsandlinestosimplifyhisanalysis.Tryingandobservingoverandoveragain,hefoundageneralrule.

StepⅣFurther-reading

Thistimethestudentsareencouragedtoreadthetwopassagescarefullyandthendotheexercisesandproblemsonpages7and46.

T:

Nowclass.Pleasereadthetwopassagesagain.Anddiscussthequestionsonthescreeningroups.

Showthequestionsonthescreen.

1.Asascientist,oneshouldbebrave.ButCopernicuswasafraidofbeingattackedbytheChristianChurch.Sohehadhiddenhistheoryforsomanyyears.Whatdoyouthinkofthis?

2.Eulerwascalled“thefatherofmodernmathematics”.Inwhatareaistopologyusedtoday?

Sampleanswers:

S1:

IthinkCopernicuswasverycoward.Heshouldspeakouthisdiscoveryandlettheworldknowthetruthearlier.

S2:

Idon’tagreewithyou.Hewasmorecautiousthancoward.Ifhehadpublishedhisideas,hewouldhavebeenkilledjustasBrunowhowasburnttodeathbecausehistheorywasagainsttheChristianChurch’s.

StepⅤPractice

ForExercises1and2onpage7andtheproblemsonpage46,encouragethestudentstofulfillthemquicklyandcorrectly.Andchecktheanswerstogether.Andthenwritethefollowingsentencesontheblackboard;askthestudentstopayattentiontothepastparticiple.Guidethemtofindouttheirfunctionsinthesentences.

Showthefollowingonthescreen.

1.NicolasCopernicuswasfrightenedandhismindwasconfused.

2.Heplacedafixedsunatthecenterofthesolarsystem...

3.Hejoinedthesepointstogetherusingcurvedlines...

T:

Pleasereadthethreesentencesandtellmewhatpartsofspeechthepastparticiplesareactingas.

Asampleanswer:

Inthefirstsentence,“frightened”and“confused”areactingaspredicative.Inthesecondandthethirdsentence,“fixed”and“curved”areusedasattributes.

StepⅥHomework

1.SearchontheInternetformoreinformationaboutCopernicusandEuler.

2.Prepareforthelanguagestudy,reviewingthewordsandexpressionsinthisunit.

TheThirdPeriodLanguageStudy

Teachinggoals教学目标

1.Targetlanguage目标语言

重点词汇和短语

virus,contribute,conclude,makeone’swayto,reservedseats

2.Abilitygoals能力目标

Learnthepastparticipleusedasattributeandpredicative.

Teachingimportant&difficultpoints教学重难点

Learnthepastparticipleusedasattributeandpredicative.

Teachingmethods教学方法

Grammar-Translationmethod.

Teachingaids教具准备

Acomputerandaprojector.

Teachingprocedures&ways教学过程与方式

StepⅠRevisionandLead-in

Task1:

Dictatethefollowingimportantwordsandexpressions.

T:

Nowclass.Let’shaveadictation.Ready?

Referencewords:

valuable,instruct,cure,announce,lookinto,examine,putforward,immediately,expose,linkto,blame,absorb,severe,defeat,reject,test.That’sover,haveyoufinished?

StepⅡPractice

Task1:

Enablethestudentstodothefollowingexercises.

T:

Pleaselookatthescreenandp