Unit 1 Great scientistsWord文档下载推荐.docx
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Unit 1 Great scientistsWord文档下载推荐.docx
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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.
Youknowourlifeiscloselyrelatedtoscienceandscientists.Webenefitalotfromthem.Canyounameoutasmanyscientistsaspossible?
Newton.
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.
TheeffectofcholerainthenineteenthcenturyLondonwasdevastating.Manypeoplediedwithoutknowingthereason.ItwasdoctorJohnSnowwhosavedthepeople.Pleaselookatthescreen.Let’sreadthewholepassageandfindanswerstothequestions.
Showthequestionsonthescreen.
1.Whatconditionsallowedcholeradevelop?
2.Whydoyouthinkpeoplebelievedthatcholeramultipliedintheairwithoutreason?
3.WhatevidencedidJohnSnowgathertoconvincepeoplethatidea2wasright?
Thedirtywatermadethecholeradevelopquickly.
Becausepeoplecouldnotunderstanditscauseandcouldnotgetitcured.Sopeopleimaginedthatsomepoisonousgasintheaircausedthedeaths.
Hefoundthatmanyofthedeathswerenearthewaterpumpwhilesomeareasfarawayfromthewaterpumphadnodeaths.Sowhenpeoplewereaskednottousethewaterpump,thediseasebegantoslowdown.Inthisway,JohnSnowhadshownthatcholerawasspreadbygermsandnotinacloudofgas.
StepVHomework
1.Getmoreinformationaboutsomeinfectiousdiseasesandmodernscientists.
2.FinishtheExercises1,2,3onpages3and4.
TheSecondPeriodExtensiveReading
Teachinggoals教学目标
1.Targetlanguage目标语言
movement,complete,backward,spin,enthusiastic,cautious,reject,topology,leadto,makesense
Althoughhehadtriedtoignorethem...P7
Theproblemarosebecause...P7
Healsosuggestedthat...P7
Enablethestudentstotalkaboutthestagesinscientificresearch.
3.Learningabilitygoals学能目标
Enablethestudentstoknowaboutthegeneralapproachfordoingaresearch.
difficultpoints教学重难点
Learnaboutthecommonstagesindoingaresearch.
Task-basedlearningapproach.
Ataperecorder
StepIRevision
Dictationandrevision
StepⅡPre-reading
Askthestudentstolookatthepicturesonpages7and45.Andremindthemofthecommonknowledgeof“Sun-CenteredTheory”and“theEulerpath”.
Todaywearegoingtolearnmoreaboutscienceandscientists.Therearetwopicturesofthegreatscientistsandtheillustrationsoftheirtheory.Youcandiscusswithyourpartnersaboutthem.Thentellmesth.aboutthem.
WeknowthefirstpictureisCopernicus.Hewasoneofthefirstscientiststousemathematicalobservationstocollectinformation.Hebelievedthesunisthecenteroftheuniverseandtheearthandotherplanetswentaroundit.Theillustrationshowshistheory.
WeguessthesecondpictureisLenohardEuler.Eulerinventedanewbranchofmathematics—topologybyluck.Thechartisaboutthe“SevenBridgesofKonigsberg”andthefamous“Eulerpath”.
StepⅢReading
Encouragethestudentstogetthegeneralideasofthepassages.
Inthelastperiod,wehavelearnedabouthowDoctorJohnSnowusedsevenstagestoprovehisconclusionandfulfilledhisresearch.Thisperiodwewillalsodealwithtwoscientificreports.Pleasereadthetwopassagesquicklyandtrytoanswerthequestionsonthescreen.
1.What’sCopernicus’fear?
2.What’sEuler’spuzzle?
3.HowdidCopernicusprovehistheory?
4.HowdidEulerprepareforhisresearch?
5.Whataretheirtheories?
Ihavetheanswer.CopernicusfoundhistheorywasagainsttheChristianchurch’ssaying.Ifhespokeouthisfinding,hewouldbepunishedseverely.
IknowEuler’spuzzle.Hefoundthathecouldcrosssixofthebridgeswithoutgoingoveranyofthemtwiceorgoingbackonhimself,buthecouldn’tcrossallseven.
Letmeanswerthethirdquestion.Copernicushadthoughtlongandhardabouttheseproblemswhichastronomershadnoticedandtriedtofindananswer.Heusedallhismathematicalcalculationstoworkontheseproblems.Hehadcollectedobservationsofthestarsforovertenyears.Allhiscalculationsandobservationsprovedthathistheorywasright.
S4:
IwouldliketosaysomethingaboutEuler’sresearch.Thefirststageinhisresearchistofindtheproblemthathecouldcrosssixofthebridgeswithoutgoingoveranyofthemtwiceorgoingbackonhimself,buthecouldn’tcrossallseven.Thesecondstageistothinkofamethod:
Hedrewamapanduseddotsandlinestosimplifyhisanalysis.Tryingandobservingoverandoveragain,hefoundageneralrule.
StepⅣFurther-reading
Thistimethestudentsareencouragedtoreadthetwopassagescarefullyandthendotheexercisesandproblemsonpages7and46.
Nowclass.Pleasereadthetwopassagesagain.Anddiscussthequestionsonthescreeningroups.
1.Asascientist,oneshouldbebrave.ButCopernicuswasafraidofbeingattackedbytheChristianChurch.Sohehadhiddenhistheoryforsomanyyears.Whatdoyouthinkofthis?
2.Eulerwascalled“thefatherofmodernmathematics”.Inwhatareaistopologyusedtoday?
IthinkCopernicuswasverycoward.Heshouldspeakouthisdiscoveryandlettheworldknowthetruthearlier.
Idon’tagreewithyou.Hewasmorecautiousthancoward.Ifhehadpublishedhisideas,hewouldhavebeenkilledjustasBrunowhowasburnttodeathbecausehistheorywasagainsttheChristianChurch’s.
StepⅤPractice
ForExercises1and2onpage7andtheproblemsonpage46,encouragethestudentstofulfillthemquicklyandcorrectly.Andchecktheanswerstogether.Andthenwritethefollowingsentencesontheblackboard;
askthestudentstopayattentiontothepastparticiple.Guidethemtofindouttheirfunctionsinthesentences.
Showthefollowingonthescreen.
1.NicolasCopernicuswasfrightenedandhismindwasconfused.
2.Heplacedafixedsunatthecenterofthesolarsystem...
3.Hejoinedthesepointstogetherusingcurvedlines...
Pleasereadthethreesentencesandtellmewhatpartsofspeechthepastparticiplesareactingas.
Asampleanswer:
Inthefirstsentence,“frightened”and“confused”areactingaspredicative.Inthesecondandthethirdsentence,“fixed”and“curved”areusedasattributes.
StepⅥHomework
1.SearchontheInternetformoreinformationaboutCopernicusandEuler.
2.Prepareforthelanguagestudy,reviewingthewordsandexpressionsinthisunit.
TheThirdPeriodLanguageStudy
重点词汇和短语
virus,contribute,conclude,makeone’swayto,reservedseats
Learnthepastparticipleusedasattributeandpredicative.
Grammar-Translationmethod.
StepⅠRevisionandLead-in
Task1:
Dictatethefollowingimportantwordsandexpressions.
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
Enablethestudentstodothefollowingexercises.
Pleaselookatthescreenandp
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