Unit 1《Great scientists》教案8人教版必修5.docx

Unit 1《Great scientists》教案8人教版必修5.docx

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Unit1《Greatscientists》教案8人教版必修5

Unit1Greatscientists

单元教学目标

技能目标SkillGoals

▲Talkaboutscienceandcontributionsofscientists

▲Practiceexpressingwill,hopeandsuggestions

▲Practiceexpressingthestagesinexamininganewscientificidea

▲Learntoorganizeascientificresearch

▲Learntousethepastparticipleasthepredicative&attribute

▲Practicedescribingpeople’scharacteristicsandqualities

▲Developtheskillsofpersuasiveanddescriptivewriting

重点词汇

1．四会词汇

engine,characteristic,theory,scientific,examine,conclude,conclusion,analyse,repeat,defeat,attend,expose,cure,control,absorb,test,severe,valuable,pump,pub,blame,immediately,handle,addition,link,announce,instruct,virus,construction,contribute,positive,strict,movement,god,backward,complete,spin,enthusiastic,cautious,reject,view

2．认读词汇

infect,infectious,cholera,deadly,outbreak,clue,Cambridge,germ,certainty,creative,cooperative,NicolasCopernicus,revolutionary,calculation,loop,privately,bright-ness,persuasive,logical

3．词组

putforward,makeaconclusion,inaddition,link...to...,apartfrom,bestrictwith,leadto,makesense,pointofview,exposeto,absorbinto,betoblame,physicalcharacteristic

教材重组

1第一课时：

WarmingUp，Pre-reading,Reading和Comprehending

2第二课时：

Reading部分的语言点讲解

3第三课时：

P7的Reading泛读课

4.第四课时：

LearningaboutLanguage以及Workbook中的USINGSTRUCTURES和USINGWORDSANDEXPRES-SIONS。

5.第五课时：

语法练习课

6第六课时：

UsingLanguage中的Listening与Speaking。

7.第七课时：

readingandwriting中的writing写作课

TheFirstPeriodReading

StepⅠLead-in

Askthestudentstothinkofsomegreatinventionsandinventorsinhistory.

T:

Welcomebacktoschool,everyone.Iguessmostofyouhaveenjoyedyourholiday.MaybeIshouldsayeveryonehasenjoyedascientificlife.Why?

Becauseyouhaveenjoyedtheresultsofthescienceandscientists.Nowcanyoutellmethescientistswhoinventedthelights,thegramophoneandthecomputer?

S1:

Edisoninventedthelightsandthegramophone.

S2:

ThefirstcomputerwasinventedbyagroupofAmericanscientists.

StepⅡWarmingup

First,asksomequestionsaboutgreatscientists.Second,tellallthestudentstoplaythegamecalledGuessWhoIAm.

T:

Youknowourlifeiscloselyrelatedtoscienceandscientists.Webenefitalotfromthem.Canyounameoutasmanyscientistsaspossible?

T；whatcontributionsdidtheymake?

T:

Ok,you’veknownalotaboutscientistsandnowlet’splayagamecalledGuessWhoIAm.Iwillshowyousomehintsofascientistonebyone,andyouguessthenameofthescientist.Let’sseewhichgroupwilldothebest.

1.IlivedinancientGreek.

2.Iwasamathematician.

3.Idiscoveredthatobjectsinwaterwereliftedupbyaforcethathelpedthemfloat.

Answer:

Archimedes

1.IlivedinBritain.

2.IpublishedTheOriginOfSpecies.

3.Icouldexplainhowanimalsandplantsdevelopastheenvironmentchanged.

Answer:

CharlesDarwin

1.IamEnglishman

2.I’veworkedinastronomy.

3.I’veputforwardatheoryaboutblackholes.

Answer；StephenHawking

1.IwasaChinese.

2.Myinventionhadeightdragonheadsroundthetopwitheightballsintheirmouths.Aroundthebottomwereeightfrogsdirectlyunderadragon’smouth.

3.Myinventionwastheearliestinstrumentthattoldpeoplewhereearthquakeshappened.

Answer:

ZhangHeng

1.IwasanAmerican.

2.Iinventedelectriclightbulb

3.Iinventedthewayofgivingelectricitytoeverybodyinlargecities.

Answer:

ThomasEdison

1.IwasaladyandborninPoland.

2.IreceivedtwoNobelprizes.

3.Idiscoveredradium.

Answer:

MarieCurie

StepⅢPre-reading

Getthestudentstodiscussthequestionsonpage1withtheirpartners.Thenaskthestudentstoreporttheirwork.Encouragethestudentstoexpresstheirdifferentopinions.

T:

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

Showthefollowingonthescreen:

1.Whatdoyouknowaboutinfectiousdiseases?

2.Whatdoyouknowaboutcholera?

3.Doyouknowhowtoproveanewideainscientificresearch?

4.Whatorderwouldyouputthesevenin?

Justguess.

Drawaconclusionthinkofamethodcollectresults

makeaquestionfindaproblemanalysetheresults

findsupportingevidence

T:

Welldone!

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

StepⅣReading

T:

Nowletsreadthetitleandthepictureandguesswhatthepassagemaytellus.

T:

TheeffectofcholerainthenineteenthcenturyLondonwasdevastating.Manypeoplediedwithoutknowingthereason.ItwasdoctorJohnSnowwhosavedthepeople.Pleaselookatthescreen.Let’sreadthewholepassagequicklyandfindthenumberbelowandtherelevanthappeningsinthepassage.（Competitionamonggroups）

Twotheories

Thefirstsuggestedthat…multipliedintheair;.Thesecondsuggested…absorbedthisdiseaseintotheirbodieswiththeirmeals.

In1854

AnotheroutbreakhitLondon.

500,10

Morethan500peoplehaddiedin10days.

16,37,38and40

ThesenumbersinBroadStreetnearthewaterpumphadmanyofthedeaths

20,21;8,9

20and21BroadStreetand8and9CambridgeStreethadnodeaths….Theydidn’tdrinkthewaterfromtheBroadStreetpump.

7

Thesefamiliesworkedinthepubat7CambridgeStreet.Theydidn’tdrinkthewaterfromthepump.

StepⅤTextanalyzing

Askthestudentstoanalyzethetextingroups.

T:

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

Paragraph

Stages

Generalideas

1

Findaproblem

Thecausesofcholera

2

Makeupaquestion

Thecorrectorpossibletheory

3

Thinkofamethod

Collectdataonwherepeoplewereillanddiedandwheretheygottheirwater

4

Collectresults

Plotinformationonamaptofindoutwherepeoplediedordidnotdie

5

Analysetheresults

Analysethewatertoseeifthatisthecauseoftheillness

6

Repeatifnecessary

Findotherevidencestoconfirmhisconclusion

7

Makeaconclusion

ThepolluteddirtysourceofdrinkingwaterwastoblameforthecauseoftheLondoncholera

T:

Nowclass.Canyoutellmewhatstyleofthepassagebelongsto?

T:

Herearethreepiecesofwriting.Theybelongtodifferentwritingstyles.Nowreadandfindoutwhatstyleeachpiecebelongsto.

Showthechartandthreepiecesofwritingonthescreen.

Report

Description

Creativewriting

Formallanguagewithfewadjectives

Vividuseofwordswithsimilesandmetaphors

Vividuseoflanguageandmoreinformalstyle

Nospeechexcept

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:

Ican.ClearlyittellsushowJohnSnowdefeatedthediseasecholerabydoingscientificresearch.

StepⅥLanguagePoints（见附页）

StepⅧHomework

TheSecondPeriodExtensiveReading

StepIRevision

Askthestudentstoretellthetext.

StepⅡPre-reading

ShowthepictureoftheSolarSystemandremindthemofthecommonknowledgeof“Sun-CenteredTheory”.

T:

Todaywearegoingtolearnmoreaboutscienceandscientists.TherearetwopicturesofthegreatscientistandtheSolarSystem.Youcandiscusswithyourpartnersaboutthem.Thentellmesth.aboutthem.

（Mercury水星Venus金星Earth地球

Mars火星Jupiter木星Saturn土星

Uranus天王星Neptune海王星Pluto冥王星）

StepⅢReading

Encouragethestudent