高一英语 Unit16《Scientists at work第三课时》精品教案 旧人教版第一册.docx

高一英语 Unit16《Scientists at work第三课时》精品教案 旧人教版第一册.docx

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高一英语Unit16《Scientistsatwork第三课时》精品教案旧人教版第一册

2019-2020年高一英语Unit16《Scientistsatwork第三课时》精品教案旧人教版第一册

TeachingAims:

1.Reviewthewordslearntinthelastperiodandlearntheirdifferentmeaningsbyheart.

2.Learntoguessthemeaningofpounds.

3.Learntodescribethetwopartsofsomepounds.

TeachingImportantPoints:

1.Learnandmasterthedifferentmeaningsofsomeverbs.

2.Learntoguessthemeaningofpoundsandlearntodescribesomepounds.

TeachingDifficultPoints:

1.Howtodescribethetwopartsofsomepounds.

2.Howtoguessthemeaningofthepounds.

TeachingMethods:

1.Reviewmethodtoconsolidatewhatwe'velearnt.

2.Practicetomakethestudentslearnthewayofguessingpoundsanddescribingthem.

3.Individual,pairorgroupworktomakeeverystudentworkinclass.

TeachingAids:

1.aslideprojector

2.aputerformultimediause

TeachingProcedures:

StepⅠ.Greetings

Greetthewholeclassasusual.

StepⅡ.Revision

T:

InthelastperiodwelearntapassageaboutFranklin'sfamouskiteexperiment.

NowI'llaskoneortwostudentstoretelltheexperiment.Who'dliketo?

S1:

I'lltry.InJune1752,Franklinwantedtoshowthatlightningandelectricitywerethesame.Hedecidedtodoanexperimentusingakite,sohebuiltastrongkiteofsilk.Whenthefirstthunderstormcame,withhisson'shelp,hetookhiscondensertoashedinthefieldsandflewthekitehigh.Itbegantorain,butnothinghappened.whentheywerewaitingintherain,hesawsomehairsonthestringstoodup.Thestringwasgettingcharged.Hebroughthisfingerclosetothekeyandfeltalightbutveryclearelectricshock.Thatexperimentsucceededandprovedthatlightningandelectricitywerethesame.

T:

Verygood.NowI'llaskanotherstudenttodescribeanexperimentdonebefore.Anyvolunteers?

S2:

LastyearIdidanexperimentaboutthecharacterofrootsgrowingtowardswater.Letmedescribeit.

Iwantedtoshowtherootsofplantsgrowtowardsthedirectionoftheplacewithwater.IthoughtmuchandIfoundthebestwaytoproveit.

First,Ifoundtwopotswiththesamesoilandplantsineachofthem.ImarkedthemwithNo.1andNo.2oneachpot.TheninNo.2potIdugaholewhichwasacertaindistancefromtheplant.Iputsomewateraroundtheplantinthefirstpotbutsomewaterintotheholeoftheother.Somedayslater,Itookthemoutofthesoil.Tomysurprise,therootsoftheplantinNo.1growasusual,whiletherootsoftheotherplantgrowtowardsthehole.Itprovedthattherootsofplantsgrowtowardsthedirectionoftheplacewithwater.

StepⅢ.WordStudy

T:

Inthepassagelearntyesterdaywelearnedsomeimportantwords,suchas,charge,conduct,

cross,sharp,tear,tieandsoon.Pleasefindoutthesentencesincludingthewordsfromthepassage.

（Teacherasksstudentstoreadthesentencesandshowsthemonthescreen.）

1.BenjaminFranklinconductedanumberofexperimentinwhichheshowedwhatelectricityis.

2.Thestringwasgettingcharged.

3.Buildtheframeofthekitebymakingasmallcrossoftwopiecesoflightwood.

4.Addatailtotheframeandtiealongstringtothecrosssoyoucancontrolthekite.

5.First,fixaverysharppieceofmetal,pointingafootormoreabovetheframetothetopofthelongestofstickofthecross.

T:

PleaselookatthesentencesandputthemintoChinese.Meanwhile,tellmethemeaningsoftheunderlinedwords.

Suggestedanswers:

1.conductvt.指导；进行　富兰克林做了许多实验，在这些实验中他证实了电是什么。

2.chargevt.充电　我看见风筝线上的纤维直立起来，这根线有电了。

3.crossn.十字形　用两根木条绑了个十字形的框架。

4.tievt.系　往框架上加一个尾巴并且把一根长绳系到十字形的框架上，以便你能控制这个风筝。

5.sharpadj.尖的　首先，把一根尖尖的金属固定在框架中最长的木条上，并且要超出框架一英尺左右。

T:

Verygood.NowopenyourbooksandturntoPage19.

Let'sdoWordStudy.Inthispart,we'lllearntheusagesofsomewords.Foreachword,therearethreeexamplesandthreemeanings.Inoneofthesentences,thewordhasthesamemeaningasitdoesinthereadingtext.NowtranslatethesentencesintoChineseandtickthepropersentence.

（Teacheraskssomestudentstofinishthetaskandthenshowstheformonthescreen.）

Theanswerstotheexercise:

Charge3;conduct3;cross1;sharp2;tear1;tie3

StepⅣ.WordFormation

T:

（Pointingtotheblackboard）whatdowecallit?

Ss:

Blackboard.

（Teacherwritesitontheblackboard.）

T:

Theword“blackboard”isapoundwhichismadeupoftwoparts—“black”and“board”.Wecanguessthemeaningoftheword“blackboard”accordingtothemeaningsof“black”and“board”.Nowlet'strytoguesswhatsomewordsmeanaccordingtothetwoparts.Firstreadtheexample.

（Teacherasksstudentstoprepareingroups.

Theycandiscussthemifthereisanydifficulty.Atlast,teachercheckstheanswers.）

Suggestedanswers:

1.football　2.icecream　3.waterskiing　4.greenhouse　5.downtown　6.storekeeper/shopkeeper

（Writethemontheblackboard.）

StepⅤ.Practice

T:

Sofarwehavelearntmanypounds.Ithinkyoucanrememberthem.Nowplaygamesinpairs.Onestudentwritesdownyourdescriptionsofthetwopartsofsomepounds;theotheronetriestoguesswhatthepoundsare.

Prepareitinpairs.Afterawhile;I'llasksomeofyoutodothisinfrontoftheclass.

（Afterafewminutes.）

T:

Areyouready?

whichpairwouldliketoact?

S3andS4:

We'lldo.

…

T:

You'reveryclever.Welldone.

StepⅥ.SummaryandHomework

T:

Todaywe'vereviewedsomewordsandlearneddifferentmeaningsofsomewords.Alsowe'velearnedhowtodescribetwopartsofpoundsandhowtoguessthemeaningofapound.Afterclass,trytofindmorepoundsandguesswhateachpoundmeans.Ifyoucanoftendoso,youcanenlargeyourvocabulary.Somuchfortoday.Classisover.

StepⅦ.TheDesignoftheWritingontheBlackboard

Unit16　Scientistsatwork

TheThirdPeriod

pounds:

blackboard　black+board=blackboard

foot+ball=football

ice+cream=icecream

water+ski=waterski

green+house=greenhouse

down+town=downtown

StepⅧ.RecordafterTeaching

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2019-2020年高一英语Unit16《Scientistsatwork第二课时》精品教案旧人教版第一册

TeachingAims:

1.Learnandmasterthefollowing:

Words:

conduct,charge,shock,prove,work,tear,fasten,explain,appear

Phrases:

doanexperiment,agreatdealof,tie…to…stop…from…

SentencePattern:

HavingrealisedthatIcoulduse…,Idecidedtodoan…

2.ReadthepassageandlearnhowthescientistFranklinfoundlightningandelectricityarethesame.

3.Improvethestudents'readingabilitythroughreadingactivities.

TeachingImportantPoints:

1.Learnthewordsandphraseslistedabove.

2.Trainthestudentstoimprovetheirreadingprehension.

TeachingDifficultPoints:

1.Understandthefollowingsentencescorrectly:

（1）HavingrealisedthatIcoulduseakitetoattractlightning,Idecidedtodoanexperiment.

（2）Flythekitewhenathunderstormappearstobeingon.

2.Howtohelpthestudentsunderstandthepassagebetter.

TeachingMethods:

1.Question-and-answermethodtomakestudentsinterestedinwhattheywilllearn.

2.Fastreadingtogetthegeneralideaofthetext.

3.Carefulreadingtoanswersomedetailedquestions.

4.Individual,pairorgroupworktomakeeverystudentworkinclass.

TeachingAids:

1.ataperecorder

2.aprojectorandaputerformultimediause

TeachingProcedures:

StepⅠ.Greetings

Greetthewholeclassasusual.

StepⅡ.Revision

T:

Inthelastperiod,wetalkedaboutadvantagesanddisadvantagesofsomediscoveries.AndIaskedyoutomakeupadialoguewiththeinformationofonediscovery.NowI'llasktwostudentstoactoutthedialogueinfrontoftheclass.Anyvolunteers?

S1:

…

S2…

StepⅢ.Discussion

T:

（Showapictureofatelephoneonthescreen.）

Pleaselookatthepictureonthescreen.What'sit?

Ss:

It'satelephoneset.

T:

Doyouknowwhoinventedthetelephone?

S3:

Yes,Iknow.ItwasAlexanderBellwhoinventedthetelephone.

T:

Youareright.BellwasagreatinventorinAmerica.In1876,heinventedthetelephone.

After4years,heinventedphotophoneagain.

Therearemanyfamousscientistslikehimallovertheworld.Theymademanyimportantinventionsinmanyfields.Doyouknowthenamesofsomefamousscientists?

Whataretheyfamousfor?

Anyvolunteers?

S1:

Edison.Hewasagreatinventor.Heinventedtheelectricbulb,thephonographandmanyotherthings.

S2:

Calilean.Hemadeonastronomicaltelescopeandfirstbegantodoascientificexperiment.

S3:

Harvey.Hewasafounderofexperimentalbionomyinmoderntimes.

S4:

Einstein.Hewasfamousforhistheoryofrelativity.

S5:

…

T:

Yes.Youareright.Intheeighteenthandnineteenthcenturies,scientistsallovertheworldalsomademanyimportantdiscoveriesinmanydifferentfields,suchasinphysics,medicine,chemistryandbiology.Canyounamesomeofthem?

Whyaretheirdiscoveriesimportant?

Nowpleasediscussthequestionsingroupsoffourandwritedownyouranswersonapieceofpaper,thenI'llchecktheanswers.

（Teachergivesthemsomeminutestodiscussandthencollectsthestudents'idea.）

Suggestedanswers:

S6:

Newtons.Hewasthefamousphysicistandmathematicianinthehistoryofscience.Alsohemadeatelescope.HefoundthelawofuniversalgravitationandNewtonLaw.WithoutNewtonLawtherewouldn'tbemodernphysics.

S7:

MarieCurie.Shewasanextraordinarywomanscientist.Shefoundradiumanduranium.Shemadeagreatcontributioninphysics.Iftherewerenoradiumandnouranium,wecouldn'ttakex-rayphotos,whichareveryhelpfultomodernmedicine.

S8:

Darwin.Hewasthefounderofthetheoryofevolution.Histheorymakesusknowtheoriginofhumanandthedevelopmentofhumanbetter.Histheoryisveryimportanttothedevelopmentofbiology.

S9:

Nobel.Hewastheinventorofthedetonatorandsetup“NobelPrize”.Hisinventionmadeitsaferforhumanstouseexplosive.HisNobelprizeencouragesmorepeopletomakemorecontr