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

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

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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.

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

Inthepassagelearntyesterdaywelearnedsomeimportantwords,suchas,charge,conduct,

cross,sharp,tear,tieandsoon.Pleasefindoutthesentencesincludingthewordsfromthepassage.

（Teacherasksstudentstoreadthesentencesandshowsthemonthescreen.）

1.BenjaminFranklinconductedanumberofexperimentinwhichheshowedwhatelectricityis.

2.Thestringwasgettingcharged.

3.Buildtheframeofthekitebymakingasmallcrossoftwopiecesoflightwood.

4.Addatailtotheframeandtiealongstringtothecrosssoyoucancontrolthekite.

5.First,fixaverysharppieceofmetal,pointingafootormoreabovetheframetothetopofthelongestofstickofthecross.

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。

Verygood.NowopenyourbooksandturntoPage19.

Let'

sdoWordStudy.Inthispart,we'

lllearntheusagesofsomewords.Foreachword,therearethreeexamplesandthreemeanings.Inoneofthesentences,thewordhasthesamemeaningasitdoesinthereadingtext.NowtranslatethesentencesintoChineseandtickthepropersentence.

（Teacheraskssomestudentstofinishthetaskandthenshowstheformonthescreen.）

Theanswerstotheexercise:

Charge3;

conduct3;

cross1;

sharp2;

tear1;

tie3

StepⅣ.WordFormation

（Pointingtotheblackboard）whatdowecallit?

Ss:

Blackboard.

（Teacherwritesitontheblackboard.）

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

strytoguesswhatsomewordsmeanaccordingtothetwoparts.Firstreadtheexample.

（Teacherasksstudentstoprepareingroups.

Theycandiscussthemifthereisanydifficulty.Atlast,teachercheckstheanswers.）

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

（Writethemontheblackboard.）

StepⅤ.Practice

Sofarwehavelearntmanypounds.Ithinkyoucanrememberthem.Nowplaygamesinpairs.Onestudentwritesdownyourdescriptionsofthetwopartsofsomepounds;

theotheronetriestoguesswhatthepoundsare.

Prepareitinpairs.Afterawhile;

llasksomeofyoutodothisinfrontoftheclass.

（Afterafewminutes.）

Areyouready?

whichpairwouldliketoact?

S3andS4:

We'

lldo.

…

You'

reveryclever.Welldone.

StepⅥ.SummaryandHomework

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

_____________________________________

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

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.

1.Learnthewordsandphraseslistedabove.

2.Trainthestudentstoimprovetheirreadingprehension.

1.Understandthefollowingsentencescorrectly:

（1）HavingrealisedthatIcoulduseakitetoattractlightning,Idecidedtodoanexperiment.

（2）Flythekitewhenathunderstormappearstobeingon.

2.Howtohelpthestudentsunderstandthepassagebetter.

1.Question-and-answermethodtomakestudentsinterestedinwhattheywilllearn.

2.Fastreadingtogetthegeneralideaofthetext.

3.Carefulreadingtoanswersomedetailedquestions.

4.Individual,pairorgroupworktomakeeverystudentworkinclass.

1.ataperecorder

2.aprojectorandaputerformultimediause

Inthelastperiod,wetalkedaboutadvantagesanddisadvantagesofsomediscoveries.AndIaskedyoutomakeupadialoguewiththeinformationofonediscovery.NowI'

llasktwostudentstoactoutthedialogueinfrontoftheclass.Anyvolunteers?

S2…

StepⅢ.Discussion

（Showapictureofatelephoneonthescreen.）

Pleaselookatthepictureonthescreen.What'

sit?

It'

satelephoneset.

Doyouknowwhoinventedthetelephone?

S3:

Yes,Iknow.ItwasAlexanderBellwhoinventedthetelephone.

Youareright.BellwasagreatinventorinAmerica.In1876,heinventedthetelephone.

After4years,heinventedphotophoneagain.

Therearemanyfamousscientistslikehimallovertheworld.Theymademanyimportantinventionsinmanyfields.Doyouknowthenamesofsomefamousscientists?

Whataretheyfamousfor?

Anyvolunteers?

Edison.Hewasagreatinventor.Heinventedtheelectricbulb,thephonographandmanyotherthings.

Calilean.Hemadeonastronomicaltelescopeandfirstbegantodoascientificexperiment.

Harvey.Hewasafounderofexperimentalbionomyinmoderntimes.

S4:

Einstein.Hewasfamousforhistheoryofrelativity.

S5:

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

Whyaretheirdiscoveriesimportant?

Nowpleasediscussthequestionsingroupsoffourandwritedownyouranswersonapieceofpaper,thenI'

llchecktheanswers.

（Teachergivesthemsomeminutestodiscussandthencollectsthestudents'

idea.）

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