范文The Properties of Water教案.docx

范文The Properties of Water教案.docx

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范文ThePropertiesofWater教案

ThePropertiesofWater教案

　　Unit13ThePropertiesofwater

　　TeachingGoals

　　.Talkaboutwaterandtheocean.

　　2.Practicecommunicativeskills.

　　3.ReviewmodalVerbs.

　　4.writeanexplanationparagraph.

　　TheFirstPeriod

　　TeachingAims:

　　.

　　Learnandmasterthenewwordsandtheusefulexpressionsofthispart.

　　2.

　　Learnsomethingaboutwaterbydoingexperiment.

　　3

　　Dosomelistening.

　　4.

　　Improvethestudents’speakingabilitybytalking.

　　TeachingImportantPoints:

　　.

　　makethestudentsbefreetotalkaboutwater.

　　2.

　　Improvethestudents’listeningabilitybylistening.

　　TeachingDifficultPoints:

　　.

　　Howtofinishthetaskofspeaking.

　　2.

　　Howtoimprovethestudents’listeningability.

　　Teachingmethods:

　　.

　　Listening-and-answeringactivitytohelpthestudentsgothroughwiththelisteningmaterial.

　　2.

　　Individual,pairorgroupworktomakeeverystudentworkinclass.

　　TeachingAids:

　　.

　　themultimedia

　　2.

　　theblackboard

　　3.

　　anemptyglass,abottleofwaterandabottleofvegetableoil

　　TeachingProcedures:

　　Step1GreetingsandLead-in

　　Readashortpoemandguessitsname:

Aletterfrom_______.

　　DearUser,

　　Shametoyouall,theIgnorant,

　　Iamyourlife

　　Butyouseemnottovalueme

　　Givemealltherespect

　　Forinmeiseternallife

　　Ifyoucontinueabusingme

　　Surely,allformsoflifewillwitheraway

　　Haveyoueverimagined,

　　Lifewithoutme?

　　Itellyou,itwillbeunbearable

　　Thinktwice

　　Foreverydropcounts...

　　Qs:

1）whatdoes“Dearuser”herereferto?

　　2）whatdoesittalktoitsusers?

　　3）onwhichplanetdoesitexist?

　　－ontheearth,whichisalsocalledthewaterplanet.

　　4）Doyouknowwhyitiscalled“Thewaterplanet”?

　　－Becauseaboutthreequartersoftheearthiscoveredbywater.

　　Step2:

Pairwork:

collectasmanywordsaspossiblerelatedtowater.

　　Qs:

　　Howmuchdoyouknowaboutwater?

　　Isallwaterfreshorsalty?

　　Step3:

Talkaboutthepropertiesofwater.

　　.Pairwork

　　T:

waterisaroundusandinsideus.wecan’tgowithoutwater.

　　Qs:

whyiswatersoimportanttolivingthings?

　　canyoupointoutsomeofitspropertiesorcharacteristics?

　　Suggestedvocabulary:

　　It'scolorless,tasteless,odorlessanduniversaldissolvent.

　　Itfeelswet;

　　Itexistsinthreeforms:

liquid,solid,gas,andiscycledthroughthewatercycle;

　　Itcanabsorbalargeamountofheat;

　　Itstickstogetherintobeadsordrops;

　　It'spartofeverylivingorganismontheplanet;etc.

　　2.Groupwork

　　Learnmoreaboutwater’spropertiesbydoingsomesimpleexperimentsandlearntodescribeanexperiment.

　　whatpropertyofwaterdoeseachofthefourexperimentsillustrate?

　　whatcausesthisphenomenon?

　　what’sthisphenomenonrelatedto?

　　①Experiment1showshowairpressurecausesapieceofthickpapertoclingtoanupturnedglassofwater.

　　②Experiment2illustrateshowsubstanceswithdifferentdensitybehavewhenplacedinthesamecontainer.

　　③Experiment3isanexampleofhowwaterdissolvessubstancesandobjects.

　　④Experiment4illustratessomeofthedifferencesbetweensaltwaterandfreshwater.

　　3.T:

whatotherpropertiesofwaterdoyouknowabout?

　　whatcausesthefollowingphenomena?

canyouexplain?

　　①wecangetalotofnutrientsbydrinkingwaterandhavingsoup.

　　②woodfloatsonwaterwhileironsinks.

　　③Thecoastalareasareoftenneithertoohotnortoocold.

　　④whycansomelivingthingsliveatthebottomoftheoceanwherethereis

　　nosunshine?

　　Tryaskingquestionsaboutthepropertiesofwaterandthengiveanswerstothem.

　　Step5:

Homework

　　．

　　Readthetextcarefullyandfindoutthedetailedinformationaboutwaterproperties.

　　2．

　　Thinkasmanyexamplesaspossibletoillustratewaterproperties.

　　TheSecondPeriod

　　TeachingAims:

　　.Learnandmasterthesomenew

　　wordsandphrases.

　　2.Improvethestudents’readingability.

　　3.Enablethestudentstorealizethatitisimportanttoprotectthewateronourplanet.

　　TeachingImportantPoints:

　　.Improvethestudents’readingability.

　　2.masterthefollowingphrases:

　　alltheway,thatis,mixwith,takeadvantageof,managetodo

　　TeachingDifficultPoint:

　　Howdowemakethestudentsunderstandthereadingpassagebetter.

　　Teachingmethods:

　　.Discussionbeforereadingtomakethestudentsinterestedinwhattheywilllearn.

　　2.Fastreadingtogetageneralideaofthetext.

　　3.Discussionafterreadingtomakestudentsunderstandwhatthey’velearnedbetter.

　　4.carefulreadingtogetthedetailedinformationinthetext.

　　TeachingAids:

　　.themultimedia

　　2.theblackboard

　　TeachingProcedures:

　　Step1Greetings

　　Step2RevisionandLead-in

　　Asksomeonetoillustratewaterproperties.

　　Step3:

Pre-reading

　　Lookatthetitlesinthetextbelow.Donotreadthewholetext.Pickoutthesubjectofeachparagraph.Usethestructuresbelowtomakesixquestionsrelatedtothesubjects.

　　whatis/are________?

　　whatdoes_________looklike?

　　whataredifferentpartsof______?

　　whatcan________becomparedto?

　　Howdoes_______work?

　　whataresomeexamplesof________?

　　Skimtofindthewordsandphraseswhichdescribethepropertiesofwaterinthereadingtext.

　　ScantoFindoutsomebasicfactsaboutlifeintheoceans.

　　Lifeonearthbeganintheoceansaboutthreebillionyearsago;

　　99%ofthelivingspaceonearthisintheoceans;

　　Thereareaboutfivemillionspeciesintheoceans;

　　Lifeintheoceansrangesfromtinyplanktontogiantwhales.

　　T:

yesterday