Unit9第四課時教案

Unit9Whenwasitinvented?

Period4

KnowledgeObjects:

Reading(3a)

Writing

pairwork

AbilityObjects:

Trainstudents’readingandwritingability

Languagegoals

Words&expressions

invent,scoop,adjustable,operate,mistake,thin,sprinkle,sweet,salty,crispy,sour,discover,annoying,special,ancient,legend,boil,fire,nearby,remain,notice,produce,pleasant,throw,thousand,century,taste,smell,create,divide,shoot

Keysentences

Whoinventedthem?

Theywereinventedin1863.

Abilitygoals

Enablethestudentstounderstandandusethenewwordsofthisunit.

Emotion&attitudegoals

Enablethestudentstobeawareofdifferentinventionsaroundthem.

Strategygoals

Enablethestudentstousewhattheyknowtoexplainnewwords.

Teachingimportantpoints

Understandandusethenewwordsandphrases.

Teachingproceduresandways

3aReadingandanswering

Nowlet’sreadtofindoutwhoinventedtea.Whileyouread,circleallthelinkingwordsandunderlinealltheusefulexpressions.

Whoinventedtea?

Doyouknowthattea,themostpopulardrinkintheworld（afterwater）,wasinventedbyaccident?Althoughteawasn’tbroughttotheWesternworlduntil1610,thisbeveragewasdiscoveredoverthreethousandyearsbeforethat.AccordingtoanancientChineselegend,theemperorShenNongdiscoveredteawhenhewasboilingdrinkingwateroveranopenfire.Someleavesfromanearbybushfellintothewaterandremainedthereforsometime.Theemperornoticedthattheleavesinthewaterproducedapleasantsmell.Laterhedecidedtotastethehotmixture.Itwasquitedelicious.Andinthisway,oneoftheworld’sfavoritedrinkswasinvented.

Afteryouread,answerthe4questionsfollowingthearticle.

1.Whatisthearticleabout?

Itisabouttheinventionoftea.

wasitinvented?

Itwasinventedoverthreethousandyearsbefore1610.

wasitinventedby?

ItwasinventedbyShenNong.

4.Howwasitinvented?

TheemperorShenNongnoticedthattheleavesfromanearbybushinthewaterproducedapleasantsmell.Hetastedthehotmixture.Itwasquitedelicious.

BlackboardDesign

Unit9Whenwasitinvented

3bWritinganarticle

Onpage72youwillfindnotesintheboxontheleft.Writeanarticleusingthenotesabouttheinventionoftheflyingdisk.

Frompieplatetoflyingdisk

AbakernamedWilliamRusselFrisbie,ofWarren,Connecticut,andlaterofBridgeport,cameupwithaclevermarketingideabackinthe1870s.Heputthefamilynameinreliefonthebottomofthelighttinpansinwhichhiscompany’shomemadepiesweresold.Thepanswerereusable,buteverytimeahousewifestartedtobakeapieinone,shewouldseethenameFrisbieand,itwashoped,think,"Howmucheasiertobuyone".EventuallyMr.Frisbie’spiesweresoldthroughoutmuchofConnecticut,includingNewHaven.

There,sometimeinthe1940s,Yalestudentsbegansailingthepietinsthroughtheairandcatchingthem.Adecadelater,outinCalifornia,aflying-saucerenthusiastnamedWalterFrederickMorrisondesignedasaucer-likediskforplayingcatch.ItwasproducedbyacompanynamedWham-O.Onapromotionaltourofcollegecampuses,thepresidentofWham-Oencounteredthepie-plate-tossingcrazeatYale.AndsotheflyingsaucerfromCaliforniawasrenamedafterthepieplatefromConnecticut.OfcoursethenamewaschangedfromFrisbietoFrisbeetoavoidanylegalproblems.

4aThinkingandinvention

Weallhavethingsthatwedon’tlikingdoing.Whynotthinkofaninventionthatcouldhelpyou.Writethedetailsofyourinventioninthechartonpage72.

Problem

LearningEnglish

Newinvention

AmachinethattranslatesEnglishintoChinese

Use

Themachine“sees”thewrittenEnglish,andshowsthetranslation.

Themachine“hears”thespokenEnglish,andrepeatsitinChinese.

Price

100yuaneach

4bDoingpairwork

Inpairsaskeachotherquestionsaboutinventions,andtrytosellyourinventiontoyourpartner.

Youmaybeginasisshownintheboxonpage72.

A:ThisspecialpenwasinventedbyZhengJie.IthasthreecolorsanditisusedforlearningEnglish.

B:Howisitspecial?

A:Whentheredcoloristurnedon,thepenreadsoutEnglishasitismovedalongtheline.

B:Whenabouttheblackcolor?

A:Whentheblackcoloristurnedon,thepenfindsoutthestructureofthesentencesasitismovedalongtheline.

B:Whenabouttheyellowcolor?

A:Whentheyellowcoloristurnedon,thepenshowstheformationandmeaningofthewordasitismovedalongtheline.

B:Wonderful!WherecanIgetone?

A:Iamtheshopownersellingthiskindofpen.

…

Closingdownbytalkingaboutinvention

Invention:abacusinc3000BC

Invention:abacus

Function:Acountingdevice:amechanicaldeviceformakingcalculationsconsistingofaframemountedwithrodsalongwhichbeadsorballsaremoved

Nationality:Chinese

Invention:Coca-Colain1886

Definition:noun/trademark

Function:Popularcarbonatedsoftdrinkcoloredusuallywithcaramelandflavoredusuallywithextractsfromkolanutsandsweeteners

Trademark:U.S.issued1893

Inventor:JohnStithPemberton

Criteria;Firsttoinvent.Entrepreneur.

Birth:July8,1831inRome,Georgia

Death:August16,1888inColumbus,Georgia

Nationality:American

Blackboarddesign

Unit9Whenwasitinvented?

3b:

Theflyingdiskwasinventedbycollegestudentsinthe1950s.theyusedametalpieplatefromabakeryinBridgeport,Connecticut.Studentsarethebakery’spiesthemthrewthepieplates.

Today,thereareflyingdishclubs,magazinesandafestival.

Umbrella:about4,000yearsagoinAssyria,ChinaandEgypt

Binoculars:1854IgnatioPorroinItaly

Camera:1