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2019-2020年九年级英语全册Unit10Whenwasitinvented?TheThirdPeriod教案人教新目标版Ⅰ.TeachingAimsandDemands1.KnowledgeObjects1KeyVocabularybulblightbulbmicrowaveovenmicrowaveovenisland2TargetLanguageWhatisthemicrowaveovenusedforItisusedforcooking.2.AbilityObjectsTrainthestudentswritingandspeakingskillswiththetargetlanguage.3.MoralObjectsIfyouarealoneonatinyislandwhatinventionswouldyouliketohaveontheislandwithyouⅡ.TeachingKeyPoints1.Talkaboutthehelpfulinventionsandannoyinginventions.2.Guidethestudentstodiscusstheiropinionsontheinventions.Ⅲ.TeachingDifficultPoints1.Discusstheopinionsontheinventions.2.Usethetargetlanguagetodescribetheinventions.Ⅳ.TeachingMethods1.Pairwork2.GroupworkⅤ.TeachingAidsSomepicturesofthehelpfulinventionsandannoyinginventions.Ⅵ.TeachingProceduresStepⅠRevision1.Revisethethreeinventionstalkedlastclass.Askaboutthenamesofthethreeinventions.Helpthestudentsanswer:shoeswithadjustableheelsbattery-operatedsneakersheatedicecreamscoopThenaskthetwoquestionsbelowoneachinvention:a.Whowasitinventedbyb.Whatisitusedfor2.RevisethetargetlanguagewiththePassiveVoiceinGrammarFocusbyaskingseveralonestoreadthesentences.3.Checkthehomework.Dictatethewordsbelow:bulblightbulbmicrowaveovenislandStepⅡ3aThisactivityprovidespracticewithlisteningspeakingreadingandwritingusingthetargetlanguage.Callthestudentsattentiontothethreepicturesofthreeinventions.Teachthemtoreadthenamesoftheinventions.Doitlikethis:T:Lookatthefirstpictureplease.Wecanseethenameunderthepicture.Nowreadaftermealarmclock.Ss:Alarmclock.Dothesamewithlightbulbandmicrowaveoven.Thenreadtheinstructionstothestudents.ExplainhelpfulinventionsandannoyinginventionstothestudentslikethisshowingapictureofavacuumcleanerAvacuumcleanerishelpful.Thenshowapictureofatrucktotheclass.Averyloudtruckisannoying.Thenletthestudentslookatthethreepicturesinthetextbook.Askthesequestionsoneachinvention:1.Isthisinventionusefulorannoying2.WhatisitusedforThenaskthewholeclassaskandanswerthetwoquestionsaboveinpairs.Readtheinstructionstothestudentsagain.Pointtothechartinthetextbook.Tellthestudentstofillintheblankswithotherhelpfulandannoyinginventionsontheirown.Givetheclassaboutfiveminutestodothis.Astheyworkmovearoundtheroomprovidingsomenamesofinventionstothemandansweringquestionsasnecessary.Pointoutthesampleanswerintheboxbeforetheystartwriting.Aftertheyhaveallfinishedasksomestudentstoreadtheiranswerstotheclass.Thengetthestudentstoworkwiththeirpartners.Haveeachstudenttalkabouttheirlistwithanotherstudentaskingeachotherquestions.ForexampleWhatisyourfirsthelpfulinventionWhydoyouthinkitishelpfulSampleanswersHelpfulInventionsAnnoyingInventions1.bike1.recorder2.TVset2.guitar3.puter3.tractor4.plane4.loudspeaker5.umbrella5.mobilephoneStepⅢ3bThisactivityprovideslisteningandspeakingpracticeusingthetargetlanguage.Askthestudentstoreadtheinstructionstogether.Ithinkthemosthelpfulinventionistheputerbecauseithaschangedtheworldalot.Thenaskapairofthestudentstomodelthesampledialogue:SA:WhatdoyouthinkisthemosthelpfulinventionSB:Ithinkthemosthelpfulinventionisthelightbulb.SA:WhyisthatSB:Wellitgivespeoplemoretimetoworkandplayeveryday.Correctanypronunciationerrors.Makesuretheyareprovidingagoodmodel.Writetheconversationontheblackboard.Afterthatgettheclasstoworkinpairsandpletethework.PleasediscussyouropinionsinActivity3awithyourpartnernow.Asksomeonestotelltheclassabouttheirpartnersopinionsandreasons.Theymaysaylikethis:ZhangMingthinksthemosthelpfulinventionisthecarbecauseitmakesourtraveleasier.StepⅣPart4Thisactivityprovidesoralpracticeusingthetargetlanguage.Askthestudentstoseethepicturefirst.Andencouragesomestudentstodescribeit.Theymaysaylikethis:Themanisaloneonatinyisland.Heissittingunderatreeandthinking.Whatcanheseearoundtheislandiswater.Thenreadtheinstructionstotheclass.Dosomeexplanationifnecessary.Makesureeachstudentcanunderstandtheinstructionsandknowwhattodo.Telltheclasstodiscussingroupsoffour.Imaginethatyouarealoneonatinyislandandyouhadevergotachancetochoosefiveinventionsyouwouldliketohaveontheislandwithyou.Eachgrouphastotellwhatyouchooseandwhy.RemindthemthattheycanusealltheitemsmentionedinActivities1a1b2aand3a.Andtheycanalsouseanyotheritemstheycanthinkofastheytalktotheirpartners.Tellthemtousethestatementintheboxasthebeginning.Asktwostudentstoreadittotheclass.SA:IdliketohavearadiobecauseIcouldlistentomusicallday.SB:Yesbutthatsnotgoingtohelpyouleavetheisland.Ithinkitwouldbebettertohave…Havethestudentsworkingroupsoffour.Movearoundtheclassroomandhelpingstudentsasnecessary.Askeachgrouptosharetheirstatementswiththeclass.paretheirinventionsanddecidewhichonesarethemosthelpful.Sampleconversation:A:IdliketohavearadiobecauseIcouldlistentomusicallday.B:Yesbutthatsnotgoingtohelpyouleavetheisland.1thinkitwouldbebettertohaveamobilephone.Soyoucancontactanyonewhocansaveyou.C:Idontagreewithyou.Ithinkyoushouldchooseaputer.Itwillhelpyoutoaskforhelpfromallovertheworld.D:…StepⅤSummaryInthisclasswevelearnedmoreabouttheinventions.Andwevedonemuchoralpracticetalkingabouttheinventions.StepⅥHomework1.Rememberthenewwordsonpage
78.2.WritedowntheconversationsinActivity3b.3.WritedowntheconversationinActivity3c.StepⅦBlackboardDesignUnit10WhenwasitinventedSectionATheThirdPeriodTargetlanguage:A:WhatdoyouthinkisthemosthelpfulinventionB:Ithinkthemosthelpfulinventionisthelightbulb.A:WhyisthatB:Wellitgivespeoplemoretimetoworkandplayeveryday.。