实用机电英语（第二版） Unit7教案

《实用机电英语（第二版）》教案1-2课程名称实用机电英语授课专业机电专业授课班级课题名称Unit7Areyouskilledatwiring?授课课型听说授课教师授课学时2授课地点授课日期教学内容分析第七单元《Unit7Areyouskilledatwiring?》的总任务是作为电工能看懂电路图。单元共计4课时，其中听说课2课时，读写课2课时。本课是第一单元的听说课，内容包括：lead-in，Listening&Speaking,Roleplay，覆盖了教材中的Activity1-4，旨在让学生了解和掌握国际电工委员会标准下的电线绝缘层的颜色标准、电路图中电器元件的名称、以及简单电路图的描述和表达。教学目标知识目标Identifywordsandexpressionsrelatedtoelectricalcomponents:circuitsymbol,voltmeter,ACsource,DCpower,bulb,ammeter,protectiveearth,etc.2.Understandthesentencesrelatedtodescribingawiringdiagram:Iamgoingtoinstallalightforthemeetingroom.Whatdoesthissymbolmean?Isupposeitmeans“anACSource”.WhatcolorisitfortheprotectiveearthaccordingtoIECcolorcodes?ThelabelisPE.能力目标RecognizethecoloroftheconductorsaboutIECwiringcodes.Tobeabletotalkinganddescribingawiringdiagram,especiallytalkingaboutsomelabels.素养目标Studentswillbeabletoexpresssomethingexactlywiththespiritofstrivingforexcellence.Studentgetfamiliarwithandfollowtheindustrystandards.教学重点Thesentencesrelatedtodescribingawiringdiagram.教学难点Talkanddescribingawiringdiagram,especiallytalkingaboutsomelabels.教学方法Task-basedlanguageteachingmethod教学手段Multimedia,textbook,教学环境○文本素材●实物展示●PPT幻灯片●音频素材●视频素材○动画素材●图形/图像素材●网络资源○其他教学设计Step1Assignthetask(10’)Lead-inTheteachershowsavideoaboutaneatelectricalwiringinabighousefromaGermanyelectrician,andasktwoquestions:Whatisthevideoabout?Whatdoyouthinkofthiswiring?Theteacherintroducesunittopic:“Areyouskilledatwiring?”【设计意图】激发学生兴趣，导入新课，引出电路图和布线的主题。Theteachershowsapictureoftwoelectricianworkinginadistributionroomandsetthetask:Youareaninternworkinginthedistributionroom.Themanagerofmaintenancedepartmentaskedyoutocheckthecircuit.Youneedtofinishthetaskwithyoupartner.【设计意图】布置任务，明确本课学习目标。Step2Analyzethetask(20’)Theteacherraisesaquestion:Howcanyoufinishthetask?Whatpreparationdoyouneedtomakebeforefinishingthetask?Guidestudentstodiscussingroupandcombthroughinformationwithamindmap.Summarizestudents’ideas:ReadthewiringdiagramUnderstandthecomponentsinthediagramCheckthewiringstepbystepaccordingtothediagram.【设计意图】激活学生旧知，培养学生思考解决问题的能力，引出词汇和句型学习。Attackvocabulary:Askstudentstorecognizethecoloroftheconductorsandgettoknowthemeaningofdifferentcolors.Showsomepicturesofcomponentsinthewiringdiagramandaskstudentstodomatchexercise:acircuitsymbol,awiringdiagram,alabel,alightbulb,anammeter,protectiveearth,neutral,line,livewire…Askstudentstoexpress:PictureAisa…that/for…(PictureBisalabelfortheprotectiveground.)【设计意图】消化本课生词，通过词汇配对游戏了解学生朗读和认识单词的情况，并将词汇运用到句子中。3.Attackkeysentencestructures:Firstlistening:askstudentstolistentothedialogueandgettoknowtheroughidea.Askstudentstoanswerthequestions:Wheredoesthedialoguetakeplace?Whataretheytalkingabout?Possibleanswer:Inadistributionroom.Theyaretalkingaboutsymbolsinthewiringdiagram.【设计意图】通过听对话，获取对话的主要信息。Secondlistening:askstudentstolistentothedialogueagainandanswersomequestionsaboutdetails:WhatdoesLiuMinggoingtodo?Whatsymbolsarementionedinthedialogue?Whatcolorisforprotectiveearth?Possibleanswer:Heisgoingtoinstallalightforthemeetingroom.Avoltmeter,anACSource,aDCPowerSupply.Itisgreen-yellow.【设计意图】通过听对话，获取对话的细节信息。Thirdlistening:askstudentstoreaddialoguefollowingtherecord.Theteacherexplainssomekeysentences:I’mreadingawiringdiagram.I’mgoingtoinstallalightforthemeetingroom.Whatdoesthissymbolmean?Itmeans“avoltmeter”Doesitmean“aDCPowerSupply”?Whatisthelabel?【设计意图】通过听对话，跟读练习，学生掌握重点词汇的读音和重点句型的含义。4.ReadaloudthedialogueAskstudentstoreadaloudthedialogue.【设计意图】通过大声朗读对话，帮助学生巩固电路图中的电器元件的词汇和描述电路图标志的句型。Step3Carryoutthetask（30'）Askstudentstosummarizesentencesaboutdescribeawiringdiagram.Whatdoesthissymbolmean?/Doesitmean…?/Whatisthelabel?Itmeans…/Itstandsfor…/Isuppose…【设计意图】通过提炼和拓展描述电路图的句子，使学生能够在阅读到电器元件时询问或者掌握其表达。Helpstudentsgettoknowmoresymbolsinawiringdiagram.alightbulb,anammeter,protectiveearth,neutral,line,singlephaseetc.Askstudentstotrytodescribeawiringdiagramwithpartneraccordingtothegivendiagram,givenwordsandgivenstructures.Situation:Youareaninternworkinginthedistributionroom.Themanagerofmaintenancedepartmentaskedyoutocheckthecircuit.Youarediscussingawiringdiagramwithyourpartner,especiallythenameofelectricalcomponents,colorsofwiresandfunctions.【设计意图】通过角色扮演，谈论电路图中元器件的名称、线路颜色和他们的功能，巩固重点词汇和句型，为描述电路图做准备。Step4Presentandevaluate(25’)1.Showtheevaluationformtothestudents.【设计意图】学生明确评价目标，能以目标为导向做展示准备。2.Askstudentstogivepresentationsingroups.Studentscarryoutself-evaluationsandalsomakeevaluationsforothers.【设计意图】学生通过展示获取设备维修的经验和表达，通过自评和他评审视不足，通过反思取得进步。评价项目评价内容权重得分询问电路问题1.语音语调准确流畅102.清晰询问电路的标志和功能203.清晰的描述部件20提出解决方案1.语音语调准确流畅102.能给出正确部件名称和功能20交流礼仪着装合规，讲文明懂礼貌20合计Step5Extensiontask(5’)Improvetheirexpressionanddialogueafterclass.MakevideosanduploadtoWechat.【设计意图】通过拓展任务改进谈论电路元件和电线对话，进一步夯实本课所学。评价量表○行为表现○课堂作业○测验测试●制作作品○其他《实用机电英语（第二版）》教案1-2课程名称实用机电英语授课专业机电专业授课班级课题名称Unit7Areyouskilledatwiring?授课课型读写授课教师授课学时2授课地点授课日期教学内容分析第七单元《Unit7Areyouskilledatwiring?》的总任务是作为电工能看懂电路图的英文介绍，并能介绍简单的电路图。单元共计4课时，其中听说课2课时，读写课2课时。本课是第七单元的读写课，内容包括：电线颜色和含义的识别（阅读准备部分1）、电路图电器元件的表达（阅读准备部分2）、电路图描述的文章（reading部分）、练习部分。旨在通过对电路图组成部分的学习，让学生读懂电路图的介绍。教学目标知识目标GettoknowthekeywordsrelatedtoWiringColorCodes,componentsinawiringdiagram:protectiveearth,neutral,line,thepowersource,load,conductors,switch,fuseetc.2.Gettoknowthesentencestructureofintroducingacompoundcircuitdiagram:Wiringsystemscanbeconnectedupas“parallel”or“series”circuits,orcombinationsofeach.Theheaterandswitchareconnected“inseries”.Thisisaseriesparallelcombination,orcompoundcircuit.能力目标1.Tobeabletounderstandthepassageaboutcompoundcircuitdiagram2.Tobeabletodescribeacompoundcircuitaccordingtoawiringdiagram.素养目标Studentswillbeabletoworkconscientiouslyandseriously.教学重点keywordsandsentencestructurerelatedtoWiringColorCodes,componentsinawiringdiagram教学难点understandthepassageaboutcompoundcircuitdiagramanddescribeacompoundcircuit教学方法Task-basedlanguageteachingmethod教学手段Multimedia,textbook,教学环境○文本素材●实物展示●PPT幻灯片●音频素材●视频素材○动画素材●图形/图像素材●网络资源○其他教学设计Step1Assignthetask(5’)Showthestudentsawiringdiagramandintroducethesituation:Situation:Youareaninternworkinginthedistributionroom.Youarecheckingthecircuitaccordingtoawiringdiagramwithyourpartner.Youneedtodescribethecompoundcircuitdiagram,includingcomponents,wiresandconnection.Askstudentstothinkandanswerthequestion:Howcanwedescribethecompoundcircuitdiagram?Howmanystepscanweuse?【设计意图】激发学生兴趣，导入新课，引出描述电路图的话题。2.Assignthetask:Describeacompoundcircuitdiagram.【设计意图】布置任务，明确本课学习目标。Step2Analyzethetask(20’)Theteacherraisesaquestion:Whatisacircuitdiagrammadeupof?HowdoesaWiringsystemconnect?Guidestudentstothinkabouthowtofinishthetaskbydrawingamindmap.Summarizestudents’ideas:ComponentsofCircuitDiagram,suchasbattery/power,load,conductor,switch,wirejoint,ElectricBulb,Resistor,Voltmeter并联电路和串联电路（“parallel”or“series”）【设计意图】激活学生旧知，培养学生思考解决问题的能力，将描述电路图分解成电路元件、电线规格、连接方式等部分。Step3Carryoutthetask（30'）1.AttacktheWiringColorCodes.ShowaformofIECwiringcolorcodesforACbranchcircuitsandaskstudentstogettoknowthefunction,label,andIECcolor.FunctionLabelIECColorprotectiveearthPEgreen-yellowneutralNblueline,singlephaseLbrownline,1-phaseL1brownline,2-phaseL2blackline,3-phaseL3greyAskstudentsseveralquestionsabouteWiringColorCodes:WhatdoesPEstandfor?Whatcolorisusedforthe“protectiveearth”wire?Whatcolorisusedfortheneutralline?Whatcolorisusedforasinglephaselinewire?Whatcolorisusedfora2-phase(L2)linewire?Whatcolorisusedfora3-phase(L3)linewire?AskstudenttodrawapicturetohelpthemselvesrememberWiringColorCodes.【设计意图】了解阅读电路图的第一个步骤：掌握电线颜色和对应的名称和功能。为进一步读懂电路图奠定基础。2.Learnthepassageofasimplecircuit.AskStudentstoreadthecircuitandthepassageofdescription.Studentswilllearnthenameofcomponentsinthecircuit.Guidestudentstofocusonthecomponents.Thepowersource,load,andconductorsOthercomponents:battery/power,load,conductor,switch,wirejoint,ElectricBulb,Resistor,Voltmeter【设计意图】通过阅读，掌握电路原件的标识和英文表达，为下面完成电路图的介绍阅读打下基础。3.Readingcomprehension:Firstread:Askstudentstoreadthepassageandcolorthewiresinthediagram.Colors:red,black,white,supplylineSecondread:Askstudentstoreadthepassageaboutacompoundcircuitdiagram,findoutandunderlinethecircuitcomponentsinthepassage.Matchthewordswiththelabels.Words:heater,switch,fanmotor,sourceThirdread:Askstudentstoreadthepassageandanswersomequestions:Question:Whataretypesofconnectioninacircuit?Whichcomponentsareconnectedinseries?Whichcomponentsareconnectedinparallel?Whatcomponentsdoestheswitchcontrol?Possibleanswer:Wiringsystemscanbeconnectedupas“parallel”or“series“circuitsTheheaterandswitchareconnected“inseries”.Thefanmotorisconnected“inparallel”withothercomponents.Theswitchcontrolsonlytheheatingelement,notthefan.Fourthre