实用机电英语（第二版） Unit6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Unit6DoyouknowhowtoreplaceaGFCI?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六单元《Unit6DoyouknowhowtoreplaceaGFCI?》的总任务是更换漏电保护器。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，旨在让学生了解并掌握安装家用电路原件、电器等工作过程中所使用部件的名称，安装时所需要的动词表达，掌握安装的流程和注意事项的英文表达。教学目标知识目标1.Identifywordsandexpressionsrelatedtoelectricalcomponentsandinstallappliance:GFCI,electricalservicepanel,breaker,solarpanel,tester,receptacle,place,repair,remove,cutoff,test,etc.2.Understandthesentencesrelatedtoinstallorreplacesomeappliance:Youcanremovethecoverplatefromtheelectricalservicepanel.Youcanusethecircuitbreakertocutoffthepower.Testthereceptaclewithacircuittester.Itisbettertoputthepolarpanelonthetop…Pressdownonthisleverandthewindowwillclose.能力目标Recognizeandspeakoutthewordsofelectricalcomponentsandinstallappliance:GFCI,electricalservicepanel,breaker,solarpanel,tester,receptacle,place,repair,remove,cutoff,test,etc.2. Talkwithpartnerabouttroubleshootingthetechnicalproblemsbyusingthekeysentences.TheAirconditionerisn’tworking.Thereissomethingwrongwith……Whatdoyouthinkofplacingthepolarpanelonthetopoftheroof?Itisbettertoputthepolarpanelonthetop…Youcanusethecircuitbreakertocutoffthepower.Youcanremovethecoverplatefromtheelectricalservicepanel.素养目标Studentswillbeabletotroubleshootthetechnicalproblemsaccordingtotherequirementfromcustomers.教学重点Speakoutorexpressthesentencesrelatedtoinstallorreplacesomeappliance.教学难点Talkwithpartnerabouttroubleshootingthetechnicalproblems.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’)1.GuessingGameTheteachershowsapicturecoveredbyseveralpiecesblocksandaskstudentstoguesswhatitisaccordingtohintsfromteacher.Theteacherremovesonepieceofcoverandgivesthesecondhint.Itisanelectricaldevice.Itcomestopreventingelectricalfires.Ithelpstokeepyourfamilymembersespeciallykidssafe.【设计意图】激发学生兴趣，导入新课，引出漏电保护器的主题。2.Theteacherplaysavideoforthestudents:AnewelectricianofaplazashowsthereissomethingwrongwiththeGFCIanditdoesn’twork,buthedoesn’tknowhowtoreplaceone.Heneedsyourhelp.【设计意图】布置任务，明确本课学习目标。Step2Analyzethetask(20’)1.Theteacherraisesaquestion:Howcanwehelpthenewelectrician?Guidestudentstodiscussingroupandcombthroughinformationwithamindmap.Summarizestudents’ideas:gettoknowelectricalcomponents.gettoknowstepsofreplacesomeappliance.③trytodescribehowtoreplacetheGFCI.【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。2.Attackvocabulary:Askstudentstomatchpicturestosomeelectricalcomponents:AGFCI,anelectricalservicepanel,acircuitbreaker,areceptacle,asolarpanel,acircuittesterAskstudentstoreadaloudthesewordsandplayWordBombgame.【设计意图】消化本课生词，通过游戏掌握学生朗读和认识单词的情况。Askstudentstodescribewhatwecandobyusingtheseelectricalcomponents.A:Whatcanyoudowithacircuitbreaker?B:Icanusethecircuitbreakertocutoffthepower.A:WhatdoesGFCIstandfor?B:GFCIstandsfor“GroundFaultCircuitInterrupter”.GuidestudentstousethewordswelearntinActivity1..Tapea“Don’tTouch”notetoreceptacle.②.Youshouldremovethecoverplatefromtheelectricalpanel.③.Testthereceptaclewithacircuittester.④.Iwanttoinstallasolarpanelontheroof.【设计意图】进一步巩固生词，在句子中消化新词。3.Attackkeysentencestructures:Firstlistening:askstudentstolistentothedialogueandunderlinethesentencesaboutplacingappliance.Whatdoyouthinkofplacingthepolarpanelinthemiddleoftheroof?It’sbettertoputitonthetoprightoftheroof.【设计意图】通过核对答案，了解学生是否能理解这些描述安装电器的句子。Secondlistening:askstudentstolistentothedialogueandunderlinesentencesaboutdescribingtechnicalproblemandrepairingapplianceWhat’swrongwiththeair-conditioner?It’snotworking.Ipressedallthebuttons;itdoesn’tseemtobeworking.ItisshortofFreon.Iwilladdsometoit.Thewindowcannotclose.Pressdownonthisleverandthewindowwillclose.【设计意图】通过核对答案，了解学生是否了解这些关于描述电器故障和如何维修的句子。4.ReadaloudthedialogueAskstudentstoreadaloudthedialogue.【设计意图】通过大声朗读对话，帮助学生巩固生词和描述电器问题、安装和维修电器的句子。Step3Carryoutthetask（30'）1.Askstudentstosummarizesentencesaboutdescribingtechnicalproblem,placingandrepairingappliance.…isn’tworking.…doesn’twork.Thereissomethingwrongwith…Whatdoyouthinkof…?Howabout/whatabout…?Inmyopinion,we’dbetter…【设计意图】通过提炼和拓展描述电器问题、安装和维修电器的句子，使学生掌握描述维修过程中的问题和解决方案的表达。2.Askstudentstotrytotroubleshootthetechnicalproblemwiththepartneraccordingtothepicturesandgivenwords.Scenario1:ThetoiletisblockedScenario2:Thereisnohotwater.Thereissomethingwrongwiththeheater.Scenario3:Theservicepanelisnotworking.Possibleanswers:Unblockingatoiletwithhotwater,plunger,orplumbingsnakeTochecktheelectricity,waterpipe,gasetc.Tocheckthepowersupply,checktheline,checkiftheelectricityissafe,orcheckwhethertheGFCIworks.【设计意图】通过描述马桶、暖气和配电箱的问题和解决方案，巩固词汇和目标句型，为描述如何更换漏电保护器做句型的准备。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设备问题1.语音语调准确流畅102.清晰询问设备的状态203.清晰的描述设备存在的问题20提出解决方案1.语音语调准确流畅102.能给出正确的维修解决方案20交流礼仪着装合规，讲文明懂礼貌20合计Step5Extensiontask(5’)Improvetheirsolutionontechnicalproblemafterclass.MakevideosanduploadtoWechat.【设计意图】通过拓展任务改进设备维修的对话，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Unit6DoyouknowhowtoreplaceaGFCI?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六单元《DoyouknowhowtoreplaceaGFCI?》的总任务是更换漏电保护器。单元共计4课时，其中听说课2课时，读写课2课时。本课是第六单元的第二次课，内容包括：readingandwriting部分的activity5-11，旨在通过不同形式的活动让学生了解描述更换漏电保护器的步骤和安装漏电保护器的接线方式的表达。教学目标知识目标1.GettoknowthekeywordsrelatedtoreplaceaGFCI,includingpartsofcircuitandverbsusedindescription:outlets,power,wire,plate,turnoff,remove,connect,reinstall,test,upgradeetc.2.GettoknowthesentencestructureofhowtoreplaceaGFCI:Turnoffpoweratservicepanel.Removeoldoutlet.ConnectwirestoanewGFIreceptacle.ReinstalltheGFIandcoverplate.Turnpowerbackontoservicepanel.TesttheGFIreceptacle.能力目标TobeabletorecognizeandretellthestatementsofreplacingaGFCIsteps.2.TobeabletorecognizetheprocessofwiresconnectioninreplacingtheGFI.素养目标Studentswillbeabletofollowtheinstallationandoperationspecificationswhenreplacinganappliance.教学重点SentencestructureofhowtoreplaceaGFCI教学难点RetellthestatementsofreplacingaGFCIsteps.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’)Showthestudentsavideoorapictureaboutsituation.Situation:TwoelectriciansaretalkingaboutreplacingGFCIatcorridorinadepartmentstore.ThenewelectricianmetsomeproblemontheGFCI,andtheskilledelectricianhelpandshowhimhowtoreplacetheGFCI.Askstudentstothinkandanswerthequestion:HowcanwedescribethestepsaboutreplacingGFCI.【设计意图】激发学生兴趣，导入新课，引出更换漏电保护器的话题。2.Assignthetask:WritedownaninstructionandrecordavideoaboutreplacingGFCIfornewelectricians.【设计意图】布置任务，明确本课学习目标。Step2Analyzethetask(20’)Theteacherraisesaquestion:whatshouldwedoandwhatcomponentdoweusewhenreplacingGFCI?Guidestudentstothinkabouthowtofinishthetaskbydrawingamindmap.Summarizestudents’ideas:Component:outlets,GFCI,GFI,wire,screwdriver…Verbsofsteps:turnoff,connect,press,insert…【设计意图】激活学生旧知，培养学生思考解决问题的能力，引出更换漏电保护器的话题的学习。3.AttackthekeyfactorsinreplacingaGFCI.ShowseveralpicturesandstatementsofreplacingaGFCI.Askstudentstomatchthepicturestotheexpressions.Component:outlet,newGFCI,power,wires,GFCIreceptacle,coverplate,servicepanel.AskstudenttounderlinetheverbsaboutreplacingGFCI.Verbs:upgrade,turnoff,connect,remove,test【设计意图】了解更换漏电保护器时需要的部件的英文表达和描述步骤的动词，通过动宾短语的学习，帮助学生描述操作步骤。4.LearnthepassageaboutreplaceaGFCIsteps.AskStudentstoreadthepassage.StudentswilllearnthefunctionofGFCIandthestepsofreplacingaGFCI.Guidestudentstofocusonthestructureofinstruction.Title:Upgradea2prongOutletwithaNewGFCiIntroduction:…isfor…whichisa….thatcanstop…Thefollowingarethestepsto…Steps:Step1Turnoff…Step2Remove…Step3Connect…Step4Reinstall…Step5Turnpowerback…Step6Test…【设计意图】通过阅读，掌握简单的安装说明的结构，标题、简介和步骤。5.PracticeretellingthestepsofreplacingaGFCI.Guidestudentstoretellstepsinsequencebyusing:firstofall,secondly,andthen,next,afterthat,finally.Firstofall,______________________atservicepanel.Secondly,remove_____________________________.Andthen,________________wirestoanew________________.Next,reinstallthe________________and___________________.Afterthat,turn_____________backonto_________________.Finally,testthe______________________________________.【设计意图】通过练习帮助学生将书面步骤转化成口头表达，巩固6.LearnthepassageaboutconnectingwirestoaGFCIreceptacle.AskstudentstoreadthepassageaboutconnectingwirestoaGFCIreceptacle,anddotheTorFquestion.Studentscandiscussandtrytofocusontheamountofterminals,colorofthewire,andfocusontheverbstheycanuse.AskstudentstoputthecorrectwordsintheblanksinpassageaboutconnectingthewirestoGFCIreceptacle.Askstudentstodrawapictureaboutthestepsofconnectingwiresaccordingtothepassage.Summarizestudentsanswer:backoftheGFIreceptacle,fourterminalsTwofor“Line”andtwofor“Load”Connectblackwire