人教版九年级全册Unit 6 When was it invented？SectionB 2a-2e 教案

Unit6Whenwasitinvented?SectionB(1a-1e)TeachingAimsKnowledgeandskillsMasterthekeywords:crispy,salty,sour,customer,bymistakeToknowthehistoryofpotatochipsImprovestudent’slisteningandcommunicativeProcessandMethodsLearnsomeadjectivestodescribethetasteoffoodTotrainstudent’slisteningskillbytalkingaboutthehistoryofpotatochipsEmotionAttitudeandValuesLeadstudentstoknowtheimportanceofinventionsindailylifeTeachingKeypointsandDifficultiesKeypointsMaterthenewwordsandtargetlanguageMatertheuseofpassivevoiceDevelopstudents’listeningandspeakingDifficultiesTrainstudents’listeningandspeakingskillsbytalkingaboutthehistoryoffoodTeachingAidsAtaperecorder,somebagsofpotatochipsandsomeotherobjectsandPPTTeachingProceduresStep1Warm-upA:WhatisthisinEnglish?B:Itisabagofpotatochips.A:Doyouwanttoeatthem?B:Yes.Theteacherinvitessomestudentstotastepotatochips.Thensheaskstheirfeelingsaboutpotatochips.A:Whatdoyouthinkofit?/Howdoyoulikeit?B1:Ittastes_____________./Itis___________.B2:Ittastes_____________./Itis___________.B3:Ittastes_____________./Itis___________.Theteacherwritesdownthenewwordsontheblackboardandteachesstudentsaboutthenewwordsuntiltheycanreadthemfluently.A:Areyouthirsty?B:Yes.A:Wouldyoulikesomethingtodrink?B:Yes.A:Howdoesittaste?B:Ittastes_______________________.Studentspracticethenewwordsonebyoneaccordingtothepicturesinppt.A:Howdoesittaste?B:Ittastes_____________________.A:Howdotheytaste?B:Theytaste________________________.Step2Consalidation1a,1bJustnow,wetalkedaboutfivetastes。Theteacherencouragesstudentstoaddmorefoodtodifferenttastes.Sour：Sweet：BitterHot：Salty：ThentheteacherasksastudenttoshareaChinesearticleabouttastes.人生五味人生有五味，五味最常在。酸甜苦辣咸是舌尖上最直接的体验。为什么觉得生活像五味？因为他们和酸甜苦辣咸一样我们都得品尝透彻，感悟清楚。酸：酸像美丽的人生初恋，还未真正懂得就已经觉得甜或苦了。甜：甜是一种美妙的味道，是一种简单的幸福。苦：苦是人生中最忧愁的部分，也是最能考验人的意志。辣：就是这样神奇，让你不知不觉上了瘾，先是一种刺激，再来一种满足，最后就是依赖了。咸：吃咸是种讲究，多则不行，少则也不行，咸淡平衡才是菜品的最高境界Step3PreviewingthelisteningmaterialT:Ofallthesefood,Ilikepotatochipsbest.Doyouknowwhy?Becausethereisaninterestingstoryaboutthem.Next,let'senioyasitcomthatisaboutthehistoryofpotatochips.Severalstudentsperformedtheirsitcom.Afterperforming,studentscananswerthefollowingtwoquestions.Whoinventedpotatochips?2.Whenwerepotatochipsinvented?Step4ListeningLetstudentslookatthematerialandlistentothetapein1c,1d.Thenchecktheanswers.1.Potatochipswereinventedbymistakes.()2.Theywereinventedin1863.(）3.Thecustomerthoughtthepotatoeswerenotthinenough.()4.Thecustomersaidtheywerenotsaltyenough.()5.Gerogewantedtomakethecustomerhappy.()6.Thecustomerwashappyintheend.()Step5PairworkHavetwostudentsrole-playtheconversationabouttheinventionofpotatochips.A:Didyouknowpotatochipswereinventedbymistake?B:Wow,Ididn'tknowthatwhoinventedthem?A:.....B:......BlackboardDesignUnit6Whenwasitinvented?SectionB(1a-1e)NewWordscrispy,sweet,bitter,salty,sour,hot,ImportantPhrasesbymistake,not......enough,make