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1、Unit 6 When was it invented?第四课时(教学设计)教学目标1 .语言能力：能够在谈论美食发明的情境中正确运用新单词和被动语态的有一 般过去式结构。并利用所学知识复述制作薯片的步骤。2 .文化意识：了解薯片的发明历史，意识到小发明也能创造大大的价值。创新意识。同时养成健康饮食的好习惯。3 .思维品质：通过听力活动练习，能精准提取关键信息，锻炼思维的逻辑性。4 .学习能力：在美食的主题下保持学英语的兴趣；学习听力策略快速完成听 力；通过小组合作，演讲报告达到锻炼英语口语的能力。教学重点 与难点1 .听懂并完成听力任务；能够利用所学知识复述制作薯片的步骤；2 .能正确运用被
2、动语态谈论美食的发明历史教学准备教具准备:ppt,教材，听力材料教学过程老师活动学生活动设计意图Lead-in (3minutes )Show some pictures about food. Let students choose their favorite food.用英语说出自己 最喜欢的食物展示美食土图片，激发学 生学习兴趣。活跃氛围。 引入主题。PresentationPre-liste ning(7minutes)Show the pictures of potato chips and biscuits, lemons and yogurt, chili and hot po
3、t, ice-cream, chocolate and oney, bitter melon and coffee sk how they taste.用表示味道的形容词积极回答问题拓展词汇量，增加学习的 广度。学习新词汇为听力 做铺垫。Practicel.Let students play the words game2.let students finish la and Id And check the answers;通过游戏快速说出 单词的汉语意思； 完成la和1b活跃氛围，巩固所学知识，为听力1C做准备While-li stening stageListen to 1cLet st
4、udents finish Ic.and pay attention to the key words during the listening.完成1c,运用关键 词来判断句子正 误。练习听力，掌握听力策略， 了解薯片发明的细节板书设计（15minutes）Listen to IdLet students finish Id.and pay attention to the key words during the listening.完成Ido进一步理解薯片发明的背景信息Post-list ening stage （15minuRead the conversationLet studen
5、ts read the conversation, and circle the important sentences and phrases and do the careful reading精读听力材料训练阅读能力，对语篇的 内容了解更深入，为接下 来的复述做准备。Make a conversationLet students finish 1 e同伴合作一起完成 薯片发明的背景信 息对话语言输出，巩固新知RetellLet students retell the process of making potato chips.Small inventions changed the w
6、orld by accident.完成薯片制作过程 的报告锻炼信息提取能力，内化 所学知识；情感升华，小发明也有大 作用。SummaryMake a summary of this lesson完成单词游戏环 节，大声朗读薯片 发明的历史对所学习知识进行巩固。HomeworkPresent homework：1. Write down the history of potato chips in your exercise book. （B 层）2. Find out some information about an invention you are interested in, and write a passage to introduce it. （A 层）课后完成课后作业作业分A,B两层布置，因 材施，学以致用Unit 6 When was it invented?Section B(la-le)salty;sour;crispy;spicy;bitterWho invented potato chips? When were they invented?How were they invented by mistake?