2018届九年级英语全册Unit6Whenwasitinvented第1课时教案.docx

Unit 6 When was it invented?Section A （1a2d）一、【教材分析】教学目标知识目标1. 会听说读写下列单词：heel, scoop, electricity, style, project, pleasure, zipper, daily, have a point, website, pioneer, list, mention.2. 正确使用以下常用表达：1) be used for, think of, have a point, become popular.2) shoes with special heels, shoes with lights, such a great invention, in our daily lives, at that time.3. 熟练掌握并使用下列重点句式：1）When was the telephone invented? I think it was invented in 1876.2）What are they used for? Theyre used for.能力目标了解一般过去时的被动语态用法，通过听力，了解一些发明的相关历史知识，如发明人，发明时间及发明物的用途等。情感目标通过互相询问发明物、发明人、发明用途，感受发明给人类生活带来的巨大变化。教学重点1询问发明物的发明时间、发明者、发明用途。2理解含有一般过去时的被动语态的表达方式。3就发明这一话题进行对话练习。教学难点1用被动语态询问发明物的时间、发明者和发明用途。2理解含有一般过去时的被动语态的表达方式。教学方法情境教学法；任务型教学法二、【教学流程】环节师生活动二次备课I. 复习热身1、检查生词预习。（1）先通过PPT呈现本课的单词，教师领读，学生跟读，并帮助学生正音。（2）做题巩固。根据句意选择合适的单词。 Could you help me with my English?With _(pleased/ pleasure). My father usually goes through the _(day/daily) newspaper every evening. She often buys new clothes and they are all in _ (style/new). I think so because I saw a _ (information/website) last week. I read a newspaper yesterday and it _ (mentioned/mention) the pollution.答案： pleasure daily style website mentioned2、自由交谈学生观看“外国人眼中的中国古代十大发明”视频片段，谈论以下两个问题。（1）What are the Four Great Inventions in ancient China?（2）Who invented them?Ss: Paper-making was invented by Cai Lun. was invented by .感知体验感知1. 用PPT呈现下列图片和目标语言。 目标语言：A: I think was invented before.B: Well, I think was invented after .A: When was the invented?B: I think it was invented体验1.课堂小游戏。全班分成两组，每组出四个代表。游戏规则：每组的四名同学分别命名为car, phone, computer, television，当一组同学问出When was the car invented? 另外一组叫car的同学要马上说出I think it was invented in 1885，然后游戏继续，由car继续发问。答题过慢，时间说错或句法有问题都算错。感知2用PPT出示一系列问题（见课件），引导学生找出本小节的目标语言和单词词组。目标语言：What are they used for? They are used for.单词词组：heel, scoop, electricity, style, shoes with special heels, shoes with lights，be used for体验2. 小组之间进行对话练习A: How about the shoes with lights, what are they used for?B: They are used for seeing in the dark when you get up at night.感知3. 通过问题提示阅读的方式（见课件），学生找出2d部分的目标语言和单词词组。目标语言：When was the zipper invented? It was invented in 1893. Who was it invented by? It was invented by Whitcomb Judson. 单词词组：project, pleasure, zipper, daily, have a point, website, pioneer, list, mention，such a great invention, in our daily lives, at that time体验3. 小组比赛，看哪个小组能熟练复述本段对话。.强化巩固1. 处理教材1a，1b，1c的内容。(1) Look at the things below. Then number them 14 (1=first, 4=last). 答案: 4 2 1 3(2) Listen and match the inventions with the years. 答案: d a c b(3) Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented. Then charge roles and practice again.When was the telephone invented?I think it was invented in 1876. ThingsDatescomputer1971TV1927car18852.处理教材 2a，2b，2c的内容。(1) Listen and number the inventions 1-3 in the order you hear them.答案: 3 1 2(2) Listen again and complete the chart below.InventionWhat is it/ are they used for?shoes with special heelschange the style of the shoesshoes with lightsseeing in the darkhot ice-cream scoopserving really cold ice-cream(3)Make conversations using the information in 2b.A: What are they used for?B: They are used for3. 语言知识点的归纳整理（1）the style of the shoes鞋的样式(教材第42页)style n.“样式；款式”the style of “的样式/风格”。 The style of the skirt is just in season.这条裙子的款式正当时令。 I wouldnt tell lies to you. Thats not my style. 我不会跟你撒谎，那不是我的风格。【拓展】常用短语 in style 意思为“流行的；时髦的” out of style 意思为“过时的” a life style 意思为“生活方式”（2）Can you help me think of an invention?你能帮我想个发明吗？(教材第42页)help sb. (to) do sth.帮助某人做某事 Will you help me (to) choose myself a new coat? 你能帮我选件新的外套吗？help sb. with sth. I often help my mom with the housework. 我经常帮助妈妈做家务。（3）Think about how often it is used in our daily lives.想想我们日常生活中使用拉链的次数。how often多久，多常 此外，how often经常用来提问某动作或状态发生的频率。daily life日常生活 Hebenefitsbydailyexercises. 每天锻炼对他有好处。 （4）It mentioned that the zipper was invented by Whitcomb Judson in 1893.这个网站提到拉链是在1893年由惠特科姆贾德森发明的。 be invented by由发明mention v. 提到；说到 Can you mention one of the mistakes?你能指出其中一个错误吗? .实践应用1. 分小组进行采访活动，每组选出一名小记者，其余成员是被采访者，询问以下问题，最后汇总写成书面材料。A. When was/were invented?B: It/They was/were invented in. A: What are they used for?B: It is/They are used for2. 书面表达。向老师或同学介绍所了解的几项发明。例如：I want to introduce some inventions. The telephone was invented in 1876, cars were invented in 1885, the TV was invented in around 1927 and computers were invented in 1971. Can you tell us some other interesting inventions? .总结反馈1.结合板书和课件，让学生盘点所学单词词组和目标语言。单词：heel, scoop, electricity, style, project, pleasure, zipper, daily, have a point, website, pioneer, list, mention词组：be used for, think of, have a point, become popular，shoes with special heels, shoes with lights, such a great invention, in our daily lives, at that time 目标语言：When was the telephone invented? I think it was invented in 1876.What are they used for? Theyre used for2. 当堂练习。（1）把下列句子改为被动语态。 They made these computers in Shenzhen. These computers_ _ in Shenzhen. She bought a new bike yesterday. A new bike_ _ by her yesterday.答案： were made； was bought（2）单项选择。 Last weekend, Jack _ to a birthday party and he had a lot of fun. A. invite B. was invited C. invited D. is invited Last month a new law _ in China to stop people from smoking in public places. A. is passed B. passes C. had passed D. was passed答案：B D.作业布置 1. Learn the new words by heart.2. Review the passive voice we have learnt in Unit 5.3. Preview the new words and expressions.三、【板书设计】Unit 6 When was it invente