（水滴系列）九年级英语全册 Unit 6 When was it invented Section A（1a-2d）教案 （新版）人教新目标版.doc

unit 6 when was it invented!section a (1a2d ) period two 听说课learning goals:一语言知识(常用词汇和短语) 1.能正确使用下列词汇和短语（curriculum words and expressions） stytle,project,pleasure, daily,have a point,website,pioneer,list,mention,2能认读下列单词（non-curriculum words） heel,scoop,electricity, zipper,二、语言功能 1.能简要谈论发明的历史（talk about the history of inventions） when was the telephone invented? i think it was invented in 1876. i think the tv was invented before the car .三、学习策略 1.能根据思维导图记忆有关知识。 2 提供听力的语境及相关信息，注重学生的听力技能的培养。 3.培养学生的口头表达能力，注重学生口语的训练。 4.通过2d对话再现促使学生能通过模仿进行角色扮演，转语言输入为语言输出。四、情感态度 了解有关发明的历史，培养学生的创新意识，激发创造的潜能。【设计意图】目标引领,从知识、能力和情感目标以及学习策略上展示本节课的内容。teaching stepsstep1: preview:please write down the following phrases on page 41-42.1. 被发明 _ 2.有特殊鞋跟的鞋_ 3.有灯的鞋子 _ 4.靠电力驱动_ 5.鞋的样式 _ 6.被使用_ 7.乐意效劳 _ 8.这么伟大的发明_9.在日常生活中_ 10.被广泛使用_ ask the ss to translate the following sentences.1它什么时候被发明的？2. 它是被用来做什么的？3. 它没被广泛地使用。(在预先检测中,呈现出与本节课新授有关的短语，特别是与被动语态有关的知识点，让学生在本环节中抓住重点，针对性较强。)stepii. warming up and leading in t: there are many important and interesting inventions in china. do you know some of them?ss: yes .t: what are they?s1:they are paper,printing,compass,gonpower,telephone and tv. t:what do you think of these inventions?students show the different answers.t: good job.lets come to 1a.（引导学生说出一些发明的名称，为降低难度，图片一幅幅展示,为下文要完成的的各种活动做准备）1 a look at the things below. in what order do you think they were invented? discuss them with your group. then number them 14 (1 = fi rst, 4 = last)b: well, i think the tv was invented afterthe car.student b when the things in the picture in1b were invented. th en change roles andpractice again.a: when was thetelephone invented?b: i think it was inventedin 1876.listen and maa: i think the tv wasinvented before the car. ss: 1telephone; 2car ; 3tv. ; 4computer,【设计意图】大多数孩子对发明有所了解，依据这一特点，老师出示图画先问同学们是否知道这些节日的英文表达，同学们通过观看各种活动竞相说出自己认识的发明，这为学习1a做了很好的铺垫。stepiii. presentationlook at the pictures below, ask and answer :t: which invention do you like best?s1: i like the computer. t: when do you think it was invented? 教师板书目标语言when was it invented ? s1: i think it was invented in .【设计意图】用课本插图呈现上面的内容，引出目标语言when was it invented ? stepiv. listening i while-listening activities1.listening for the general idea of the conversations.听取大意listen and choose the main idea of the conversations.the main idea of the conversations is about_a.inventions b.picturesc.years. d.colorful things 4. listening for the specific ideas听取细节（1）1b listen and match the inventions with the years.tbadbddc answers： a- 1855 b-1971 c-1927 d-1876 1c student b, cover the dates. student a, ask student b when the things in the picture 1b werinvented. th change roles and practi i think it was invented in 1876. when was the telephone invented? 2a listen and number the inventions 13 in the order you hear them. answers：3,1,22b listen again and complete the chart below. inventionwhat is it / are they used for?shoes with special heelsserving really cold icecreamshoes with lightsseeing in the darkhot ice-cream scoopchanging the style of the shoeslisten again and fill in the blanks. the first invention is shoes with1 _. it runs on 2_ and becomes hot. its 3_ for serving really 4_ ice-cream. the last invention is shoes with special 5 _. people can move the heels 6_ and7 _. you can 8_ the heels if you are going to a9_ or 10_ them if you are just going out for 11_. 2c make conversations using the information in 2b.a: what are they used for?b: th eyre used for seeing in the dark.2c make conversations using the information in 2b.theyre used for seeing in the dark. what are the shoes with lights used for? stepvi. 2d-role-playt: boys and girls, do you know anything about the zipper?ss: yes.t: who was it invented by ?s1:sorry,idon,t know.t: next lets read the conversation in 2d.1. read for the main idea of 2d.the main idea of 2d is _a. small inventions that changed the worldb. the invention of computer.2. read for the specific idea of 2d.read 2d and find the answers to the following questions.(1). what kind of invention does ray think of?_(2).who was zippers invented by?_(3) .when did zipper become popular?_3. read and repeat . 4. put the conversation into chinese.5. read the conversation aloud.6.ask ss to practice it for 2 minutes and then ask some pairs to role-play the conversation.7. let ss fill in the blanks in the rewriting passage. pauls school progect is 1._ that 2._the world.roy thinks it is 3._ ,because it is widely 4._in daily life.he 5._about it because he 6._a website last week.the pioneers were 7._there.it 8._ zipper 9._by whitcomb.it 10_popular around 1917. 【设计意图】本部分的内容重在培养学生们口头表达的能力，同时通过复述、回答问题、完成表格、编对话、表演对话等多种训练方式，引导学生更好地内化语言知识。 step viii summary：inquiry into knowledge by translation when was it invented? invent v. 发明 指经过认识和实践创造出前所未有的事物。edison 1 the light bulb. 爱迪生发明了电灯泡。2 和 3 都是名词, 前者意为“发明”, 后者意为“发明家”。discover, invent和find都是 动词, 它们的词义相近, 但是有区别:discover意为4 “ ”, 指发现某种本来存在,但以前未被发现或未为人所知的事物或现象。 the lost bike 5 at the bus stop. 丢了的自行车在公共汽车站那儿找到了。 later i6 that he was so kind. 后来我才发现他那么善良。invent 意为7 “ ”, 指发明以前不存在的东西。do you know who 8 the computer? 你知道谁发明的电脑吗？find 意为9 “ ”, 指偶然发现或几乎没有困难地发现。 i 10 some old photos in that drawer. 我在那个抽屉里发现了一些旧照片。1. edison _ the electric lamp. 2. i lost my necklace last night. i havent _ it. 3. who _america first? the telephone _ in 1876. a. invented b. was invented c. was found d. was discovered【设计意图】“翻译探究”的主要目的是变老师讲解语言知识为学生自学语言知识。学生使用“翻译探究”时可以和答案同时使用，帮助自学、探究、发现和归纳，学生个人学不懂时可以以小组形式互助,若还不会,老师再讲解,这就是先学后教,以学定教。step10. the end-of class test一，根据句意和所给汉语提示, 完成下列单词的正确拼写。 1. thats the most _ (有用的) book. 2. it is said that thomas edison had 1,093_ (发明) during his lifetime. 3. - what is this kind of machine used for? - its used for _ (听) tomusic. 4. if you _ (加热) the ice, it will soon become water.5. children also need time _ (玩耍). 二句型转换1. the personal computer was invented in 1976. (对划线部分提问) _ _ the personal computer _ ? 2. the battery-operated slippers were invented by julie thompson. (对划线部分提问) _ _ the battery-operated slippers _ _ ? homework:1. you have to do read the text after the tape and try to recite 2d.2. you may do write your ideas about your own inventions in the future: 反思：本节课主要是在不断地听和对话训练中让学生掌握有关被动语态的有关知识，学习用what,when引导的特殊疑问句，询问距离及所用时间及其相应的回答。但学生对本课中的三种交通工具的表达方式的用法易混淆，还需要继续进行练习。亮点：1. 本课的导入。通过学唱chant，吸引学生的注意力，轻松热身，并引出本课的的目标语言。2. 本课的角色表演。语言学习的最终目的是为了应用，要多为学生提供真实的语言环境，让学生用英语处理生活中的实际问题。不足：本节课由于内容过多，所以操练部分练习的不够充分answers: preview:phrases 1 was invented 2 shoes with special heels 3 shoes with lights4 runs on electricity 5 the style of the shoes 6 be used 7 my pleasure 8 such a great invention 9 in our daily lives 10 wa