新目标英语九年级UNIT 9 WHEN WAS IT INVENTED教案(单元教案)

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1、Unit9 When was it invented? 教学内容、目标与要求 题目When was it invented？题材内容本单元要是围绕着“Inventions”这个话题，通过熟悉我们周围经常使用发明物的历史来开阔眼界，丰富自己的阅历，使自己养成勤于思考，善于总结的好习惯；学习并掌握被动语态的有关知识：学习Mind-mapping 的阅读策略。语言知识目标功能用被动语态谈论发明的历史语法被动语态词汇invent, mistake, ancient, produce, pleasant, pie, throw, century, notice, including, knock, ba

2、sket, metal, below, towards, develop, risenbe used for, by mistake, in the end, by accident, according to, fall into, in this way, knock into语言技能目标听能听懂、理解运用被动语态表达的问题和句子。说能用被动语态谈论发明的历史读能读懂用被动语态表达的介绍发明相关的文章。写能用被动语态表达发明的历史。知识与技能1、掌握一般过去的被动语态。2、学会谈论发明的历史，会使用以下基本句子：When was the car invented? It was inver

3、ted in 1885Who were they invented by? They were inverted byWhat are they used for? They are used for seeing in the dark学习策略自学策略调动已有知识，根据情景推测所表达的意思。能用“总结”的方法，理解文章中的重要观点。合作学习策略能参与有关发明问题的讨论，表达自己的观点，听取别人的看法；能关心周围的同学和他人，主动提供帮助。重点难点1.一般过去时的被动语态结构和用法。2.一些发明的使用以及对它们的描述。情感态度1、通过本单元学习使学生懂得人类的科学发明创造了丰富的物质文明。2、

4、培养学生的创造发明的能力和愿望。任务Learn to use imagination to invent things to deal with problems and do role plays。 教学内容分析 本单元以Inventions为话题，共设计了四个部分的内容：Section A 该部分有4个模块：第一模块围绕When and in what order were they invented? 这一话题展开讨论（1a）、听力（1b）、口语（1c）训练；第二模块围绕3个inventions 进行听力（2a-2b）、口语（2c）训练；第三模块继续围绕inventions这一话题展开训

5、练，要求列出两类不同的发明（3a）并以pair work形式对此展开讨论和对话训练（3b）；第四模块设置情景alone on a tiny island，以小组活动形式讨论在该情景下什么inventions重要及原因。这部分主要训练口语、学生处理问题的思维能力和想象力。Section B该部分有4个模块：第一模块是词汇的学习（1a）与运用（1b）；第二模块围绕the history of chips继续进行听力（2a-2b）、口语（2c）训练；第三模块围绕Who invented tea？这一话题展开阅读理解（3a），并要求学生能够以“From pie plate to flying disk

6、”为题目进行应用写作训练（3b）；第四模块以inventions这一话题训练学生的创造力、解决问题的能力和想象力(4a)， 并且以小组讨论和角色扮演（4b）的形式展开口语训练。Self check该部分有2个模块：第一模块对所学词汇进行填空训练(1)；第二模块要求就不同的inventions搜集信息并进行写作训练(2)。Reading该部分共设置了5项任务：第一项任务以问题讨论的方式激活学生相关背景知识(Section 1)；第二项任务要求学生通过快速阅读获取信息(Section 2)；第三项任务利用填图、回答问题等练习形式进一步加深学生对阅读内容的理解(Section 3)；第四项任务要求学

7、生对“play on Chinas national basketball team one day”问题发表观点、进行口语训练(Section 4)；第五项任务要求学生对某一项发明进行调查研究。 教学过程设计 采用Role playing和Discussion 的学习策略。充分利用多媒体等教学设备，设计与本课话题相关的情景，如不同种类的发明，人物，实物等等。围绕着本单元的教学目标，设计一些贴近学生实际的教学任务，让学生谈论身边的发明如电话、电脑、汽车、茶叶、篮球以及一些当代发明的看法；让学生根据所学知识，自己进行创新设计等等。课时计划：建议本单元用五课时来完成：第一课时：Section A:

8、1a,1b,1c,2a,2b,2c第二课时：Section A:3a,3b,4第三课时：Section B:1a,1b,2a,2b,2c,3a第四课时：Section B:3b,4a,4b and Self check第五课时：Reading第一课时：Section A (1)一、 教材分析1、 教材简析 此课为本单元的第一节课，主要谈论东西的发明时间、发明者和东西的用途，它围绕着以下 三个话题展开： When was it invented? Who was it invented by? What was it used for?2、 教学目标 知识目标： When was it inve

9、nted? It was invented in. Who was it invented by? It was invented by. What was it used for? It is used for doing sth. 能力目标：发展学生的听及识记能力，培养学生综合语言运用 能力。 情感、态度和价值观：让学生对身边所发明的事物有所认识和了解，激发学生对创造发明的兴趣。3、 重点和难点 重点句子：When was it invented? It was invented in. Who was it invented by? It was invented by.What was

10、 it used for? It is used for doing sth. 难点：被动语态的构成和用法4、 教学辅助工具：录音机，图片二、 学情分析 学生在学习第三单元时对被动语态已经有了初步的认识，并能运用该语态来表达一些简单的句子，为本单元的学习打下了一个较好的基础。三、 教学方法 本课采用任务型教学法，用When was it invented?这个问句，引出谈论有关发明情况的话题。 采用提问、启发和归纳的教法，让学生易于接受教材内容，培养学生的语言运用能力。四、 教学过程设计环节 教学过程学生活动教学意义Step 1Warm-upStep 2Presentation Step 3p

11、racticeStep4 Sum upStep 5Homework. Section A1. A contest: Guess who is he (she)?Teacher tells a story of a person and asks students to guess who he/she is.He was from America.He was one of the greatest inventors in the world.He was clever but he was in School for only 3 months.His mother taught him

12、to read and write.He built his own chemical lab when he was a boy.His first invention was the automatic telegraph repeater(电报自动转发器) . He has many inventions in his life and some inventions have changed the world.2. Talking about: The four greatest inventions in China.Teacher show some pictures of th

13、e four greatest inventions in China and talk about them with students. 1. Learn some new words and expressions.2. Group work: Section A 1a. Ask students number the inventions according the order they were invented.3. Grammar: The passive voice.(1)The uses of the passive voice.(2)The structure of the

14、 passive voice.(3)How to change into the passive voice.1.Listening practice1b. Listen and match the inventions with the dates.2. Pair work1c. Talk about the inventions in 1b like this:A: When was the telephone invented?B: I think it was invented in 1876.2. Listening practice2a. Listen and number the

15、 inventions in the order. Languages points:“be used for”Eg: Telephone is used for talking with people.2b. Listen and match the inventions with their inventor and uses.2c: pair work:Role play conversations using the information in 2b.1. Look through the grammar focus.2. Go over the whole lessons.1. C

16、opy new words and listening materials.2. Write a passage to introduce an invention.3. Make up dialogues.Guess and find the answer.Look and talk about the four greatest inventions in China.Group work.Listen and finish the task.Read and remember.Researchand write通过竞赛活动活跃课堂气氛；并为下面的教学活动做铺垫。激发学习兴趣，培养民族自豪

17、感。了解被动语态的用法。训练听力，提高听力水平，掌握语言目标。运用所学，巩固语言目标，开拓学生思维,养学生综合运用语言的能力。环节 教学过程学生活动教学意义Step 1Warm-upStep 2practiceStep 3Consolidation and ExtensionStep4 ExercisesStep 5Sum upStep 6Homework Period 21. Greetings.2. revision:Show some pictures of inventions and talk about them.A: What is it in English?B: ItsA:

18、When was it invented?B: It was inventedA: What is it used for?B: It is used for1. Learn new words:useful, annoyingAsk students to give some examples to show what each word means. For example, A vacuum cleaner is helpful. A very loud truck is annoying.2. Pair work3a.Make a list of five helpful invent

19、ions and five annoying inventions. Then teacher can ask students to tell the reasons.T: Is the light bulb useful or annoying? S1:I think its useful.T: Why is it ?S1: Well, it gives people more time to work and play every day.3b. Discuss the opinions about some inventions with the partner like this:

20、A: What do you think is the most helpful invention?B: I think the most helpful invention is the light bulb.A: Why is that?B: Well, it gives people more time to work and play every day.Group work4Imagine that you are alone on a tiny island. Choose five inventions you would like to have on the island

21、with you. Tell the group what you chose and why.Maybe you can use the following drills.Id like to have a because I couldIts used forI think the most helpful invention is But thats not going help you leave the island. I think it would be better to leaveFill in the blanks with the words given:1.The wo

22、rk _(finish)tomorrow morning.2.The books must_(give)back on time.3.I think the telephone _ (invent) in 1876.4.Tea may _(invent) by accident.5.The ruler _(use )since I began my school life.6.The bikes are used for_(ride)on.Go over the whole lessons.1、句型转换。（1）She was seen to come out of the library by

23、 him.(变为主动语态)He out of the library.（2）When are trees often planted?(变为主动主态)When people often ?（3）The League founded in Guang zhou in 1992.(就画线部分提问) the League ?（4）Did the students wear the school clothes a lot?(变为被动语态)the school clothes a lot?（5）Kate took good care of the baby yesterday evening.(变为被

24、动语态)The baby well by Kate yesterday evening.（6）His aunt bought him a bicycle.(变为被动语态)A bicycle him by his aunt.2、汉译英。（1）计算机是何时发明的？ （2）谁发明了计算机？ （3）计算机是用来做什么？ （4）你认为什么是最有用的发明？ （5）它能够给人们更多时间工作和玩。 Watch and talk.Watch and learnSpeaking practicePair workDiscuss with the partner.Research and speak.Finish

25、the exercise.Finish the work after school.展示图画，刺激学生视觉感官，激发学生学习积极性,复习所学语言知识训练听说；同时进一步让学生表达自己对创造和发明事物的认识和看法。让学生运用所学，复习旧知识，巩固新语言目标，开拓学生的思维，培养学生在解决实际问题的能力。巩固语言知识，培养运用能力。检查学生掌握知识的程度，提高应用能力。巩固所学知识点，提高语言运用能力。环节 教学过程学生活动教学意义Step 1Warm upStep 2PresentationStep 3practiceStep 4Practice Step 5Sum upStep 6Homewo

26、rk Period 31. Greetings.2. Free talk:Ask the students to practices talking to each other about some inventions.A: What do you think is the most helpful invention?B:I think the most helpful invention isA: Why do you think so?B: Well, it gives me1.Show some pictures of food and drink. Ask students wha

27、t they are.Then ask the students to describe how food tastes. Learn some new words: sweet, crispy, salty, sour, delicious, hot, awful, nice2. Finish the task:1a and 1b1. Listening brainstorm: (1)Let students describe how potato chips taste and describe how helpful the potato chips.(2)Ask: When and w

28、here were potato chips invented?Who were potato chips invented by?How were potato chips invented?(Let students guess according to the following key word.)Key words: by accident, customer, restaurant, by mistake.2. Listening practice2a. Listen and circle “T” or “F”.2b. Complete the sentences.Language

29、s points: in the end by mistake by accident according to3. Pair workFinish the task of 2cA: Do you know that potato chips were invented by mistake?B: I dont know.A: They were invented by a chef called George Crum.B: When was that? A: It was invented back in 1853.B: Was it an accident?A: A customer s

30、ent back his plate of fried potatoes because they were cut too thick. George cut the potatoes really, really thin. And he cooked them for a long time until they were crispy. He sprinkled lots of salt on them so they were really salty. B: Did the customer loved them?A: Yes, they asked for more. Every

31、one was ordering thinly-sliced, crispy, salty potato chips.B: We like them, too. A: So do I.Reading practice1. Listen to the passage first.2. Give students a few minutes to read the passage and try to find the answers to the questions.3. Explain some language points.Go over the whole lessons.1. Copy

32、 new words and listening materials.2. Write a passage to introduce how the flying disk was invented.Talk to each other.Watch and learn.Think and answer questions.Listen and finish the task.Pair workRole play the conversati-on.Listen and read, find the answers.Finish the homework.通过口语练习，激发学生学习积极性，让学生

33、在轻松好奇的氛围中复习上节课的目标语言，又引出新课。以旧知识新引入新单词。培养学生自主学习的能力。通过问题让学生对对话有整体了解，为听力练习做好准备；又培养学生的注意力，想像力，观察力。培养听力能力，熟悉语言目标。培养说的能力，掌握目标语言。通过听力练习和阅读练习让学生明白这些发明对生活的帮助和对生活质量的提高与认识。巩固所学知识，培养运用能力，掌握反馈信息。环节 教学过程学生活动教学意义Step 1Warm upStep 2Writing practiceStep 3PracticeStep 4Selfcheck Step 5Consolidation and ExtensionStep 6

34、Sum upStep 7Homework Period 41. Greetings.2. Free talkShow some pictures of inventions and ask students discuss pictures and something about what he/she would like best in class.1. Read the instructions to the class and make students look at the sample first sentence of 3b.2. Explain that students c

35、an combine more than one point into one sentence.3. Ask students to finish in oral English.Teacher can give an example.The flying disk was invented by college students. They used a metal pie plate from a bakery in Bridgeport, Connecticut. Students ate the bakerys pies and then threw the pie plates.

36、Today, there are flying disk clubs, magazines and a festival.4. Ask students to finish them in their exercise books after class.Pair work: A successful businessperson.Imagine you are a businessperson. Ask your friend questions about his or her invention. Try to sell your friends invention to the cla

37、ss. For example:A: This is special pen was invented by Zheng Jie. It has three colors and it is used for1. Fill in the blanks with the correct word given then make own sentences with these words.2. Show some pictures of inventions. Ask students to have conversations in pairs. For example: A: What is

38、 it ?B: Its an abacus. Umbrella/a binoculars, camera, bicycle.A: What is it used for?B: Its used forA: Oh, thats cool! Who was it invented by?B: It was invented byA: What would you like best?B: Id likebest.3. Finish the writing task after class.Crazy InventionsAsk students to build their own crazy i

39、nventions using paper, cardboard and other materials they may have at home. Have them bring their inventions to class and say something in class next class.Go over the whole lessons.Finish the writing task of Section B 3b and Self check 2.Watch and have a talk with each other.Complete the writing ta

40、sk in oral English.Pair work, role play in front of class.Fill in the blanks.Have conversations in pairs.Finish the writing task.Build the inventions and write something about the inventions.Go over and try to remember the language points.通过图片和句型，激发学生练习口语的积极性，让学生在轻松好奇的氛围中认识人类的科技进步。运用所学目标语言为学生提供写作练习的

41、机会，提高学生运用语言的能力。培养学生的合作交流意识以及创新能力，提高运用目标语言的能力。进一步了解被动语态的用法；提高学生的口头表达能力。培养学生综合运用语言的能力。通过综合性的活动，培养学生的创新能力来达到情感，态度，价值观的课堂体现。环节 教学过程学生活动教学意义Step 1Warm upStep 2Practice Step 3PresentationStep 4Reading practice Step 5Sum upStep 6Homework Step 51. Greetings.2. Free talkTalk about some sports in China, espec

42、ially some popular sports, such as Ping-pong ball, basketball, swimming and so on. For example:A: Do you like sports?B: yes, I do.A: Which sports do you like best?B: I likebest.A: Why?B: Because?Section 1 Before you read.Pair work :Show some pictures of sports in China. Rank the sports in the order

43、of popularity.1. Give students a few minutes to read the passage Do you know when basketball was invented? And ask students to finish the task of Section 3 3a. 2. Learning strategy: Mind-mapping.3. Try to answer the following questions with the help of the mind-mapping:Who invented basketball?Why we

44、re the Berlin Olympics important for basketball?What is the aim of basketball?Name a professional basketball organization in America.1. Ask students to read the first two paragraphs with the following five questions: What is a popular activity in China?What do people play it for?When was the sport o

45、f basketball invented?How many people play basketball?Where has basketball been played?2. Explain some language points in the first two paragraphs.3. Ask students to read the third paragraph with the following two questions:Who invented basketball? What kind of game was basketball at first?4. Explai

46、n some language points in the third paragraph.5. Ask students to read the fourth paragraph with the following questions:Whats the aim of basketball for players?Whats the backboard used for?Whats the name of the place where playersplay basketball.6. Explain some language points in the four paragraph.

47、7. Read the last paragraph with the following questions: When was the first basketball game in history?Why were the Berlin Olympics important for basketball?Do more and more people enjoy playing basketball?Name a professional basketball organization in America.8. Explain some language points in the

48、last paragraph.Go over the lessons and write down the following useful expressions:travel around, notice a very popular activity, a much-loved and active sport, be enjoyed by, for fun and exercise, a little more than, be played by, in over 200 countries, be played in, be invented by, be born in, at

49、college, invent a new game, be played indoors, during the long winters, create a game, be played on a hard wooden floor, the safety of , knock into, fall down, divide into, teach how to play, get a ball into, a net hanging from, shoot from below, be used for , guideinto, move towards, throwto, on De

50、cember 21st, 1891, in history, in 1936, in Berlin, an Olympic event, a team from China, take part, used to help develop the game, at home, since then, rise worldwide, become a more popular sport, dream of becoming famous basketball players.Writing a passage about something good and difficult about being a basketball player.Free talk.Watch and rank the pictures.Read and master the reading strategy.Go over and write down useful expressions.Write an article.激发学生的兴趣，培养学生的语言表达能力，同时为阅读的部分的教学做铺垫。激发学习兴趣，为阅读教学做准备。教会学生mind-mapping的阅读策略,提高学生的阅读水平。帮助学生理解短文内容，掌握知识点。