九年級英語 Unit 9 When was it invented教案 人教新目標版

1、Unit 9 When was it invented? 課時安排5課時第一課時：Section A 1a-2c 第二課時：Section A 3a-4 第三課時： Section B 1a-2c and self-check 1第四課時：Section B 3a-4b and self-check 2第五課時;Reading 單元目標與要求教學(xué)目標：1.談?wù)撝匾l(fā)明的發(fā)明時間、發(fā)明者和用途。 2.了解薯條,茶和籃球的發(fā)明歷史。語言結(jié)構(gòu)：被動語態(tài)語言功能：談?wù)撝匾l(fā)明的發(fā)明時間、發(fā)明者和用途語言目標:When was the car invented? It was invented in18

2、85. Who were they invented by? They were invented by Edison. What are they used for? Theyre used for seeing in the dark.重點詞匯及短語：salty, sweet, sour, crispy, pleasant, potato chips, slipper, leaf, fire, scoop, light bulb, microwave oven, abacus, camera, beverage, be invented by, be used for, by mistak

3、e, by accident教學(xué)重點：應(yīng)用被動語態(tài)討論重要發(fā)明的時間、發(fā)明者和用途教學(xué)難點：如何描述一項新發(fā)明的來歷和用途學(xué)習(xí)方式：自主合作學(xué)習(xí)技能目標：能夠談?wù)摪l(fā)明的歷史和用途，能夠?qū)ι钪械陌l(fā)明發(fā)表自己的看法，能夠解決生活問題，設(shè)計新發(fā)明。情感目標：充滿想象力，善于觀察事物面對難題，用積極的態(tài)度解決，發(fā)揮創(chuàng)造能力，認識世界，改造世界。第一課時l教學(xué)內(nèi)容與分析教學(xué)內(nèi)容：Section A 1a-2c 教學(xué)目標：a. 能夠掌握基本單詞和詞匯 invent, be used for, scoop, adjustable, heel, battery, operate, slipper, ligh

4、t bulb.b. 能夠運用基本句型進行提問。 When was it/were they invented? Who was it/were they invented by? What is it/are they used for?l教學(xué)重點、難點分析：教學(xué)重點：單詞,詞匯和句型。教學(xué)難點：運用被動語態(tài)談?wù)摪l(fā)明的發(fā)明者及用途。l 課前準備本課時的教學(xué)課件以及一些單詞，短語卡片。l 教師設(shè)計 教學(xué)步驟 建議和說明 熱身/復(fù)習(xí)（Warm-up/Revision）Greetings.Talk about something in unit 8.呈現(xiàn)/操練（Presentation/Practi

5、ce） Present two pictures of Thomas Edison and a light bulb. T: Look at the picture on the Screen. Whats that in English?Ss: .T: Its a light bulb. (Students read “l(fā)ight bulb” after the teacher repeatedly.)T: Who invented the light bulb? Thomas Edison invented the light bulb in 1879. Play a short game

6、:a. Teacher ask four Ss come to the front and give each of them a card with Thomas Edison, Invented, The light bulb, In 1879 on it. Then ask them to stand in order like the sentence.Thomas Edison invented the light bulb in 1789.b. Exchange the order of Thomas Edison and the light bulb and ask Ss: Is

7、 it right now? Can we say like this?c. Ask the fifth and sixth Ss with card of Was and By to cut in line and organize the right sentence.Teacher write the three sentences on the Bb and explain the Passive Voice and the Active Voice. Ss read them after the teacher repeatedly. Present the inventions o

8、f the train and the plane. T: Talk with your partner about the inventions with the words given by using the Passive Voice and the Active Voice.Ask a few pairs to say the dialogues like below:A: Who invented the train/ plane?B: A: When was it invented?B: Work on 1a T: We know the light bulb was inven

9、ted after the train.But it was invented before the plane.Now lets look at more inventions: the personal computer, . the car, the calculator, the telephone and the TV. In what order do you think they were invented.v Ss work in pairs and talk about their ideas like this: A: I think the telephone was i

10、nvented before the car. B: I think the telephone was invented after the car.Work on 1b and 1cSs listen to the tape twice and match the inventions with the dates. vSs do pair work and check the answers with their partners like: A: When was the telephone invented? B: I think it was invented in 1876.Th

11、e whole class check the answer together.呈現(xiàn)/操練（Presentation/Practice） Present a telephone . Make a dialogue with a student like this: T: When was the telephone invented?S1: It was invented in 1876. T: What is it used for?T and S1: It is used for talking with people.vTeacher explain the key sentences:

12、 What is it used for? Its used for talking with people.Ss do pair work and talk about other inventions like the model. Ss act out their dialogues in front of the whole class. Work on 2a and 2bPresent the three inventions shoes with adjustable heels, battery- operated slippers and heated ice cream sc

13、oop in the dialogue.vListen and number the inventions in the order.Listen again and match the items in columns A, B, and C.Check the answers like this:“The shoes with adjustable heels were invented by Jayce Coziar and Jamie Ellsworth. They are used for changing the style of the shoes.”Pole playSs ta

14、lk about the inventions in the dialogue. They can use their own names to substitute the difficult names. What is it/are they? It is/They are . Who was it/were they invented by? It was/They were invented by . What is it/are they used for? Its/Theyre used for HomeworkListen to the two conversations in

15、 1b and 2a and imitate.vSurf the internet and find more inventions. Introduce them to the whole class ,using:It was/They were invented by _.It was/They were invented in _.It is/They are used for _. 愛迪生是眾所周知的發(fā)明家。學(xué)生了解的比較多。通過游戲來教語法既能活躍語法死氣沉沉的課堂，又能讓學(xué)生樂于接受，牢記于心。用火車和飛機的發(fā)明來呈現(xiàn)學(xué)生知道的人比較多，因為社會書上有著方面的知識。聽力材料生詞很

16、多，先呈現(xiàn)新單詞掃除一些障礙。對話中復(fù)雜、難讀的人名，給學(xué)生造成很大的障礙。教師可以有意識地替換成班級學(xué)生的名字，學(xué)生朗讀更容易，學(xué)習(xí)氣氛更活躍。Blackboard DesignUnit 9 When was it invented?Role play:A: What is it/are they? B: It is/ They are .A: Who was it/were they invented by? B: It was/They were invented by .A: What is it/are they used for? B: Its/Theyre used for Wh

17、o invented the light bulb? Edison invented the light bulb in 1879. The light bulb was invented by Edison in 1879. A: When ?B: I think .A: What is it used for? B: Its used for talking with people.第 二 課 時l 教學(xué)內(nèi)容與分析：教學(xué)內(nèi)容： Section A: 3a-4教學(xué)目標：針對各項發(fā)明的用途和特點，發(fā)表觀點并陳述原因。l 教學(xué)重難點：描述各項發(fā)明的用途并說明原因。l 課前準備： 本課時的課件l教

18、學(xué)設(shè)計： 教 學(xué) 步 驟 熱身/復(fù)習(xí)（Warm-up/Revision）Greetings.Do duty report and check their homework. 游戲（Guessing game）Teacher hold a box with a lot of inventions in hand. Divide the Ss into A and B two groups. One student from group A ask some questions :Eg: Who was it/were they invented by? When was it/ were the

19、y invented? What is it/are they used for? Is it/Are they used .?about the invention, One student from B who has the invention answer them. If A can guess the invention, he can get the invention. A and B take turns to guess. At last, the group who has more inventions is the winner. 呈現(xiàn)/操練（Presentation

20、/Practice） Make a list of the inventions at school and home as more as you can, e.g. bike, bag, pencil, batteries, etc.Inventions at school: _.Inventions at home: _.Divide your inventions into two groups:Helpful inventions:_.Annoying inventions:_ Work on 3a and 3b Pair work: Discuss your opinions wi

21、th your group.A: What do you think is the most helpful invention? Why?B: I think the most helpful invention is the light bulb. Because it gives people more time to work and play every day. Fill in the form: make a list of at least five helpful inventions and annoying inventions and give your reasons

22、. 5 helpful inventionsWhy5 annoying inventionsWhyReport: One represent from a group report your result.Work on 4 Group workT: Imagine your group is alone on a tiny island. You can only have five inventions with you on the island. What would you like to choose and why?”Discuss in groups and decide on

23、 five inventions. Talk like in 4 and fill in the form below in groups.5 InventionsWhy Report: One represent from a group report your decisions.HomeworkWrite a short article about “5 Important Inventions In My Life”. Tell us, what are the most important inventions in your daily life? Write more infor

24、mation about them and the reasons.建 議 與 說 明 學(xué)生仔細聽并猜測他們的發(fā)明。這個環(huán)節(jié)能夠檢查學(xué)生完成作業(yè)的情況，鞏固第一課時的重要語言點，以游戲娛樂的情景完成課前復(fù)習(xí)。 讓學(xué)生在自己的身邊尋找更多的發(fā)明就更能體會什么發(fā)明是有幫助的，什么發(fā)明是惹人煩的。學(xué)會合理應(yīng)用身邊的發(fā)明的事物去解決生活中的難題。學(xué)生可以根據(jù)自己的興趣，通過查書籍、上網(wǎng)等形式，查找相關(guān)資料，介紹發(fā)明者、何時發(fā)明的、有何用途等。Blackboard DesignUnit 9 When was it invented?Helpful Annoying1. 1.2. 2.3. 3.4. 4.

25、 5 InventionsWhyGroup A: Group B:Who was it/were they invented by? When was it/ were they invented?What is it/are they used for? Is it/Are they used.? 第三課時l 教學(xué)內(nèi)容與分析：教學(xué)內(nèi)容： Section B: 1a-2c and self-check 1教學(xué)目標：a. 能夠掌握食物味道的新單詞： crispy, salty, sour, by mistake, chef and sprinkle.b. 了解薯條的發(fā)明歷史。 l 教學(xué)重難點：教

26、學(xué)重點：單詞，詞匯和句型。教學(xué)難點：了解并復(fù)述薯條的發(fā)明歷史。l 課前準備： 本課時的課件l教學(xué)設(shè)計： 教 學(xué) 步 驟 熱身/復(fù)習(xí)（Warm-up/Revision）Greetings.Did you do any housework at home last weekend? What was done by you?Interview your classmates in groups and make a list of the housework that was done by themselves.NameHousework that was doneThe dishes were

27、 cleaned. Our dinner was cooked Ask some students to share their survey results and judge who was the most tired and hard-working student last weekend. Cheers for him/her!呈現(xiàn)/操練（Presentation/Practice） Make a list of your favorite food on paper. Lets have a food game! Fill in the chart as soon as poss

28、ible and as much as possible.SweetSourSaltyCrispyAsk students to explain the wordssweet, sour, salty and crispy with the food list and read after the teacher repeatedly. Count the kinds of food in groups and judge which group is the Food Expert.Work on 1a and 1bDescribe the four kinds food how they

29、taste in 1a.Write the names of more food after each description words in 1b.Work on self-check 1Work on 2a and 2bFree talk:Whats the most popular junk food?How much do you know about the history of them?Who were they invented by?When were they invented?How were they invented?Read the statements in 2

30、a and try to answer the questions above with the information in the chart. Ask students to explain them in a simple way if necessary. Listen and circle “T” or “F”.Read through the lines in 2b and get familiar with the missing blanks according to the passage.Listen again and complete the sentences. L

31、isten again and then fill in the missing words.Role playRole play the conversation about the invention of the potato chip. Use the information from 2a and 2b.Ask two pairs to read the conversation in 2c to the class.HomeworkGo over the history of chips in 2a & 2b and write a short essay about it.Loo

32、k for the invention of tea by the Internet or reading the books. Then copy the information on paper.建 議 與 說 明 對學(xué)生進行情感教育，周末在家要幫助父母做家務(wù)活，并表揚班級里最勤快，最有孝心的學(xué)生。通過回答下列問題的方式，自然地引出聽力內(nèi)容，并激發(fā)學(xué)生的學(xué)習(xí)欲望，也能夠瀏覽課本中的表格，提前預(yù)知一部分基本信息。為聽力掃除一些障礙。降低難度。預(yù)習(xí)新知識，擴大知識面。Blackboard DesignUnit 9 When was it invented?SweetCrispySalty:So

33、urDo you knowwere invented1853were crispyreally saltyby mistake chefsprinkle.: : 第四課時l 教學(xué)內(nèi)容與分析：教學(xué)內(nèi)容： Section B: 3a-4b and self-check 2教學(xué)目標：a. 能夠掌握閱讀課文的單詞，詞匯和句型：ancient, legend, produce, fall into, in this way, pleasant, boil, bush, remain, pie, flying disk.b. 了解茶的由來，嘗試描述一項新發(fā)明。l 教學(xué)重難點：教學(xué)重點：單詞,詞匯和句型。教

34、學(xué)難點：了解茶的由來， 嘗試描述一項新發(fā)明。l 課前準備： 本課時的課件l教學(xué)設(shè)計： 教 學(xué) 步 驟 熱身/復(fù)習(xí)（Warm-up/Revision）Greetings.Retell something about potato chips呈現(xiàn)/操練（Presentation/Practice） Discuss in groups how much information students have got about the invention of tea. T: Can you reply to the questions? Who invented tea?When was it inv

35、ented?How was it invented?What kind of Chinese tea do you know?Ask several students to read their different answers.Work on 3a Read the article and write the answers to four questions in 3a.Discuss the answers in groups.Ask students to read their answers. If its wrong, ask another one to give differ

36、ent answer.Explain some phrases or sentences and give examples.Students read after the tape-recorder. Then read aloud by themselves until they remember the general information.Students close the textbook and try to retell the story in their own words.Look at the words on the Screen and ask a few stu

37、dents to retell it.by accident 1610 over three thousand yearsShen Nong an open fire leavesfall into smell tasteRead and number the dialogue._No, I dont know. Was it the emperor of China? 1 Do you know who invented the airplane?_ I dont think so. I think he invented tea._ What? I never learned that i

38、n history. How did he invent tea by accident?_ Oh, thats right. I remember reading about that in history. A Chinese emperor invented tea by mistake a long time ago._ He tasted some hot water after leaves had fallen in it. It was deliciousWork on 3b Read the instructions to the class and explain some

39、 new words. Ss write an article using the notes in the box. The teacher walks around the classroom and looks through students articles. Help them solve some problems if they need. Ask a few to read their articles.Work on 4aDiscuss the problems you have in your daily life in groups.Find one problem a

40、ll of you can solve and give advice.Design a new invention to solve it. Describe its uses and functions.NameProblemsAdviceNew InventionWork on 4bImagine you are a businessperson. Introduce your partners new invention to the whole class and try to sell it to the class.HomeworkWrite a simple instructi

41、ons of your new invention.Fond out the information about the abacus, umbrella, binoculars, camera and bicycle. Write them down beside the pictures in self-check 2.建 議 與 說 明 這個環(huán)節(jié)既能檢查課前收集資料的情況，又能提醒學(xué)生閱讀短文時注意重點掌握信息?；顒又荚趧?chuàng)造學(xué)生積極、主動的思維方式。閱讀和理解能力并存，因此需要教師選擇圍繞本單元內(nèi)容的其它材料，擴展閱讀量，測試學(xué)生的能力。限定時間將下面對話中的句子排序，比賽誰閱讀速度快而

42、且語感通順流暢。引導(dǎo)學(xué)生注意觀察生活，感受生活，培養(yǎng)學(xué)生的創(chuàng)造力。學(xué)生根據(jù)日常生活中遇到的困難，發(fā)揮想象力和創(chuàng)造力，為此設(shè)計一項發(fā)明來解決所遇到的困難。讓學(xué)生走向市場，推銷自己的發(fā)明。這篇寫作能夠總結(jié)本課時的中心語言結(jié)構(gòu)，更能夠連貫本單元的重要語言知識點，活學(xué)活用，刺激學(xué)生學(xué)英語的積極性。煩躁、乏味、重復(fù)的作業(yè)不復(fù)存在了，代替它的是大家感興趣的活動。Blackboard DesignUnit 9 When was it invented?by accident1610over three thousand yearsShen Nongan open fireleavesfall intosme

43、lltasteby accidentover three thousand years ago an ancient Chinese legend according todrinking water over an open fire fall intoremain thereproduce a pleasant smellin this way第 五 課 時l 教學(xué)內(nèi)容與分析：教學(xué)內(nèi)容： Reading 教學(xué)目標：a. 能夠掌握閱讀課文的單詞，詞匯和句型; notice, including, knock, below, risen,b. 閱讀籃球發(fā)明的歷史，依據(jù)記憶圖片的提示，掌握文章中

44、的重要信息。l 教學(xué)重難點：教學(xué)重點：單詞,詞匯和句型。教學(xué)難點：依據(jù)記憶圖片的提示，掌握文章中的重要信息并復(fù)述課文。l 課前準備： 本課時的課件l教學(xué)設(shè)計： 教 學(xué) 步 驟 熱身/復(fù)習(xí)（Warm-up/Revision） GreetingsFree talk:Talk something about 2008 OlympicsPre-reading Give students 2 minutes to list eight sports played in China. Then discuss the results with the class In order of popularity, rank them with your partner. Share different answers. But find out which sports are considered the 3 most popular. Present something about basketball.While-reading Fast r