江苏省海门市正余初级中学九年级英语全册《Unit 9 When was it invented》教案 人教新目标版.docx

1、江苏省海门市正余初级中学九年级英语全册Unit 9 When was it invented教案 人教新目标版Unit 9 When was it invented 单元目标与要求教学目标：1.谈论重要发明的发明时间、发明者和用途。 2.了解薯条,茶和篮球的发明历史。语言结构：被动语态语言功能：谈论重要发明的发明时间、发明者和用途语言目标:When was the car invented? It was invented in1885. Who were they invented by? They were invented by Edison. What are they used fo

2、r? Theyre used for seeing in the dark.重点词汇及短语：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 mistake, by accident教学重点：应用被动语态讨论重要发明的时间、发明者和用途教学难点：如何描述一项新发明的来历和用途学习方式：自主合作学习技能目标：能够谈论发

3、明的历史和用途，能够对生活中的发明发表自己的看法，能够解决生活问题，设计新发明。情感目标：充满想象力，善于观察事物面对难题，用积极的态度解决，发挥创造能力，认识世界，改造世界。第一课时教学内容与分析教学内容：Section A 1a-2c 教学目标：a. 能够掌握基本单词和词汇 invent, be used for, scoop, adjustable, heel, battery, operate, slipper, light bulb.b. 能够运用基本句型进行提问。 When was it/were they invented? Who was it/were they invent

4、ed by? What is it/are they used for?教学重点、难点分析：教学重点：单词,词汇和句型。教学难点：运用被动语态谈论发明的发明者及用途。 课前准备本课时的教学课件以及一些单词，短语卡片。 教师设计 教学步骤 建议和说明 热身/复习（Warm-up/Revision）Greetings.Talk about something in unit 8.呈现/操练（Presentation/Practice） Present two pictures of Thomas Edison and a light bulb. T: Look at the picture on

5、the Screen. Whats that in English?Ss: .T: Its a light bulb. (Students read “light bulb” after the teacher repeatedly.)T: Who invented the light bulb? Thomas Edison invented the light bulb in 1879. Play a short game:a. Teacher ask four Ss come to the front and give each of them a card with Thomas Edi

6、son, 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 it right now? Can we say like this?c. Ask the fifth and sixth Ss with card of Was and

7、 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 of the train and the plane. T: Talk with your partner about the inventions with the wor

8、ds 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 invented after the train.But it was invented before the plane.Now lets look at more inventi

9、ons: the personal computer, . the car, the calculator, the telephone and the TV. In what order do you think they were invented. Ss work in pairs and talk about their ideas like this: A: I think the telephone was invented before the car. B: I think the telephone was invented after the car.Work on 1b

10、and 1cSs listen to the tape twice and match the inventions with the dates. Ss 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.The whole class check the answer together.呈现/操练（Presentation/Practice） Present a telephone

11、 . 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.Teacher explain the key sentences: What is it used for? Its used for talking with people.Ss do pair work and talk about oth

12、er 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 scoop in the dialogue.Listen and number the inventions in the order.Listen again and match

13、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 talk about the inventions in the dialogue. They can use their own names to substitute the di

14、fficult names.1 What is it/are they? It is/They are .2 Who was it/were they invented by? It was/They were invented by .3 What is it/are they used for? Its/Theyre used for HomeworkListen to the two conversations in 1b and 2a and imitate.Surf the internet and find more inventions. Introduce them to th

15、e whole class ,using:It was/They were invented by _.It was/They were invented in _.It is/They are used for _. 爱迪生是众所周知的发明家。学生了解的比较多。通过游戏来教语法既能活跃语法死气沉沉的课堂，又能让学生乐于接受，牢记于心。用火车和飞机的发明来呈现学生知道的人比较多，因为社会书上有着方面的知识。听力材料生词很多，先呈现新单词扫除一些障碍。对话中复杂、难读的人名，给学生造成很大的障碍。教师可以有意识地替换成班级学生的名字，学生朗读更容易，学习气氛更活跃。Blackboard Desi

16、gnUnit 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 Who invented the light bulb? Edison invented the light bulb in 1879. The light bulb was in

17、vented by Edison in 1879. A: When ?B: I think .A: What is it used for? B: Its used for talking with people.第 二 课 时 教学内容与分析：教学内容： Section A: 3a-4教学目标：针对各项发明的用途和特点，发表观点并陈述原因。 教学重难点：描述各项发明的用途并说明原因。 课前准备： 本课时的课件教学设计： 教 学 步 骤 热身/复习（Warm-up/Revision）Greetings.Do duty report and check their homework. 游戏（Gu

18、essing 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 they invented? What is it/are they used for? Is it/Are they used .?about the invention, One stu

19、dent 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. 呈现/操练（Presentation/Practice） Make a list of the inventions at school and home as more as you can, e.g. bike, b

20、ag, 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 with your group.A: What do you think is the most helpful invention? Why?B: I think the most he

21、lpful 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. 5 helpful inventionsWhy5 annoying inventionsWhyReport: One represent from a group report y

22、our 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 five inventions. Talk like in 4 and fill in the form below in groups.5 InventionsWhy Report

23、: 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 information about them and the reasons.建 议 与 说 明 学生仔细听并猜测他们的发明。这个环节能够检查学生完成作业的情况，巩固第一课时的重要语言点，以游戏

24、娱乐的情景完成课前复习。 让学生在自己的身边寻找更多的发明就更能体会什么发明是有帮助的，什么发明是惹人烦的。学会合理应用身边的发明的事物去解决生活中的难题。学生可以根据自己的兴趣，通过查书籍、上网等形式，查找相关资料，介绍发明者、何时发明的、有何用途等。Blackboard DesignUnit 9 When was it invented?Helpful Annoying1. 1.2. 2.3. 3.4. 4. 5 InventionsWhyGroup A: Group B:Who was it/were they invented by? When was it/ were they in

25、vented?What is it/are they used for? Is it/Are they used.? 第三课时 教学内容与分析：教学内容： Section B: 1a-2c and self-check 1教学目标：a. 能够掌握食物味道的新单词： crispy, salty, sour, by mistake, chef and sprinkle.b. 了解薯条的发明历史。 教学重难点：教学重点：单词，词汇和句型。教学难点：了解并复述薯条的发明历史。 课前准备： 本课时的课件教学设计： 教 学 步 骤 热身/复习（Warm-up/Revision）Greetings.Did

26、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 cleaned. Our dinner was cooked Ask some students to share their survey results and judge who was

27、 the most tired and hard-working student last weekend. Cheers for him/her!呈现/操练（Presentation/Practice） Make a list of your favorite food on paper. Lets have a food game! Fill in the chart as soon as possible and as much as possible.SweetSourSaltyCrispyAsk students to explain the wordssweet, sour, sa

28、lty 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 taste in 1a.Write the names of more food after each description words in 1b.Work on self-check 1W

29、ork 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 2a and try to answer the questions above with the information in the chart. Ask students to explai

30、n 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. Listen 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 tw