人教版英语九年级《When was it invented》全单元学案.docx

1、人教版英语九年级When was it invented全单元学案【课 题】 Unit 6 When was it invented ?Section A 1a1c 【学习目标】句型：When was the car invented?弄清一般过去时态的主动语态与被动语态的差异，并通过练习和运用加以巩固。 【学习重点难点】句型：When was the car invented?弄清一般过去时态的主动语态与被动语态的差异，并通过练习和运用加以巩固。 【学法指导】在学习中，懂得人类的科学发明创造了丰富的物质文明，激发创造发明的能力和愿望。并乐于参加学习小组活动，积极合作。 【教学过程】一、 导入

2、（启发探究 3分钟） 通过课件呈现中国古代的发明: gun powder/compass/paper making/printing然后问学生:What are they?Help the students to say :They are four inventions of China.Get the students to repeat.叫学生列举一些他们知道的发明,如car,telephone,computer,TV等。Then show some inventions on the screen to the students:Telephone, calculator, car,

3、personal computer, TV, light bulb, alarm, clock, microwave oven, electric slipper.Teacher: There are many useful things in the world. They help us a lot in life. (Show some pictures on the screen)When were they invented?Students: _. The telephone was invented in 1876. The computer was invented in .

4、二、自学（自主探究 6分钟）文化背景导读How Americans showed their respect for Edison Thomas Alva Edison was awarded more patents on inventions than any other American. When he died in 1931, Americans wondered how they could best show their respect for him. One suggestion was that the nation observe a minute or two of

5、total blackout. All electric power would be shut off in homes, streets, and factories. Perhaps this suggestion made Americans realize fully what Edison and his inventions meant to them. Electric power was too important to the country. Shutting it off for even a short time would have led to complete

6、confusion. A blackout was out of the question. On the day of Edisons funeral, many people silently dimmed their lights. In this way they honored the man who had done more than anyone else to put a great force of electricity at his countrymens fingertips.翻译下列年代：1 nineteen seventy-one_ 2 eighteen eigh

7、ty-five_3. eighteen seventy-six 4.1927_ 5.1976_ 6. 2010_三、交流（合作探究 10分钟）1. 要求学生翻开课本P41，迅速阅读1a部分的内容。并按要求完成课本上相应的任务: Number the pictures.（1分钟）2. 检查答案，先要求全班一起给出答案并检查讨论。 The telephone was invented in 1876.Cars were invented in 1885.The TV was invented around 1927.The personal computers were invented in 1

8、976.3. 要求学生听第一遍录音，并完成课本上1b的听力任务: Listen and match the inventions with the years. Check their answers: 读出序号-读出年份-读出完整的句子（2分钟）Picture d: The telephone was invented in eightenn seventy-six.Picture a: Cars were invented in eighteen eighty-five.Picture c: The TV was invented around nineteen twenty-seven.

9、Picture b: The personal computers were invented in nineteen seventy-six.4.听第二遍，填空。Alice: Was your life very difficult when you were a kid?Grandma: Oh, not really. Why?Alice: Well, you didnt have modern inventions like a , right?Grandma: Of course we did! How old do you think I am? The telephone was

10、in 1876. You need to take a history class, Alice!Alice: Haha! How about ? They werent invented yet, were they?Grandma: Yes, they were. Cars were invented in 1885. My family had a car.Alice: Well, did you have a TV?Grandma: No, we couldnt one. They were expensive in those days. The TV was invented ar

11、ound 1927, I think.Alice: Well, I know that you didnt have a because we learned in school that personal computers were invented in 1976.Grandma: Youre right. But I have now!5. 要求学生听第三遍录音，并逐句进行跟读。（2分钟）6. 完成教材1c的任务，要求学生模仿1a内容，进行对话练习。并邀请2-3对同学当堂进行演示。（3分钟）A: When was the telephone invented?B: I think it

12、 was invented in 1876.A: When was the car invented?B: I think it was invented in 1885.A: When was the TV invented?B: I think it was invented around 1927.A: When was the personal computers invented?B: I think it was invented in in 1976.6. 小结训练。要求学生在规定的时间内完成一个小练习。并请若干学生给出自己的答案。有错误的话及时解决纠正。（2分钟）用所给单词的正

13、确形式填空：1) When was the telephone invented (invent)?2) The computer can help us do math problems (help).3) In those day, the woman couldnt afford (afford)a TV because they were really expensive.4) A friend of mine (I) came to see me last week.5) I think you need to take (take) a history class.四、总结（引深探

14、究 15分钟）1.invent (v.)发明；创造invent 指发明创造出自然界本来不存在的东西，如工具、方法、手段、汽车、电器、合成材料等。【备课例句】Bell invented the telephone. 贝尔发明了电话。Smith invented a new teaching method. 史密斯发明了一种新的教学方法。【横向辐射】discover, find, create 1.discover是“发现”的意思，是指发现原来就有而一直没被发现，如发现电、煤、石油等矿藏及新星、星系或科学真理等。Columbus discovered America in 1492.1492年哥伦

15、布发现了新大陆。Recently they have discovered a comet. 最近他们发现了一颗彗星。2.find的意思是“寻找”，强调找的结果，并不指发现。Ive tried to find another copy but couldnt find one.我试图再找一本，但没能弄到。3.create指有目的地把原材料制成新产品，也指创造出原来不存在的或与众不同的事物。Man creates himself. 人类创造了自己。A novelist creates characters and a plot. 小说家塑造人物并设计情节。【课堂变式】根据语境提示，用invent

16、, discover，find或create的形式填空，完成句子。1.When _ the stream engine（蒸汽机） _?2.I cant _ my bike, Im looking for it. 3. Scientists are now trying to _ if this is possible.4. Do you know who_ the plane？5. He _quite a number of wonderful characters in his play.【解析】I.1.was, invented 2.find 3.discover 4.invented 5

17、. created五、练评（包含“考点链接” 应用探究 6分钟）一）单项选择（ ）1.The kind of cup is used_drinking. A.to B.as C.by D.for（ ）2.My mother and my sister kept on talking,but my father_silent all the time.A.got B.kept C.turned D.looked（ ）3.I think the short story_by Lu Xun. A.is writing B.is written C.written D.was written（ ）4.

18、-Who_the electric light lamp_? Edison.A.was;invented B.is;invented C.was;invented by D.did;invented by二）阅读短文，完成任务Google and Toyota have worked together to create a new smart car. It can run on the road without a driver. It drives itself. The self-driving car hasnt been on sale to the public, so we d

19、ont know how much it costs. Another thing most people want to know is whether it will be safe enough to run on the road.21教育名师原创作品The self-driving car uses electricity as its power, and it cant drive very quicklythe top speed would be 25 miles per hour. It is actually controlled by a computer system

20、 (系统) on the car. The system keeps on collecting information by some video cameras inside the car and a LIDAR sensor (激光雷达传感器) on top of it. A computer processes the information and decides what to do. “The self-driving car has only buttons (按钮) for go and stop, so its very easy to use,” an engineer

21、 of Google says. “And whats more, it will make car accidents less and make the world a safer place.” The self-driving car has driven hundreds of thousands of miles in California, and it has only gotten into two accidents by human mistake.According to CNN, self-driving cars will also help to reduce (

22、减少) the number of cars in big cities. “Self-driving cars would be able to send you to the workplace and then pick up another person instead of stopping in a parking lot.”( )1. We dont know the price of the self-driving car because . A. it is on sale only in America B. it isnt made for sale C. people

23、 can get it for free D. it hasnt been on sale to the public( )2. The self-driving car can collect information using . video cameras a computer a LIDAR sensor a computer system A. B. C. D. ( )3. According to CNN, self-driving cars will . A. send us more quickly to the workplace B. lead to heavier tra

24、ffic C. improve traffic condition in big cities D. carry more people than a normal car 【教学反思】 【课 题】Unit 6 When was it invented ?Section A 2a2c【学习目标】 掌握本课单词、短语、句型 Who was it invented by? What are they used for?【学习重点难点】能听懂含有一般过去时态被动语态的简短对话。能运用一般过去时态被动语态谈论历史上的发明。 【学法指导】观察图画-回忆句型-练习口语-巩固练习 【教学过程】一、 导入（启

25、发探究 3分钟） Dialogue 1:S1: What is this?S2: This is a hot ice- cream scoop. It runs on electricity.S1: What is it used for?S2: It is used for serving really cold ice cream.S1: Who was it invented by?S2: It was invented by Chelsea Lanmon.Dialogue 2:S1: What are these?S2: They are shoes with lights.S1: W

26、hat are they used for?S2: They are used for seeing in the dark.S1: Who were they invented by?S2: They were invented by Julie Thompson.Dialogue 3:S1: What are these?S2: They are shoes with special heels.S1: What are they used for?S2: They are used for changing the style of the shoes.S1: Who were they

27、 invented by?S2: They were invented by Jayce Coziar and Jamie Ellsworth.二、自学（自主探究 6分钟）1、认真拼读下面单词和人名heel /hi:l/ n. 鞋跟；足跟 p.42electricity /ilektristi/ n. 电；电能 p.42 scoop /sku:p/ n.勺; 铲子 p.42style/stail/ n. 样式; 款式 p.42Chelsea/telsi/ Lanmon /lnmn/切尔西 兰曼 p.42Jayce /deis/ Coziar /kuzia:/杰斯 克里亚 p.42Jamie /

28、deimi/ Ellsworth /elzw:(r)/杰米 埃尔斯沃恩 p.42 Julie /du:li/ Thompson /tmpsn/朱莉 汤普森Whitcomb /witkm/ Judson /ddsn/惠特科姆 贾德森 p.42 三、交流（合作探究 10分钟）1. 要求学生翻开课本P42。播放录音一遍，完成2a，2b的听力任务，然后个别检查，统一核对答案。（2分钟）2. 要求学生听第二遍录音，并逐句进行跟读。（2分钟）3. 听力内容巩固训练。要求学生根据所听到的内容完成下列各句。完成后要求若干学生给出自己的答案。以巩固对听力内容的了解。（4分钟） The shoes with li

29、ghts are used for seeing in the dark. They were invented by Julie Thompson. This hot ice cream scoop is used for scooping out really cold ice cream. The shoes with adjustable heels are used for changing the style of your shoes.4、听录音填空Alex: Hi, Carol. Wow, what are those?Carol: Hello, Alex. Oh, these

30、 are some of the interesting that Im writing about for my English homework.Alex: I seeWhats that, then?Carol: Theyre shoes with . People use them for seeing in the dark when you get up at night.Alex: Oh, thats a cool idea! I always hit my toe on something on the way to the bathroom at night. Carol:

31、Next is a ice-cream scoop. This is my favorite invention. It runs on electricity and becomes hot.Alex: I know what its for! Its used for serving really cold ice-cream.Carol: Yes, thats right! The last invention Im going to write about is shoes with special . You can move the heels up and down.Alex: What