九上Unit4Topic1教案(教育精品)

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1、Unit 4 Amazing ScienceTopic 1 When was it invented?Section A. Teaching aims and demands 教学目标1. Learn some new words:metal, toothbrush, ink, recorder2. Learn some useful sentences: Whats it made of/from? Its made of/from3. Learn the simple past passive voice:(1)When was it developed?Around 1998. (2)W

2、here was it developed?It was developed in Korea.4. Learn how to express hopes and wishes:(1) I wish I could go into space some day.(2) I hope your dream will come true.5. Talk about new technology and inventions. . Teaching aids 教具火箭模型/牙刷/墨水/纸/录音机/小黑板/MP3/各种发明的图片/魔盒. Five-finger Teaching Plan Step 1

3、 Review T:Boys and girls, weve learned about the importance of computers. Can you tell me something about them?S1:Computers are used by doctors to find diseases easily.S2:Robots are controlled by computers to do dangerous work.S3:In business, computers are used to place and cancel orders.S4:Spaceshi

4、ps are mainly controlled by computers.T:Well done! But do you know how the spaceships are sent up from the ground into the space?S4:They are sent up by rockets. (帮助学生回答。)T:Look! This is a model rocket. Whats it made of? Whats it used for? Lets come to 1a and talk about it.Step 2 Presentation 1. T:(让

5、学生摸一摸火箭模型) Whats it made of?S1:Its made of “金属”.T:Yes, its made of metal.T:Do you know what a rocket is used for?Ss:Its used for sending spaceships into space.T:Yes, its used for sending spaceships or satellites into space.T: How do you say this in English, S2?S2:Sorry, I dont know.T:OK, it is a too

6、thbrush.T:(作刷牙的动作。) Its used for brushing teeth. Whats it made of, S2?S2:Its made of plastic.T:Very good! Youre right.be made of + 材料：表示原材料容易被看出。be made from + 材料：表示原材料经过化学变化，不易被看出。2. (让学生不要打开课本，听1a，回答下列问题，听后核对答案。)T:Dont open your books. Listen to the tape carefully and try to find out the answers t

7、o the questions.Step 3 Consolidation 巩固1a及be made of/from, be used for的用法。完成1b。1.Open the books, listen to the tape and read after it. Pay attention to the pronunciation and intonation.2. Boys and girls, lets find out the key words together, OK?3. (让学生认真阅读1b中的例子，然后让他们仿照例子用实物编对话，完成1b。)Step 4 Practice

8、 1. (继续操练be made of/from及be used for的用法。)T:(老师手指录音机问。) Boys and girls, whats this in English?Ss:We dont know.T:Its a recorder.T:Whats it used for?Ss:Its used for helping us to improve our English. (引导学生回答。)T:Yes, what is this? (从魔盒里拿出MP3。)Ss:Its an MP3 player.T:Yes, it was developed in Korea. Its mo

9、re useful than a recorder.was/were+及物动词的过去分词It was developed in Korea.The bridge was built in 1990.The cup was used in old days.T:(手举MP3。) When was it developed? And whats it used for? Lets listen to 2a.2. (放录音，听后核对答案。)T:S1, answer the questions, please!S1:The MP3 player was developed around 1998. I

10、ts used for helping us to improve our English. Its more useful than a recorder.3. Read 2a, and underline the key words.Step 5 Project 1. (收集各种发明的图片，如传真机、汽车、火车等等，学生可以在谈论自己感兴趣的发明中不断地使用was developed in / be made of / be used for这些目标语言。)2. T: Please write down a short passage about your favorite inventi

11、on in your exercise books.When was it invented?Section Abe made of When was it developed?be made from It was developed be used for Where was it developed? It was developed in Section B. Teaching aims and demands 教学目标1. Learn some new words:clone, experiment2. Go on learning the simple past passive v

12、oice:(1) Do you know when it was invented?(2) It was invented in 1879. 3. Learn some information about the clone technology.(1) Cloning is famous throughout the world.(2) There is DNA in most living things, including human beings.(3) No doubt cloning can help save those animals in danger.(4) And it

13、can also benefit human beings. Teaching aids 教具录音机/多媒体课件/图片. Five-finger Teaching Plan Step 1 Review 1. (用上节课的作业做一个链式游戏，以小组为单位，就计算机、MP3、CD、手机、数码相机或学习用具等进行对话，操练be made of / be made in / be made from / be used for的用法。让每一小组的第一个同学回过头去问下一位同学，依次接着往下问。)T:Boys and girls. Lets play a game. Ask questions one

14、by one. S1:Whats your favorite invention?S2:An MP3. Whats it made of?S3:Its made of steel and plastic. When was it developed?S4:It was developed around 1998. Whats it used for?S5:Its used for helping us to improve our English.2. (用多媒体出示图片，导入新课。)T:You did very well. There are many important technolog

15、ies and inventions in the world today. Look at this invention. (展示灯泡图片。)Its a bulb. Do you know about it?Ss:Yes, a little. T:OK, who invented it?Step 2 Presentation 1. (让学生听1a录音并根据听力内容判断正误。)T:In this lesson, we will learn something about other inventions and technologies, please listen to 1a and mar

16、k True (T) or False (F).2. (用图片继续谈论上述发明，引入3a。)T:Now lets go on talking about the inventions. Look at the picture! (出示收音机的图片。) Who invented it?T:Thats very good. Cloning is a famous experiment throughout the world. So far, scientists have cloned many animals to save those animals in danger. The cloni

17、ng technology has been used in human organs. It can benefit human beings.(板书并让学生掌握生词experiment；了解benefit和organ。)experiment, organ, benefitT:Then whats the name of the first cloned sheep?Ss:Dolly. T:Yes, now lets read 3a and answer the following questions.3. (指导学生阅读3a，回答下列问题并核对答案，为完成3b作铺垫。同时画出文中的关键词及

18、短语，为下一环节的课文复述作准备。)4. (让学生听3a并跟读，画出重点词组，教师板书。)T: Please listen to 3a and read after it. Find out the important phrases.Step 3 Consolidation 通过角色表演、复述等形式巩固1a和3a内容及一般过去时的被动语态。1. (两人一组分角色表演1a。)T:Please act out 1a in roles.2. (再读1a，完成1b。)3. (让学生再读3a并讨论3b中的问题，完成3b。)4. (指导学生用刚才自己所画的3a中的关键词，以接龙的方式复述3a。)T:Ju

19、st now, weve learned something about cloning. Can you say something about it?S1:Dolly, a cloned sheep.T:Yeah. Its well-known. S2:Cloning is known as a great experiment all over the world. T:Good!S3:Dolly was created in Scotland more than ten years ago. S4:So far, scientists have cloned rabbits, shee

20、p, cows, mice, pigs and some other animals.T:Excellent! Now, repeat what you have said just now one by one, and you will get the whole paragraph. Step 4 Practice 1. (利用1a中有关发明的图片，让学生用一般过去时的被动语态讲述三项发明的情况。)T:Now, look at the pictures and try to say something about the inventions we have learned just n

21、ow. (教师逐一呈现图片。)S1:The light bulb was invented by Thomas Edison in 1879. S2:The radio was invented by Guglielmo Marconi in 1895. S3:The airplane was invented by Wilbur and Orville Wright in 1903. 2. T: Boys and girls, do you want to know something about other inventions? Lets listen to the tape caref

22、ully and complete 2 on Page 87. T:Who was the car invented by?Ss:Karl Benz. T:When was it invented?Ss:In T:What about the telephone?3. (用多媒体展示一些图片，并要求学生用过去时的被动语态造句。巩固本课的语言点。完成4。)T: Make up sentences according to the example and practice more. Example:S4: Where were laptops invented?S5: They were inv

23、ented in Japan.S4: When were laptops invented?S5: They were invented in 1985.Step 5 Project 把学生分为几组，每个学生写下自己所知道的发明，由组长汇总，然后小组讨论，让学生课后发挥各自的想象力，设计一个实用的发明并介绍其用途、性能等，锻炼学生的探究能力。1.(组内调查后，让学生尽量用一般过去时的被动语态来描述搜集的发明及其发明者、发明时间、发明地、用途等，并由组长向全班作汇报。)Section C. Teaching aims and demands 教学目标1. Learn some new words

24、 and phrases:servant, for certain, housework, make a contribution to2. Learn some useful sentences: (1) No one knows for certain, but most people think that robots will be part of our lives. (2) In short, this robot is very useful to us.3. Discuss the advantages and disadvantages of robots. . Teachi

25、ng aids 教具录音机/图片/幻灯片. Five-finger Teaching Plan Step 1 Review 检查作业，然后以师生互动形式，复习一般过去时的被动语态。培养学生热爱科学的精神。1. T: Now Ill check up the homework of Section B and choose some students to report their results.2. T:Boys and girls, we have learned many inventions during the last period. Look at the table and m

26、ake dialogs like this:A:When was the car invented?B:It was invented in 1885.A:Who was the car invented by?B:It was invented by Karl Benz. Step 2 Presentation 1. (师生互动，导入新课。)T:We have learned many inventions such as computers, digital cameras, TV sets and light bulbs. Which invention do you like best

27、? Can you tell me?S1:Computers. S2:Cars. S3:T:Why do you like computers best, S1?S1:Because I can learn a lot on the computers. Playing computer games is very exciting. T:But you shouldnt spend too much time on them. It is bad for your study. Which invention would you like to own, S3?S3:Id like to o

28、wn a cellphone. It can help me communicate easily. T:Very good. Anyone else?S4:Id like to own a car. Its very convenient. T:With the robots help, doctors can examine the insides of their patients bodies. It has made a contribution to humans health.Ss:Thats very interesting.T:Yes. Study hard, and may

29、be you can invent something useful one day. T: Look! This is a robot. I treat it as my servant. Will it be friendly or unfriendly? No one knows for certain. for certainT: With the development of technology, maybe robots will think and act for themselves. They will no longer want to be our servants,

30、but our masters. Do you think it is very dangerous? Maybe there will be a war between robots and human beings. 2. T: Boys and girls, weve learned something about robots. And today well learn a passage about robots. First listen to the tape carefully and find out the key words and expressions.Step 3

31、Consolidation 1. (让学生再读1a, 分小组讨论1c中的问题。)T: Read the passage by yourselves and discuss the questions in 1c in groups. (把整个班级分成四个小组，每个小组选择并讨论其中一个问题。教师提问检查讨论结果。)T:Group 1, which question did you talk about?G1:Question 1. T:Do you think that robots will be part of our lives in the future?G1:Yes, we thin

32、k so. They can help us do some dangerous and hard work. They work fast and they are never tired. T:Group 2, what did you talk about?G2:We talked about Question 3. We dont think robots can think or act for themselves. Human beings created robots. So we can control them. Robots can work for human bein

33、gs, and they dont complain. They cant think for themselves. T:Maybe you are right. Now its your turn, Group 3. Whats your opinion?Step 4 Practice 1. (教师简单介绍解题方法，学生完成1b，师生一起核对答案。) T: OK. Please find out and circle the words in 1a according to the meanings in 1b. Then write them down. You can work in

34、pairs if necessary. Then well check the answers together.2. (播放2录音，让学生完成2。)T: Lets listen to the tape, and finish 2 by yourselves. Well listen to the passage twice. (听完后，核对答案。)答案：1. greatly2. medical3. health4. inside5. discovering6. effects(为了使学生加深对所听内容的理解，可以创设一些问题让学生回答。)Example:T: What is the X-ra

35、y machine used for?Ss: It is used for examining the inside of patients bodies. T: Why should it be used properly?Ss: Because it has some bad effects on our health.Step 5 Project 学生通过小组合作，设计一个机器人，并写一篇有关该机器人的文章。1. (学生四人一组，设计一个机器人。并讨论3中的五个问题，然后写一篇短文。)T: Boys and girls, work in groups of four. Design a

36、robot. Then discuss the questions in 3 together. These questions will help you write the passage.2. (教师提问一些学生做口头描述，对写短文可能遇到的问题进行提示，完成3。)T: Now, I will ask some of you to make a report. After that, write it down in your exercise books.3. Homework:Think it over and make a similar card for your robot.S

37、ection DThe main activities are 1a and 3. 本课重点活动是1a和3。. Teaching aims and demands 教学目标1. Learn a new phrase:run away2. Learn some useful sentences: (1) This method worked well at night as long as the weather was good and the stars could be seen. (2) To his surprise, he was caught by the police.3. Re

38、view the simple past passive voice.4. Talk about new technology GPS. Teaching aids 教具实物或图片/多媒体课件/录音机. Five-finger Teaching Plan Step 1 Review T:How are you, boys and girls?Ss:Fine, thank you. And you?T:Im very well. So far, we have learned something about the new technology and inventions in the wor

39、ld. Do you remember them all?Ss:Yes, we have learned the light bulb, the car, the cellphone, TV set, the digital camera, the MP3 Step 2 Presentation 1. (紧承上面的话题，以手机为切入点，导入新课。)T:Cellphones are widely used all over the world. Its reported that over 93% of families in cities own cellphones, but cellpho

40、nes could be lost easily. Have you watched the movie “A World without Thieves”?Ss:Yes.T:In the movie, a lot of cellphones were stolen by “Liu Dehua”. We all know that a thief would run away very quickly and then hide in a secret place as soon as he or she steals a cellphone. In the past, he or she c

41、ouldnt be found. But nowadays, one of the new technologies can be used to find the lost cellphones easily. Is it amazing? OK, lets read 1c and think about the question: Why the lost cellphones could be found easily now?T:Have you finished reading? Do you want to know the answer? Well, lets begin the

42、 new lesson.2. (播放多媒体，简单介绍GPS，让学生了解其意义，展示GPS的背景知识。)T: Look at the screen. GPS is short for the Global Positioning System.T: GPS is like man-made stars. We can use it at any time, in any place and in any weather to find out our position. The early explorers used the stars as landmarks to know where t

43、hey were and in which direction they were going. This method worked well at night as long as the weather was good. But it didnt work so well during the rest of the time.3. (播放1a录音。要求学生认真听录音并注意画出关键词。教师板书。)T: Boys and girls, just now I talked something about GPS. Now lets listen to the tape to learn a

44、 passage about GPS, please underline the key words. Step 3 Consolidation 1. (让学生阅读1a，然后讨论1b中的问题，四人一组完成1b。)T:Please read 1a carefully and discuss the questions in 1b in groups of four, then finish 1b.2. (根据板书的关键词来复述1a，分男、女两组以竞赛方式进行，激发学生的兴趣，熟悉所学的知识。)T:Boys and girls, lets begin our competition to rete

45、ll 1a. Question.Girls:That was a big question when we first explored our world long ago.T:Explorers.Boys:The early explorers found that the stars in the sky were good landmarks.T:Find out.3. (归纳总结，回应呈现部分，完成1c。)T:Now, we have known GPS very well. I think you have found out the answer to the question.

46、 S1, could you tell me why the police could catch the thief easily?S1:Because of GPS.T:Thats right. When the thief was using the cellphone, the police could use the information GPS offered to find out the position of the cellphone. So we can say it was GPS that helped the police catch the thief. S2,

47、 what do you think GPS will be used for in the future?Step 4 Practice 1. (让学生整理本话题的语言点、重点句型并放入自己的“百宝箱”。培养学生自主学习和归纳总结的能力。)2. (让学生听2a和2b的录音，并跟读。然后完成下面的练习。)T: Listen to 2a, 2b and read after them. Then finish the following exercises.(将下面的句子由主动语态变为被动语态，或者将被动语态转化为主动语态。)(1) I learned a lot of information

48、about spaceships from Mr Lee.(2) I was allowed to play computer games yesterday.(3) The digital camera was invented in 1975.(4) Guglielmo Marconi invented the radio in 1895.(5) Shenzhou was launched by China in 2005.3. (给出本话题中的功能意念句或其他重点句型，两人一组进行游戏。让一个学生说出一个句子的前一部分，另一个学生必须快速说出整个句子，然后交换角色。统计说完所有句子的时间

49、，时间最短的为优胜者。完成2b。)T:Boys and girls, lets play a game. I will give you some important sentences of this topic on the blackboard. You play the game in pairs. One says the front part of a sentence, the other says the whole sentence as quickly as possible. Then exchange the roles. Just like this:A:I wish

50、B:I wish I could go into space some day. Are you clear?Step 5 Project 学生小组合作，设计一个新发明，并画出来，完成3。培养学生合作与探究的精神。1. T: Look at Kangkangs invention and the information. Whats the name of his invention?Ss: Plar.T: Whats it used for?2. Homework:Search the Internet for more technologies and inventions. Share them with your classmates.When was it invented?Section Drun awayGPS: the Global Positioning SystemThis method worked well at night as long as the weather was good and the stars could be seen.