九年级英语上册 Unit 4 Amazing Science Topic 3 I don’t think aliens can be found in space 教案 仁爱版.doc

Topic 3 I dont think aliens can be found in space. Section AThe main activities are 1a and 2a. 本课重点活动是1a和2a。. Teaching aims and demands 教学目标1. Learn a new word:research2. Learn some useful sentences:(1) What fun!(2) I wont believe there are aliens until I see them with my own eyes.3. Learn the use of modal verb+be+P.P.: (1) We will be able to do anything that can be done on the earth. (2) But I dont think aliens can be found in space.4. Talk about flying to Mars, the outer space and something about the aliens. 5. Learn to express possibility and impossibility. Teaching aids 教具关键词卡片/图片/录音机/小黑板. Five-finger Teaching Plan 五指教学方案Step 1 Review 第一步 复习(时间:8分钟)复习巩固本单元Topic 2中所学重点句型和语法，提高学生综合语言运用能力。1. (复习巩固前面学过的有关现代科技及发明的重点句型，提高学生的口语表达能力。)T:Boys and girls, we have learned something about spaceships, satellites, cloning, robots, GPS and so on. The new technologies and inventions have improved our life greatly. Could you say something about them?Ss:Yes.T:OK. I made some cards with some key words on them. Each of you tries to say a sentence with the key words. Are you clear?Ss:Yes.T:OK, begin!(出示写有关键词的卡片。)(1) proved, made great progress, developing, space industry S1: They have proved that China has made great progress in developing its space industry.(2) spaceships, controlled, computers S2: Spaceships are mainly controlled by computers.2. (复习一般过去时的被动语态，导入新课，并呈现生词research。) (出示神五及嫦娥一号的图片。)T:When was Shenzhou launched, S3?S3:It was launched in 2003.T:When was Change launched, S4?S4:It was launched in 2007.T:Well done! They have proved that China has made great progress in developing its space industry. Is it right, S5?S5:Thats right. Im sure well send more spaceships into space.T:Of course we can. Maybe people will fly to Mars one day. Do you think it is magical?Ss:Yes, thats very exciting.T:Do you want to be an astronaut like Yang Liwei?S6:Yes. I hope that I can travel to the moon one day.T:Boys and girls, if you can be an astronaut in the future, you can do more research about space. But you should study hard now to make your dreams come true.(板书并要求学生掌握。)researchStep 2 Presentation 第二步 呈现(时间:12分钟)呈现1a，完成1b。培养学生的听说技能和阅读理解能力。1. (让学生听1a前讨论，以加深理解。)T: Boys and girls, I will ask you two questions before listening. Please discuss them in two minutes.(1) Do you think people will live on Mars in the future?(2) Do you believe there are aliens in space?(两分钟后，播放1a录音,让学生带着问题听, 培养学生听力技能。)T: OK. Lets listen to the dialog and answer the questions on the small blackboard.(出示小黑板。)(1) What are they going to do this Saturday evening?(2) Whats the movie about?(3) What can people do on Mars in that movie?T: Boys and girls, can you answer the questions?(核对答案。)2. (将学生分成两大组朗读1a，让学生画出关键词，再读一遍1a，完成1b。)T: Open your books. Girls act as Maria. Boys act as Kangkang. Read the dialog. After reading, find out the key words and phrases in it. Read it again and finish 1b. (板书)movie, life in space, exciting, travel, visit, do you think, live in space, houses, schools, hospitals, be able to do, wait(核对1b的答案。)3. (让学生找出对话中的新语法modal verb + be + P.P.，教师进行讲解并操练。)T: We have learned “is/am/are+P.P.” and “was/were+P.P.” Please find out sentences with modal verb + be + P.P.(教师板书并解释带有情态动词的被动语态结构。)We will be able to do anything that can be done on the earth.modal verb+be+P.P.(教师强调带有情态动词的被动语态结构并操练。)T:Boys and girls, Ill say a sentence in the active voice. You change it into the passive voice, OK?Ss:OK. T:We should clean our classroom every day. Ss:Our classroom should be cleaned by us every day. T:We must finish our homework on time. Ss:Our homework must be finished on time. T:I may put my book in your bag. Ss:My book may be put in your bag. T:Excellent. You did a good job. Step 3 Consolidation 第三步 巩固(时间:9分钟)巩固1a，呈现并完成2a和2b。进一步培养学生的听说技能和阅读理解能力。1. (让学生表演1a。)T: Boys and girls, can you act out the dialog?Ss: Yes. (学生表演后，教师给予鼓励。)2. (放2a录音，让学生带着问题去听。)T: We know Maria and Kangkang saw a wonderful movie about life in space. After seeing the movie, what are they talking about? Now lets listen to the tape and answer the questions on the small blackboard.(出示小黑板。解释生词并要求学生理解。)(1) What are they talking about?(2) How about the scientific research on aliens in America?(核对答案。)(板书并要求学生理解。)scientific3. (分组朗读2a，完成2b。)T: Boys act as Kangkang. Girls act as Maria. Please read the dialog aloud. After reading, please finish 2b. (核对答案。)4. (让学生再读对话，找出文中的难点，老师进行讲解。) T: Please read 2a again. Then try to find out the difficulties. (板书并讲解。)(1) I dont think aliens can be found in space.(2) I wont believe there are aliens until I see them with my own eyes.(核对2b问题的答案)Step 4 Practice 第四步 练习(时间:11分钟)巩固1a，2a，完成3。通过表演、复述等形式，让学生进一步巩固对1a和2a的理解，加强学生综合语言运用能力。1. (根据1a和2a，安排学生两人一组对话，准备两分钟，之后请至少3组同学表演。)T: Boys and girls, Dialog 1a and Dialog 2a can be acted out together. Now please prepare for two minutes, then act them out in pairs. (学生表演完，教师给予鼓励。)2. (教师提供对话中的关键词，让学生完成复述任务。)T:Now, I say the key words in the two dialogs. Can you retell the dialogs?Ss:Lets have a try. T:A wonderful movie. Ss:There will be a wonderful movie this Saturday evening. T:Life in space. Ss:Its a movie about life in space. T:Travel by spaceship. Ss:All the people travel by spaceship in the movie. T:Live in space. Ss:Kangkang thinks they will live in space one day. T:Houses, schools, hospitals.Ss:There will be houses, schools, hospitals and so on. T:Be able to. Ss:We will be able to do anything that can be done on the earth. T:Aliens. Ss:Kangkang doesnt believe there are aliens.T:Scientists. Ss:Some scientists think there are aliens. One American scientist thinks they have already been on the earth. T:In order to. Ss:They are reading on the Internet in order to learn about human culture. T:Wont until. Ss:Maria wont believe there are aliens until she sees them with her own eyes. T:Great. You did very well. After class you should recite the two dialogs. OK?Ss:OK. 3. (让学生完成3，初步掌握含有情态动词的被动语态的用法。)T: Boys and girls, finish 3. Match the two columns to make sentences. Pay attention to the new grammar “modal verb + be + P.P.”(核对答案。)4. (用适当的词完成下列句子。)(1) The letter yesterday. 信是昨天写的。(2) The book into many languages since it was published. 这本书出版后被翻译成多种语言。(3) This work at once. 这项工作必须立即完成。(4) This book into many foreign languages. 这本书应该译成多国文字。(核对答案。)(1) was written (2) has been translated (3) must be done (4) should be translatedStep 5 Project 第五步 综合探究活动(时间:5分钟)让学生写观后感，并搜集更多有关外星人和火星的知识，巩固本节课所学内容，并为下节课的学习做好铺垫。1. Work in groups. Collect information about aliens and Mars. Share it in groups to get ready for the next section. You can begin your project by asking“How much do you know about aliens/Mars?”2. Homework. (1) Recite 1a and 2a.(2) Suppose you are Maria. Please write another diary after watching the movie about aliens.板书设计：I dont think aliens can be found in space.Section Asee sb./sth. with ones own eyesmodal verb + be + past participleWe will be able to do anything that can be done on the earth.But I dont think aliens can be found in space.Section BThe 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 some new words and a phrase:basic, coach, be based on2. Learn a useful sentence: Sometimes I want to be a dancer, but I think Im going to be a scientist in the future.3. Consolidate the use of modal verb+be+P.P.:(1) I believe more and more things will be discovered in the future. (2) The watch should be repaired first.(3) The trees should be watered at once. 4. Talk about flying to Mars and the outer space. . Teaching aids 教具录音机/小黑板/磁带. Five-finger Teaching Plan 五指教学方案Step 1 Review 第一步 复习(时间:10分钟)复习含有情态动词的被动语态，并呈现部分生词，导入新课。1. (以男、女两组竞赛的方式复习含有情态动词的被动语态。由教师说出一个动词，同学们用这个动词去造一个含有情态动词的被动语态的句子。看哪组说得又快又准确。)T:OK. Lets have a competition between boys and girls. I say a verb, and you make a sentence with this verb. You must use “modal verb+be+past participle”. Do you understand?Ss:Yes. T:For example. I say“water”. You should say it like this:“The flowers must be watered every day. ”OK, lets begin. Protect.Girls:Our environment should be protected well. T:Clean. Boys:The blackboard must be cleaned after class. T:Look after well. Girls:The young trees should be looked after well. T:Speak. Girls:English should be spoken in our English class. T:Plant. Boys:More and more trees should be planted. T:Invent. Girls:Many useful things will be invented in the future. T:Excellent. You did very well. Girls did better than boys. Congratulations! (鼓掌。)2. (提问关于太空和人类对太空研究的一些问题。加深对含有情态动词的被动语态结构的变化及用法的认识，导入并呈现部分生词。)T:What movie did Kangkang and Maria watch that day?S1:They watched a movie about the life in space. T:Does Kangkang believe there are aliens?S2:No, he doesnt believe it. T:And you? Do you believe there are aliens?S3:No, I dont believe it, because they havent been seen in our daily life. (很有可能出现不同意见，那样就更有利于进一步复习提问。)S4:Mr./Miss, I believe there are aliens because there are a large number of stars in space. There must be a star like our planet.T:I agree with you. We all wonder if there are aliens in space, but what can be done to find out whether there are aliens in space or not?S5:Satellites and spaceships should be sent up. S6:Other planets may be visited. S7:More scientific research should be done.T:Good idea. If people do more scientific research, I believe more and more unknown things will be discovered in the future. I really admire the astronauts. They can travel to space and discover something new about planets. To tell you the truth, when I was a child, I wanted to be an astronaut. What are you going to be when you grow up?S8:Id like to be a scientist.T:So you need to learn a lot of knowledge and master some basic computer skills. What are you going to be in the future, S9?S9:I want to be a basketball player in NBA.T:So you need a good coach and more training. S10, what about you?S10: Id like to be a football coach and help our national team make great progress.T:Very good. Im glad to hear that you all have good dreams. I hope your dreams will come true. Now, lets see what Maria and Kangkang want to be when they grow up. (板书，讲解并要求掌握basic和coach；理解admire。)admirebasiccoachStep 2 Presentation 第二步 呈现(时间:10分钟)呈现1a。培养学生的听说技能。1. (让学生听1a录音，然后回答问题。)T: Listen carefully and find out the answers to the two questions on the small blackboard:(出示小黑板。)(1) What is Kangkang going to be when he grows up?(2) What about Maria?(核对答案。)2. (让学生分组朗读, 女孩读Maria, 男孩读Kangkang。读后让学生自己设计问题，并互相问答。)T: Read the dialog in groups. Girls act as Maria. Boys act as Kangkang. After reading, talk about it by asking and answering questions in pairs.(读后，给学生三分钟时间准备。)S1: Has Maria heard the news about the space flight to Mars?S2: No, she hasnt. S3: Who will take part in the space flight?S4: The astronauts from China, the United States and Russia. S5: Why will the astronauts travel to space?S6: They want to discover something new about Mars. S7: What is Kangkang going to be when he grows up?S8: He wants to be an astronaut. S9: Which subject does Maria prefer?S10: She prefers science to dance. S11: So what is Marias dream?S12: She wants to be a scientist in the future. (学生回答问题时，教师记录下1a中的关键词并板书。)news, take part in, astronauts, travel, admire, grow, cool, basic, dancer, perform, prefer, favorite, believe, come trueStep 3 Consolidation 第三步 巩固(时间:10分钟)巩固1a，完成1b。进一步培养学生的阅读理解能力及综合语言运用能力。1. (让学生一起朗读1a对话，然后根据对话中的关键词进行表演。活跃课堂气氛，熟悉对话内容。)T: Now read the dialog between Kangkang and Maria. Then act it out with the help of the key words and phrases. (学生可以练习两遍。)T: Who can perform the dialog in front of the class?(让两组学生上台表演，点评鼓励。) 2. (让学生完成1b。)T: Complete the sentences in 1b according to 1a. Pay attention to the grammar “modal verb+be+P.P.”(学生做完后核对答案。)Step 4 Practice 第四步 练习(时间:10分钟)完成2和3。进一步培养学生的听说技能和阅读技能。1. (播放2录音，让学生完成2。)T: Lets listen to the conversations and put the problems in the correct order. Then listen again and complete the sentences.(学生做完后，师生一起核对答案。)2. (播放时间机器的主题曲，导入3。)T:Boys and girls, is this piece of music beautiful?Ss:Yes.T:I like it very much. It is from the film “The Time Machine”. The film is based on a science fiction.(板书并要求学生掌握be based on，理解base和science fiction。)base be based onscience fictionT: I like watching the science fiction movies. I think they are very exciting and interesting. Do you think so? Ss:Yes. We all like watching them.T:OK, lets look at 3. Here are three famous movies. The first one is the film I just mentioned. Now, please read 3 carefully and try to understand them. Five minutes later, you will be asked to retell the three stories with your own words.(五分钟后。)T:Have you finished yet?Ss:Yes.T:Who is the volunteer to say something about “The Time Machine”?S1:Let me have a try. T:The second one?S2:T:The third one?S3:T:Excellent. You did a good job! If Michael is interested in aliens, which one should he choose, S4?S4:E.T.T:Right! Now lets discuss in groups and list more science fiction movies.(小组讨论，完成3。)Step 5 Project 第五步 综合探究活动(时间:5分钟)让学生对本单元的话题和语言知识进行综合探究活动，激励学生树立远大理想，打下扎实基础，努力实现人生价值。1. (教师引导学生根据本单元的话题和语言知识，收集关于太空的信息，并互相交流。)T:We have known that China will take part in the space flight to Mars. The space industry has become the focus of our society. What have we done to study the universe? Say something you know. S1:Shenzhou V was sent into space in 2003. Yang Liwei was the first astronaut to travel in spaceship in China. S2: Fei Junlong and Nie Haisheng traveled in Shenzhou VI in 2005. S3: China sent up the first lunar probeChange.T:Thank you for telling me so much about it. Please look for more information on the Internet or in the books about space. Write it down on a piece of paper. Then we can exchange information with each other.2. Homework:Write a passage about dreams.板书设计：I dont think aliens can be found in space.Section Bbe based onscience fictionSometimes I want to be a dancer, but I think Im going to be a scientist in the future.I believe more and more things will be discovered in the future. Section CThe main activity is 1a. 本课重点活动是1a。. Teaching aims and demands 教学目标1. Learn a new words:storm2. Learn some useful sentences: (1) Its diameter is 53% as wide as that of the earth.(2) It has been two days since we landed on Mars.(3) It is six weeks since we had a proper shower.3. Learn something more abo