九年级英语上册《Unit 4 Amazing Science》Topic3 SectionA 教案 仁爱版

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1、九年级英语上册Unit 4 Amazing ScienceTopic3 SectionA 教案 仁爱版The 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 v

2、erb+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 expressing possibility and impossibility. Teaching aids 教具关键词卡片图片录音机小黑板. Five-finger

3、 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，提高学生综合运用语言的能力。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 and GPS. The new technologies and inventions have improved our life greatly. Coul

4、d 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

5、progress in developing its space industry.(2) spaceships, controlled, puters S2: Spaceships are mainly controlled by puters.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 xx.T:When was Change launched, S4?S4:It was launched in xx.T:Well do

6、ne! 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

7、 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 e 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

8、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, 提高学生的听力水平。)T: OK. Lets listen to t

9、he 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) Is it a movie about aliens?(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 you

10、r 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 once again and finish 1b. (板书)movie, life in space, exciting, travel, visit, Mars, live in space, houses, schools, hospitals, anything, wait(核对1b的答案。)3. (让学生找出对话中的新语法m

11、odal 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。)T:Boys and girls, Ill say a sentence

12、 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

13、 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

14、 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 Kan

15、gkang. 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，找出文中的重难点并进行讲解。) 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

16、 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2c。通过表演、复述等形式，让学生进一步巩固对1a和2a的理解，加强学生综合运用语言的能力。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

17、。)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 trav

18、el 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 t

19、here 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 th

20、em 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2c，初步掌握含有情态动词的被动语态的用法。)T: Boys and girls, finish 2c. Match the two columns to make sentences. Pay attention to the new grammar “modal verb + be + P.P.”(核对答案。)Step 5 Project 第五步 综合探究活动(

21、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 ar

22、e 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.