《unit 4 topic 3 what do you know about mars 教案6（仁爱版九年级上）》由会员分享，可在线阅读，更多相关《unit 4 topic 3 what do you know about mars 教案6（仁爱版九年级上）（4页珍藏版）》请在金锄头文库上搜索。
1、 The main activities are 1a and 3a. 本课重点活动是1a和3a。. Teaching aims and demands 教学目标1. Learn the new words and expressions:storm, search, dry, base on Its diameter is 53% as long as that of the earth.2. Review the passive voice. 3. Learn something more about Mars. . Teaching aids 教具录音机/音乐磁带/火星和罗马战神的图片/
2、听力任务幻灯片/多媒体. Five-finger Teaching Plan 五指教学方案Step 1 Review 第一步 复习(时间:10分钟)1. (师生共同谈论理想，并探讨火星等太空知识，导入新课。)T:Morning, boys and girls!Ss:Good morning, sir/madam!T:What are you going to be when you grow up, S1?S1:Id like to be a teacher.T:A good job. What about you, S2?S2:I want to be an astronaut. I can
3、 travel to space by spaceship and discover something new about space.T:What a great dream! Our country has launched two manned spaceships. In 2007, we sent up our countrys first lunar probe. In the future, the astronauts from China will fly to Mars to explore it. Do you know anything about Mars?Ss:N
4、o.T:OK, lets learn it from Section C.2. (出示火星及罗马战神的图片，简单介绍火星，呈现部分生词。)T: (指着火星图片。) This is a picture of Mars. It is the fourth planet from the sun in the solar system. It is named after Mars, the Roman god of war. It is much smaller than the earth. Its diameter is half of the earths.(板书并解释。)solar sys
5、temRoman adj.diameter n.T:Do you want to know something more about Mars?Ss:Yes.T:OK, please read 1a quickly. Guess the meanings of the other new words and grasp the main idea of the text.(三分钟后，板书并解释生词，要求掌握search, storm。)storm n.gravity n.search n./v.search forStep 2 Presentation 第二步 呈现(时间:8分钟)1. (让学
6、生在初步了解文章大意的基础上，听1a录音，设置听力任务，提高学生听的能力。)T:Just now, we read the text quickly. Have you known its idea very well?Ss:No.T:OK, lets listen to the tape, but please keep your books closed. You should try your best to catch what you are listening to and answer the questions on the screen using the sentences
7、 in 1a.(幻灯片出示听力任务。)(1) Whats reported?(2) What does Mars look like?(3) Whats the weather like on Mars?(4) Compare the gravity on Mars with that on the earth.(5) Whats the temperature on Mars?(6) How far is Mars from the sun?(让学生听后两人一组核对答案。)2. (让学生细读1a，找出文中的疑难，完成1b。提高学生的阅读能力。)T: Boys and girls, pleas
8、e read 1a carefully. Find out the difficulties and important expressions. Finish 1b.(三分钟后，板书学生提出的疑难点，分析并讲解。)Its reported that.at a distance of(核对1b答案。)Step 3 Consolidation 第三步 巩固(时间:10分钟)1. (让学生找出文中关键词并复述1a，加深理解，提高表达能力。)T: Please retell the passage according to the key words on the blackboard. I wil
9、l say a key word. You make sentences together, OK?Ss: OK. (板书关键词)reported, fourth, named, diameter, distance, tell, because, ball, storms, gravity, temperature,oxygen, eight month, closest, searching forT: reportedSs: It was reported that China plans to take part in an international flight to explor
10、e Mars. T: Good. fourth.Ss: Mars is the fourth planet from the sun in our solar system.T: named.Ss: It is named after Mars, the Roman god of war.T:2. (出示幻灯片，完成对火星的介绍，巩固1a内容。) Mars, the planet of the solar system, goes around at a of about 228 million kilometers. Its is 53% as long as that of the ear
11、th. It looks like a and ball. Its very beautiful. But during and , strong can cover the whole of Mars. The gravity on the surface of it is about as as it is on the earth. It is very cold and dry there.(指导学生完成后，板书，讲解并要求掌握dry。)dry adj./v. Step 4 Practice 第四步 练习(时间:10分钟)1. (两人一组讨论2中的问题，并安排两或三组同学汇报。培养学生
12、自主学习和创新能力。)T: We learned a lot from 1a about Mars just now. Please discuss the following crazy questions with your partner. Then ask and answer in pairs. After that Ill ask two or three groups to give us a report.1. Does Mars have a good climate for plants?2. Is Mars a useful place to dry fruit?3. I
13、s Mars a good place for human beings to live?4. Is Mars a comfortable place for heavy people?T: Boys and girls, have you finished your discussion? S1 and S2 , please?S3: Does Mars have a good climate for plants?S4: Of course not. Thats impossible. S3: Why?S4: Because the temperature on Mars is betwe
14、en -138and 28. S3: Oh, I see. Is Mars a useful place to dry fruit?S4: No, I dont think so. S3: Is Mars a good place for human beings to live?S4: No, because it is too cold for people to live on. S3: The last question. Is Mars a comfortable place for heavy people?S4: I dont think so. Although the hea
15、vy people will be lighter on Mars, its also not a comfortable place for them to live on. Do you agree with me?S3: Yes, I think so. (再让一组同学讨论，教师对这两组同学的表现作个比较，并鼓励赞扬。)T: OK. Both of the two pairs are excellent. 2. (播放时间机器的主题曲，导入3a。)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，解释。)base onscience fictionI like watching the science fiction movies. I think they are ve
