九年级英语上册 Unit 4 Topic 3 We will live in space one day Section D教案 仁爱版

1、九年级上仁爱版英语Unit 4 Topic 3 We will live in space one day Section D教案The main activities are 1a and 4. 本课重点活动是1a和4。. Teaching aims and demands 教学目标1. Learn the new words and useful phrase:beyond, separate, hand in2. Review the use of “modal verb + be + p.p.”.3. Talk about our planet and living things on

2、 other planets. . Teaching aids 教具录音机/多媒体课件/教学挂图/幻灯片 . Five-finger Teaching Plan 五指教学方案Step 1 Review 第一步 复习(时间:13分钟)1. (多媒体展示一些图片，学生们根据图片内容造句，该句子必须是“情态动词+被动语态结构”，复习本单元语法。)T: Hello! Boys and girls, in this topic we have learned a new grammar, the passive voice with modal verb. Now, lets look at the s

3、creen. Say some sentences according to the pictures. Please remember that you should use “modal verb + be + P.P.”. Do you understand?Ss: Yes. T: (多媒体呈现一个很脏的教室。) Here is a classroom. S1, can you?S1: Yes. The classroom should be cleaned every day. T: Good. Lets look at next one. (呈现一幅环境污染图片。)S2, pleas

4、e?S2: The environment must be protected by us. T: Excellent. Next one. (呈现一辆坏了的自行车。)S3, you please!S3: The bike should be repaired. T: Good. Next.(展现一个小孩用脏兮兮的手在吃苹果的图片。)Who can make a sentence?S4, can you? S4: Her hands should be kept separate from the apple.T: Very good. Lets look at next one. (呈现一片

5、被砍伐的树林。)S5: The trees shouldnt be cut down by people. T: OK, next. (展现科学家们正在认真做研究的图片。)S6: Scientific research must be done carefully. T: You did very well. Have you mastered the new grammar?SS: Yes. (板书并要求掌握separate)separate adj./v.2. (多媒体制作一个动漫的声音。让学生判断波利说的关于上一节课学过的火星的内容是否正确。激发学生的兴趣，达到复习的目的。)T: Boy

6、s and girls. Weve learned something about Mars. Do you still remember?Ss: Yes. T: Lets listen to what Polly says. Are her expressions of Mars right or wrong?Polly: Mars goes around the earth at a distance of about 228 million kilometres. Ss: No, you are wrong. Polly: It is one fourth as big as the e

7、arth. Ss: No, its about half as big as the earth.Polly: Mars looks like a red and black ball. Ss: No, it looks like a red and orange ball. Polly: It is very beautiful. Ss: Yes. Polly: A person weighs 120 kilos on earth, but only weighs 48 kilos on Mars. Ss: Yes, you are right. Polly: The temperature

8、 on Mars is between -120 and 20. Ss: No, its between -138 and 28. Polly: It takes a spaceship from the earth about eight years to reach Mars when the two planets are closest to each other. Ss: No, eight months, not eight years. T: OK, boys and girls, you did very well. It seems that you have mastere

9、d the passage very well. Congratulations!3. (出示教学挂图太阳系，让学生们从感官上认识太阳系，教师导入新课。)T: Boys and girls, just now we talked about Mars. As we know, Mars is the fourth planet from the sun in the solar system. Do you know how many planets there are in the solar system?Ss:Yes. There are eight.T:Right. The solar

10、 system is like the home of the eight planets. Our planet, the earth, is the third planet from the sun. However, the solar system is a small part of the universe.(板书并释义。)universe n. 宇宙The solar system is a small part of the universe.Scientists have sent up spaceships to explore other planets in the

11、solar system. Whats more, some spaceships have gone beyond the solar system. (板书，讲解并要求掌握beyond。)beyond prep.Some spaceships have gone beyond the solar system.Scientists will do more research about the space. So boys and girls, you must study hard. Then you can do something useful to help research th

12、e space one day. Do you think so?Ss: Yes, we will study hard. T: OK. Next, lets read the text to learn more about the solar system. Step 2 Presentation 第二步 呈现(时间:8分钟)1. (学生打开课本，听1a录音并跟读，回答下列问题。)T: Boys and girls, lets listen to the tape. Read after it, then answer the following questions:(幻灯出示问题。)(1

13、) Has anybody found life on other planets?(2) Whats called the solar system?(学生听后回答问题，教师核对答案，必要时可再放一遍录音。)2. (让学生读1a, 选出恰当的标题。然后完成1b。)T: You read 1a again. Choose the best title of the passage, then finish 1b。(学生完成后，核对答案。)T: Now, which one would you like to choose?Ss: Is there anyone out there?T: Yes

14、, good. Now look at 1b. Who can match the pictures with their names according to 1a? S7: (B) the solar system(D) the earth(A) the universe(C) the sunT: OK, you did very well. Step 3 Consolidation 第三步 巩固(时间:8分钟)1. (学生再读1a，教师板书本课关键词和短语。)T: Boys and girls, lets find out the key words and phrases of the

15、 passage. (板书)life, millions of years, on other planets, the earth, seven, the solar system, universe, launch, beyond, discover, message, information, alone2. (根据板书的关键词，引导学生复述课文。)T: Look at the key words and phrases on the blackboard. Can you retell the text?Ss: Lets have a try. T: OK. life, million

16、s of years. Ss: There has been life on the earth for millions of years. T: on other planets. Ss: We havent found life on other planets yet. T: the earth. Ss: The earth goes around the sun. T: seven. Ss: There are seven other planets that also go around the sun. T: the solar system, universe. Ss: The

17、 solar system is a small part of the universe. T: launch. Ss: Scientists have launched many spaceships to explore other planets in the solar system. T: beyond. Ss: Some spaceships have gone beyond the solar system. T: discover. Ss: However, no one has discovered any life in space yet. T: message. Ss

18、: Why has no one from other planets sent us a message?T: information. Ss: Have they tried to send information to us?T: alone. Ss: Are we alone, or is there life on other planets in space?T: Good. You did very well. After class you should read the passage again and again until you understand it well.

19、Step 4 Practice 第四步 练习(时间:10分钟) (通过本话题内容的拓展，复习总结本话题语法。)1. T: There are so many planets in space. But no one knows if there is life on other planets. Scientists dont know. We dont know, either. But do you want to discover the secret?Ss: Yes, we do. T: So what can be done to find out the truth?S8: Mor

20、e satellites must be sent into space. S9: More scientific research should be done. S10: Other planets may be visited in the future. (学生会有许多奇思妙想，要允许他们大胆表达，但及时提醒他们用情态动词+被动语态的句型结构，然后总结他们的回答或及时记录其中相关的句子，板书后总结语法。)More satellites must be sent into space. More scientific research should be done. Other plan

21、ets may be visited in the future. modal verb + be + P.P.2. T: Now, please change the following sentences into the passive voice. Dont forget the modal verbs, and put them in the right places. (1) We can see many stars in the sky on a fine evening. (2) You may find life on other planets one day. (3)

22、They must record their daily life in the spaceship. (4) We should study the universe carefully. (5) The human beings mustnt throw garbage into space. (板书以上句子，挑选学生在黑板上做改写练习。其他学生同时在练习本上做。)(1)We can see many stars in the sky on a fine evening. Many stars can be seen in the sky on a fine evening. (2)You

23、 may find life on other planets one day. Life may be found on other planets one day. (3)They must record their daily life in the spaceship. Their daily life in the spaceship must be recorded. (4)We should study the universe carefully. The universe should be studied carefully. (5)The human beings mus

24、tnt throw garbage into space. Garbage mustnt be thrown into space. 3. 复习本话题的语法重点和重要句型。完成3a和3b。Step 5 Project 第五步 综合探究活动(时间:6分钟)1. A Space and Science Quiz Show!(1)Work in groups of four or five. Each student write one or two quiz questions on space or science. (You may need to do some research first. )Write th