外研版 八年级下册
Module 3 Journey to space
Unit 2 We have not found life on any other planets yet.
教学设计
课型：读写课
【学习目标】
知识目标：掌握下列重点单词的意思及用法：none, environment, solar, system, group, galaxy, universe, light, impossible, out, communicate
掌握下列重点短语的意思及用法：hundreds of millions of… solar system, in the universe, far enough, in space, go around the sun, be called, billions of, communicate with, none of…
2. 能力目标: 能够读懂以太空为主题的文章；能够总结本篇课文；能够叙述太空知识及太空领域的成就, 进一步加强对现在完成时的理解。
3．情感目标：培养对天文知识的兴趣和对未知事物的探索精神；了解中国在太空领域取得的伟大成就，增强民族意识和民族自豪感。
【教学重难点】
1.重点句式：However, we have not found life on any other planets yet.
Scientists have also discovered many other galaxies in the universe.
难点：现在完成时与一般过去时的区别及灵活运用；already, just, yet在现在完成时中的应用。
【教学器材】多媒体信息技术
【教学过程】Teaching and learning procedures
Step 1 Lead-in 导入
T（教师活动）
Ss（学生活动）
Purpose（设计意图）
●展示一段视频：Wonders of the universe (宇宙奇观)
●观看视频。
●激发学生的学习兴趣，创设情境，明确本课学习的话题。
●展示多张PPT图片，
●观看PPT图片，展开头脑风暴活动，扩充关于太空的词汇。
●弥补图示信息不足，为学习本课做好词汇上的准备。
●适当引导学生结合Activity 1讨论航天领域所取得的成就。
●小组讨论关于航天领域的的话题，比如“神州九号”，并向全班汇报讨论结果。
●增强学生的话题意识，弥补信息不足，扩充词汇，为阅读理解做准备。
Step2. Reading and speaking. 读写过程。多层阅读 自主完成，合作释疑。
T（教师活动）
Ss（学生活动）
Purpose（设计意图）
快速读
●1. 略读：目的性泛读—快速阅读，给文章选出最佳标题。 (要求采用跳跃式的默读方法，搜寻相关信息)
让学生快速阅读课文给课文选择一个最佳标题，并反馈选择标题的依据。
1）Read the passage and choose the best title for it.
1. Anyone out there?
2. Life on the earth
3. The sun and other stars
4. The stars at night
2）你认为文章通过哪一句话引出主题？
Read Para 1 together.
●快速阅读课文并完成任务。
培养学生的整体理解能力和概括推理能力，整体感知课文。
二细读
●让学生仔细阅读课文，
1. Read Para 2&3 and answer the question:
Why haven’t we found life on seven other plants ?
Learn about the environment and the universe.
Can you describe the universe? Discuss in groups of four.
2. Read Para 4 and find out:
What have scientists done on space travel?
1)Scientists have sent ________ to __________
to take photos.
2)Scientist have even sent spaceships to travel
______________________.
Read Para 5 and answer the questions.
1.Have scientists received many messages from
the space?
2.Is there life out the solar system in space?
● 仔细阅读课文，理解细节，完成任务。
两人一组展开讨论。
培养学生的细节理解判断，推理和逻辑能力。真正理解课文。并且培养学生乐于合作的意识。
细读
●让学生深度阅读课文并完成任务。
Task. 1 Learn about the universe. Put them in order. (from large to small)
galaxy planet solar system star universe
Task 2 Discuss and describe the universe.
Check：
Check(√) the true sentences.
1. The earth is a star.
2. The sun is a star.
3. There is more than one galaxy in the universe.
4. The light from the stars in other galaxies has travelled for a long time to reach us.
5. Spaceships have visited most of the universe.
● 再次仔细阅读课文并完成两项任务。可采用小组合作完成。
完成对太空知识的理解，并根据图表提示完成对知识的输出，培养知识输出的能力。
总结
Summary
●让学生根据提示总结课文。给出框架。
The earth：There has been _____on it for ______________________years.
Seven other planets：
There is no_____ on them.
___________ has an ___________like that of the earth
They have __________many galaxies.
Scientists：
Scientists have sent_________to Mars and even_______________________ We haven’t _____ any life on other planets and no one has________________ with us yet.
●结合课文，理解短文，并完成填空。可小组合作完成。
●加强对课文的理解，培养总结课文的能力。
Step 3 知识点总结。
T（教师活动）
Ss（学生活动）
Purpose（设计意图）
● 让学生找出文章中运用现在完成时的句子，并引导学生理解体会运用现在完成时的意义。
●找出并理解太空领域已取得的成就。
●进一步加强对现在完成时的理解。
Step 4 Writing. 写作。
1. 完成课本写作第一部分。Look at the picture from a science story for children and answer the questions. 根据提示回答问题。
1. Where has the spaceship landed? (Mars)
2. What has the spaceship discovered? (people on Mars)
3. Why have the people on Mars not sent us a message? (do not know how to)
4. Why have the people on Mars not visited us on the earth? (do not know how to)
2. 结合第一部分问题和图片展开想象，写关于火星的作文。小组合作完成，并展示优秀作文。Write a passage to describe the picture. Use your answers to the questions in Activity 5 to help you.
课件39张PPT。外研版英语八年级下册
Module 3 Journey to space
Unit 2 We haven’t found any other
planet yet.
学习目标1.熟记重点单词：none, environment, solar, system, group, galaxy, universe, light, impossible, out, communicate
2.掌握重点短语:hundreds of millions of…
solar system, in the universe, far enough, in space,
go around the sun, be called, have to,
communicate with
3.掌握重点句型：However, we have not found life on any other planets yet.
Scientists have also discovered many other galaxies in the universe. Unit 2 We haven't found life on other planets yet.Module 3International space stationAstronauts are working at the space station. By manned spaceship How do people travel to space?Armstrong, the first man to the moon in 1961.How much do you know about China Space?
Yang Liwei was called “China’s first astronaut”. He orbited the Earth 14 timesChina space stationLook at the picture and talk about what you know about Chinese spaceships.
Shenzhou-9 is a manned spaceship.Work in pairsWhen did we send it?
Where did we send it?
How long did it stay in space?
Who are the astronauts?
What did the astronauts do? On June 16th 2012.
Jiuquan, Gansu Province.
Thirteen days.
Liu Yang, Jing Haipeng, Liu Wang
They connected Shenzhou-9 with Tiangong-1.Read the passage and choose the best title for it.
1. Anyone out there?
2. Life on the earth
3. The sun and other stars
4. The stars at night √ Fast- readingHow do you know that? Let’s read Para 1 together.There has been life on the earth for hundreds
of millions of years.However, have we found life on any other planet yet？Why not？Read Para 2&3 and answer the question:
Why haven’t we found life on seven other plants ?Because, none of the other seven planets in our solar system has an environment like that of the earth.Careful-Reading:The sun and its planets are called the
___________.eight planetssolar systemlifeNone of the other seven planets in our solar system has an environment like that of the earth.MarsIt is a beautiful red planet.We haven’t found air and any water on Mars.
These are very important to life. So… Scientists do not think they will find life on the other seven planets of our solar system.lifeno lifeLearn about the universe.Put them in order. (large small)galaxy planet solar system star universeuniversegalaxysolar systemstarplanetIt is impossible to imagine…
Scientists have discovered…The galaxy is a…Can you describe the universe? Discuss in groups of four. 四人一组讨论。…are called… Our solar system is … There are…, and our sun is…Read Para 4 and find out:
What have scientists done on space travel?Scientists have sent ________ to __________
to take photos.Scientist have even sent spaceships to travel
______________________.spaceshipsplanet Marsoutside the solar system There are billions of stars in the Galaxy.
Have spaceships traveled far enough to reach
other stars in our Galaxy?Other stars in our galaxy is so far that no
spaceship can reach them. Read Para 5 and answer the questions.1.Have scientists received many messages from
the space?No, they haven’t.2.Is there life out the solar system in space? We do not know the answers…yet.√×1. The earth is a star.
2. The sun is a star.
3. There is more than one galaxy in the universe.
4. The light from the stars in other galaxies has travelled for a long time to reach us.
5. Spaceships have visited most of the universe.√√×Test Check(√) the true sentences. planet partThe earthSeven other planets There is no_____ on them.
___________ has an ___________like that of the earth.There has been _____on it for ______________________years.ScientistsThey have __________many galaxies.
Scientists have sent_________to Mars and even_______________________.We haven’t _____ any life on other planets and no one has________________ with us yet.Summary: Space Exploration(探索).hundreds of millions oflifeNone of themenvironmentdiscoveredspaceshipsoutside the solar systemfoundcommunicatedlifeWritingLook at the picture and write a story.Scientists have just received a message from one of our spaceships…Where has the spaceship landed? (Mars)
2. What has the spaceship discovered? (people on Mars)
3. Why have the people on Mars not sent us a message? (do not know how to)
4. Why have the people on Mars not visited us on the earth? (do not know how to)
★We’ve just received a message from one of our spaceships to Mars…Use your answers to the questions to help you finish your writing.Possible answer:We have just received a message from our spaceship to Mars. Our spaceship has discovered people there. The people look very friendly. However, they have never sent us a message because they don’t know how to communicate with us. They have not visited the earth because they don’t know how to fly to our planet, and they enjoy life on Mars. They have used parts from the other spaceships from the earth to make TVs, radios, etc. We hope they will visit the earth some day.Homework
Finish your writing and hand in tomorrow.测评练习一．【复习检测】
Ⅰ. 根据句意及汉语提示完成单词。
1. It’s our duty to protect our (环境) well.
2. No one knows exactly how large the_________ (宇宙) is.
3. You should (交流) with your parents more often.
4. How many (组) are there in your class?
5. The (系统) can translate English into Chinese. Ⅱ. 根据句意，从方框中选出适当的介词或副词填空。 1. Have scientists discovered any life _______ other planets?
2. It’s not polite to shout at your mother_______ that. Say sorry to her.
3. They have stayed in Beijing a few months.
4. Our team has won. Let me send a message____ Tony.
5. Today is my birthday. We’ll go to celebrate it.Ⅲ. 从括号内选出一个合适的词语完成句子。
1. I went to the concert last night. My five (other/others) friends went, too.
2. There are three books but Li Lei likes (no one/none) of them.
3. The weather in Shenzhen is different from (that/it) in Heilongjiang.
4. It’s (possible/impossible) for the boy to finish the work. He needs help.
5. Don’t eat (such/so) many hamburgers a day. It’s bad for your health. 6. A: Do you often go online, Zhao Hui?
B: No. I like to go online when I am
______ (lonely / alone)at home.
7. A: How many people are there in
China now?
B: It has reached 1.3 ______.(million/ billion)
Ⅳ. 根据句意及汉语提示完成英语句子，每空一词。
1. 他们花费了数亿元建造了这座大桥。
They spent___ ____ _____ ___yuan building the bridge..
2. 宇宙中有多少行星围着太阳转？
How many planets in the universe the sun?
3. 来自星星上的光花了很长时间才到我们这儿来。
The light from stars _____ _____ a long time _____ _____ us .
4. 科学家认为地球上的生命已有数百万年。
Scientists think that _______ ______ ______ life on Earth for millions of years.
5. 这个孩子足够大了，能照顾自己了。
The child is look after himself.
