Module 3 Journey to space Unit 2 We have not found life on any other planets yet.教案

Module 3 Journey to space
Unit 2 We have not found life on any other planets yet.
【教学目标】
1. 能掌握本课时的单词、短语和句型。
单词：none, environment, impossible, out, communicate, universe, group …
短语：millions of, go around, far away, solar system …
句型：We have not discovered life on any other planets yet.
They have even sent spaceships to travel outside the solar system.
No spaceship has travelled far enough to reach other stars in our Galaxy.
2. 能够读懂以太空为主题的简单文章并能识别细节，做出正误判断。
3. 通过了解中国在太空探索领域取得的伟大成就，形成民族意识和民族自豪感。
【教学重难点】
重点：1. 识别文章的主题，能读懂以太空为主题的简单文章，并识别细节
信息。
2. 用现在完成时写作，对人类探索火星进行描述。
难点：already, just, yet在现在完成时中的应用。
【教学方法】
本节读写课采用创设情境法、任务型教学法、小组合作法等教学方法。
【教学过程】
Step 1 Leading in
Free talk.
1. How many planets are there in our solar system
2. Is there any life on other planets
Step 2 Pre-task
Work in pairs.
Look at the picture and talk about what you know about Chinese spaceships.
Shenzhou-9 is a manned spaceship.
Step 3 While-task
Fast reading.
Read the passage and choose the best title for it.
1. Anyone out there
2. Life on Earth
3. The sun and other stars
4. The stars at night
Careful reading.
Activity 1 Read the 1st paragraph and answer.
1. How long has there been life on the earth
2. Have we found life on any other planets yet
Activity 2 Read the 2nd paragraph and answer.
1. What is called the solar system What is it
2. How many planets are there in the solar system
3. Why don’t scientists think they’ll find life on the other planets
Activity 3 Read the 3rd paragraph and answer.
1. What have scientists discovered
2. Why is it impossible to imagine how large the universe is
Activity 4 Read the 4th paragraph and fill in the blanks.
Scientists have ______ the planet Mars to ______. They have even sent spaceships to ______ the solar system. However, no spaceship has travelled ________ other stars in our Galaxy.
Activity 5 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. Scientists have received many messages from space.
6. Spaceships have visited most of the universe.
Step 4 Post-task
Activity 1 Complete the passage with the words and expression in the box.
communicate environment none solar system universe
Is there life on other planets There are seven other planets in our (1) ______, but (2) _____ of them has a(n) (3)______ like that of the earth. Spaceships from the earth have done surveys of the other planets, but they have not found any life there. Why has no one from other planets tried to (4) _______with us It is true that scientists have not discovered life on other planets in the (5) ______ yet, but some scientists believe that they will find it some day.
Activity 2 Writing.
What have the scientists just received (a message from one of our spaceships)
They have just received a message from one of our spaceships.
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)
Then write a passage to describe the picture. Use your answers to the questions in Activity 5 to help you.
We have just received a message from our spaceship to Mars …
Activity 3 Exercises.
根据汉语提示完成英语翻译。
1. 地球是行星，它围绕太阳运转。
The Earth is a planet and it __________ the Sun.
2. 为什么不把书带回来？
____________________ the book
3. 没有一个学生去过英国。
_______ the students __________ England.
4. 完成今天的作业不容易。
_______________ today’s homework.
5. 我刚读过有关火星的书。
I ____________ books _____ Mars.
6. 从其他星系到我们这里要花费很多年。
It _____ many years _______ us from other galaxies.
Step 5 Summary
1. 掌握了本单元单词和短语。
2. 学习了以太空为主题的文章。
3. already, just, yet在现在完成时中的正确应用。
Step 6 Homework
1. Remember the words and expressions.
2. Finish the workbook.
【板书设计】
Module 3 Journey to space
Unit 2 We have not found life on any other planets yet.
Words: none, environment, impossible, out, communicate, universe, group …
Phrases: millions of, go around, far away, solar system …
Sentences:
1. We have not discovered life on any other planets yet.
2. They have even sent spaceships to travel outside the solar system.
3. No spaceship has travelled far enough to reach other stars in our Galaxy.
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