外研版英语八年级下册Module 3 Journey to space Unit 2 We have not found life on any other planets yet课件（共24张PP

课件24张PPT。Module 3
Unit 2 We have not found life on any other planets yet.Are you interested in space?生物UFOE.T.supermanDo you believe(相信) there are any
living creatures in outer space?What do you think of (想到) when you see the Moon?Chang’e has gone to the Moon.Is she alone?单独的Astronauts have already been to the Moon.Armstrong from the USA Have they discovered any life on the Moon?
Why?The Moon doesn’t have an environment with air.有空气的环境So,People and things can’t grow there.生长planetthe Sunthe EarthMars the solar system行星200 billion stars恒星It’s a part of the universe(宇宙).the Milky WayMatch the words with the picturesgalaxyplanetsolar systemstaruniverse太阳 Put the words in the box in order: small-large
galaxy planet solar system
星系 行星 太阳系
star universe
恒星 宇宙 --universe
宇宙 planet
行星---star
恒星---solar system
太阳系---galaxy
星系Listen the passage and choose the best title.Anyone out there?
Life on Earth
Our solar system
The stars at night1. The earth is a star.
2. The sun is a star.
3. There is more than one galaxy in the universe.Read the passage carefully and check (√) the true sentences.× √ √ 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.√ × × Read the passage again and complete the passage.communicate environment none solar system universeIs 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. solar systemnoneenvironmentSpaceships 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.communicateuniverse Group Work
Retell the passage according to the activity 4.
WritingLook at the picture from a science story for children and answer the questions.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)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 …
课堂小测验1. — Where’s Mr Green?
— He _____ to Changsha.
A. have been
B. has gone
C. has beenExercise2. — Is Tom at home?
— No, he______ to town.
A. has been B. has gone
C. goes D. will go
3. He promised to pick me up at the school gate. However, he _______ yet.
A. didn’t arrive??? B. doesn’t arrive???????
C. isn’t arriving?????D. hasn’t arrived4. — What is the weather like this
summer here?
— There ____ very little rain.
A. has B. has been
C. are D. have been
5. A number of tourists ______ Yangzhou many times because it is such a beautiful city.
A. have been to B. has been to
C. has gone to D. have gone to Translate the phrases:(翻译词组)
1.在夜晚 __________
2.地球上的生命 ___________
3.一小部分 ____________
4. 其他七颗行星 ______________
5. 几百万年 ________________
6. 绕着太阳转 _______________
7. 被称为 _______________
8. 他们中没有一个 _______________
9.超过两千亿颗星星 _______________
10. 发送信息 _______________ at night life on Earth a small part seven other planets millions of years go around the Sun be called none of them more than 200 billion starssend information
Homework
Recite the passage.
Unit 2 练习。