外研版八年级下册Module 3 Journey to space Unit 2 课件（共16张PPT）

(共16张PPT)
Module 3 Unit 2
Learning objectives
Get the main idea and some specific information of the passage with the help of reading strategies.
Analyze and summarise the way to talk about recent events logically.
Write a passage to describe the picture from a science story for children by using present perfect.
Have a better understanding of our scientists and achievements in space exploration.
Shenzhou-9 is a manned spaceship.
Pre-reading
There were/weren’t astronauts in it.
Who were in the spaceship
They were Jing Haipeng, Liu Yang and Liu Wang.
Pre-reading
What words may we find in the passage
space
universe
spaceship
astronauts
scientists
reach
discover
communicate
space travel
...
Titles:
1. Anyone out there
2. Life on the earth
3. The sun and other stars
4. The stars at night
Questions:
Is there life on other planets
How did life develop on the earth
What are the stars
What do they look like in the night sky
...
Learning to learn
When you read a passage with a title and pictures, think about the words you may find in the passage, and the questions you may want to ask before you start to read.
While-reading
1. Anyone out there
What’s the structure of the passage
While-reading
A.
B.
C.
Part 1: Para. 1
Part 2: Para. 2—Para. 4
Part 3: Para. 5
What we think
What we want to know
What we have done
Match the main idea with each part.
While-reading
Part 1: Para. 1
Read and complete.
There_________(be) life on the earth for hundreds of millions of years. However, we_____________(not find) life on any other planets yet.
has been
haven’t found
While-reading
Part 2: Para. 2-4
Check (√) the true sentences and correct the false ones.
□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.
√
√
√
planet.
The earth is a planet and it goes around the sun.
There are billions of stars in the Galaxy and our sun is only one of them.
Scientists have also discovered many other galaxies in the universe.
They are very far away and their light has to travel many years to reach us.
However, no spaceship has travelled far enough to reach other stars in our Galaxy.
haven’t visited most of the universe.
While-reading
Part 3: Para. 5
Read and answer.
1. What questions do scientists ask
2. Why does the writer use “always”
With so many stars in the universe, are we alone
Is there life out there in space
Have there been visitors to the earth from other planets
Why has no one communicated with us
The writer uses it to show our scientists concentrate on space exploration. They keep going and never give up.
logical, powerful, reasonable
Post-reading
Read and underline.
logical
powerful
reasonable
An alien is lying on a chair and listening to music.
An alien is swimming.
Two aliens are playing football.
A robot is reading a book.
There is a machine like TV.
...
Writing
the picture from a science story for children
What can you see
Look at the picture and answer the questions.
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.
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)
The spaceship has landed on Mars.
The spaceship has discovered people on Mars.
Because they do not know how to send a message to us.
Because they do not know how to get to the earth.
tense: have/has done
Writing
Write a passage to describe the picture. Use the answers to the questions in Activity 5 to help you.
We have just received a message from our spaceship to Mars. The spaceship has discovered people on Mars. The people on Mars haven’t sent us a message because they do not know how to send a message to us. They haven’t visited us on the earth because they do not know how to get to the earth.
How to make it better
Use tenses properly and correctly (Present perfect).
Add some details which refer to the picture.
Apply the words like however, also, even to make passage logical.
Checklist
Use tenses properly and correctly (Present perfect).
Add some details which refer to the picture.
Apply the words like however, also, even to make the passage logical.
We have just received a message from our spaceship to Mars. The spaceship has discovered aliens there. They haven’t sent us a message because they do not know how to send a message to us. They haven’t visited us on the earth because they do not know how to get to the earth, either. However, they live a happy life on Mars. They do many things like us. They swim and also play football. They even listen to music and watch TV!
Writing
Checklist
Use tenses properly and correctly (Present perfect).
Add some details which refer to the picture.
Apply the words like however, also, even to make the passage logical.
√
√
√
Homework
Must do: Finish your own passage and share it with your partner.
Choose to do: Draw a picture to go with your passage.
Thank you!