Module 3 Unit 2 We have not found life on any other planets yet课件(共20张PPT)

(共20张PPT)
Module 3 Journey to space
Unit 2 We have not found life on any other planets yet.
New words
universe
宇宙
New words
galaxy
星系
New words
solar system
possible
impossible!
太阳系
New words
environment
环境
Text
I want to go to the moon by plane.
Scientists have always wanted to know more about the universe.
Years ago they knew many things about the moon. They knew how big it was and how far away it was from the earth. So I thought about going to the moon by plane. But can I
The moon is about 384 000 kilometers away from the earth. A plane cannot fly to the moon because the air reaches only 240 kilometers away from the earth. But something can fly even when there is no air. That is a rocket(火箭)
My dream can’t come true, I can’t go to the moon by plane. If I want to go there, I must go by rocket.
读前阅读方法感知：通过题目、图片预测
Text
Scientists have always wanted to know more about the universe.
Years ago they knew many things about the moon. They knew how big it was and how far away it was from the earth. So I thought about going to the moon by plane. But can I
The moon is about 384 000 kilometers away from the earth. A plane cannot fly to the moon because the air reaches only 240 kilometers away from the earth. But something can fly even when there is no air. That is a rocket(火箭)
My dream can’t come true, I can’t go to the moon by plane. If I want to go there, I must go by rocket.
Read and find out the best title
Life on the earth
The sun and other stars
The stars at night
Anyone out there
Match the titles with the paragraphs
Match the titles with the paragraphs:
Are we alone
B. Life on the earth.
C. Solar system is a small part in the galaxy.
D. Spaceships haven’t travelled far enough.
E. Universe is really large.
1
2
3
4
5
The 1st Para
The 1st Para. Questions:
1.How long has there been life on the earth
2.Have we found life on any other planets yet
There has been life on the earth for hundreds of millions of years.
No, we haven’t.
The 2&3rd Para.
The 2&3rd Para.
2.Put the words and expressions from the smallest to the largest :_____________
A. galaxy B. planet C. solar system
D. star E. universe
B
D
C
A
E
Which is true
A: Seven planets go around the sun.
B: there are only stars in the galaxy.
C. The solar system is larger than the galaxy.
D: the Environment of the earth is different from
that other planet in the solar system.
√
The 4th Para
翻译：
However, no spaceship has travelled far enough to reach other stars in our galaxy.
The 4th Para.
The 5th Para.
The 5th Para.
Have scientists discovered any life in outer
space yet
No, not yet.
Is there life out the solar system in space
We do not know the answers…yet.
Exercises
Complete the passage with the words and expression in the box.
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.
solar system
none
environment
communicate environment none
solar system universe
Exercises
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.
communicate
universe
Exercises
Task-based reading
1. Except the earth, have the scientists found life on other planets
2. None of them has an environment like that of the earth.
"that" here refers to _______________.
3. Put the following words in the follwing order: from small to big.
4. Translation:
However, no spaceship has travelled far enough to reach other stars in our Galaxy.
然而， 还没有宇宙飞船能够飞行的足够远而到达我们银河系里的其他星球。
_________________________________________________________________
environment
the sun
the Milky Way/the Galaxy
the solar system
the universe
No, they haven't.
the earth
Exercises
Match the para. with the correct title
Para. 1
Para. 2
Para. 3
Para. 4
Para. 5
Questions raised by the scientists
Sending spaceships to explore the space
Brief introduction of life on earth
Other galaxies in the universe
The solar system and Milky Way or the Galaxy
谢 谢！