(共20张PPT)
Mars火星
Have scientists discovered life on Mars?
Have scientists discovered life on other planets
We haven’t found life on any other planets.
Module 3 Journey to space
Unit 2
We have not found life on any other planets yet.
1.[n n]
2.[ n'va r nm nt]
3. [ t]
4. ['s l (r)]
5. ['s st m]
6. [ɡru:p]
7. ['ɡ l ks ]
8. [ ju:n v :s]
9. [la t]
10. [ m p s bl]
11. [a t]
12.[k 'mju:n ke t]
none
environment
that
solar
system
solar system
group
galaxy
universe
light
impossible
out
communicate
pron.没有一人
n.环境
pron.那,那个
adj.太阳的
n.系统,体系
星系,太阳系
n.群,组
n.星系
n.宇宙
n.光/光线/光亮
adj.不可能的
adv.在远方
v.联系,交流
Let’s learn some knowledge about space.
水星
金星
火星
木星
土星
天王星
海王星
the solar system太阳系
Our solar system is a small part of
________________________.
the Galaxy / the Milky Way
universe
There are many ________in the universe.
galaxies
UFO
Aliens
Anyone out there
Fast reading:read the passage and choose the best title.
Fast reading: read and match.
Anyone out there
A. The scientists’ questions about life in space.
B. Spaceship to Mars.
C. Facts about life on the earth and other planets.
D. The solar system and the Galaxy.
E. How large the universe is.
C
D
E
B
A
1.How long has there been life on the earth
Careful reading: Para1
There has been life on the earth for hundreds of millions of years.
亿万年
2.What have we not found on any other planets yet
Life
Careful reading: Para2
Because none of them has an environment like that of the earth.因为它们当中没有一个有地球一样的环境。
2. However, we have not found life on any other planets yet.
Fill in the blanks according to the passage.
the (1) _________
the Galaxy or the Milky Way
other galaxies
the (2) _______
other stars
(3) ______
eight planets
(4) ______
Mars
other planets
universe
solar system
the sun
the earth
planet
Eight planets goes around _________.
the sun
Our galaxy is called__________________ .
the Galaxy or the Milky Way
planet行星
star恒星
WHY
smaller or bigger
bigger
smaller
Scientists have sent spaceships to ______
Mars
the moon
How great the scientists are!
What have scientists done to learn about the universe
UFO
Aliens
Work hard and find the answers.
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.
√
√
√
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. Spaceships from the earth have done surveys of the other planets, butthey 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, environment, none, solar system, universe
solar system
none
environment
communicate
universe
Homework
Draw a mindmap of unit 2
3. Workbook M3U2
1.成百万年
2.在其它的行星上
3.绕太阳转
4.他们中没有人
5.被叫做
6.太阳系
7.一小部分
8.几十亿的星星
9.在宇宙中
10.许多其他的星系
11.距离好远
12.不得不,必须
13.足够远
14. 如此多
15.和某人联系
millions of years
on any other planets
go around the sun
none of them
be called
the solar system
a small part of
billions of stars
in the universe
many other galaxies
far away
have/has to
far enough
so many
communicate with sb.
phrases Key