Unit 4 Topic 2 Section D课件+内嵌音频（仁爱科普版九年级上册）

(共22张PPT)
I'm excited about the things that will
be discovered in the future.
Unit 4 Topic 2
Section D
Know about the solar system.
Review the passive voice.
Be able to write a passage with passive voice in the future tense.
Grammar
Passive Voice (III)
A wonderful movie will be shown tonight.
I’m excited about the things that will be discovered in the future.
Functions
We will be able to do anything that can be done on the earth.
I think you should first master some basic computer skills.
Let’s work hard. Then our dreams will be realized.
The Solar System
冥王星
（Pluto）
水星
（Mercury）
金星
（Venus）
地球
（Earth）
火星
（Mars）
木星
（Jupiter）
土星
（Saturn）
天王星
（Uranus）
海王星
（Neptune）
慧星
（Comet）
Do you know their names
1. Is There Life out There
2. Our Planet
3. The Stars at Night
1a Read the passage and choose a proper title.
Scientists think that there has been life on earth for millions of years. However, we haven't found life on other planets yet. The earth is a planet and it goes around the sun. And there are seven other planets that also go around the sun.The sun and its planets are called the solar system. The solar system is a small part of the universe.
Scientists have launched many spaceships to explore other planets in the solar system. Some spaceships have gone beyond the solar system. However, no one has discovered any life in space yet.
Why has no one from other planets sent us a message Have they tried to send information to us With so many stars in space, are we alone, or is there life on other planets in space
1. Scientists think that there has been life on earth for millions of years.
on earth 在地球上，究竟
on the earth 在地球上
eg: Why on earth didn’t you tell me the truth
你到底为什么不跟我说实话？
What on earth do you mean
你到底是什么意思？
There are millions of living things on the earth.
世界上有数以百万计的生物。
2. However, we haven’t found life on other planets yet.
在其他的星球
3. Scientists have launched many spaceships to explore other planets in the solar system.
launch v. 发射(卫星，导弹，火箭等) = send up
n. 发射，下水（船），游艇，摩托艇
4. Some spaceships have gone beyond the solar system.
beyond 超出，越过
Read 1a and answer.
1. Have the scientists found life on other planets
2. How many planets go around the sun
3. What’s called the solar system
4. Some spaceships have gone beyond the solar system, haven’t they
5. Do you think there are lives on other planets in space
No.
Eight.
The sun and its planets are called the solar system.
Yes.
A
A
B
C
D
( )1. the solar system
( )2. the earth
( )3. the universe
( )4. the sun
1b Match the letters in the picture with their names according to 1a.
2 A spaceship will be sent out to find aliens in outer space. A letter will be put on the spaceship to introduce our earth. Discuss in groups and write a short introduction of the earth. Then present it to the class.
Our Earth
Do you want to know about the earth Now, let me tell you something about it.
The earth is the third planet from the sun in our solar system and is named after old English. It goes around the sun. The moon is its only natural satellite. Its diameter is 12,742 kilometers. The surface area of the earth is 510 million square kilometers and the temperature is between -89.2℃ and 61℃. The air has 21% oxygen. So plants, all kinds of animals and human beings can live on the earth. The population of the world has reached 6.8 billion. Do you want to make friends with us
3 If aliens are found in the near future , what changes
will happen to people on the earth
Discuss in groups and make a list of all the possibilities.
Example :
More aliens will be found with the help of our
new friends.
Students will be sent to their planet to learn
their language.
…
Reporting on the Celestial Body You Like to Live on
1. Divide the class into three groups: Mars, the moon, the earth.
Mars
Moon
Earth
2. Discuss the life there, such as clothing,
food and drink, transportation …
3. Choose one student in each group to
introduce the information to the class.
4. Think about which celestial body you would
like to live on and give a report to the class.
We learn:
1. Some words: beyond, launch
2. Some phrases: millions of, go around, send sb. sth.
3. Some sentences:
(1) Scientists have launched many spaceships to explore other planets in the solar system.
(2) Some spaceships have gone beyond the solar system.
We can:
1.Talk about more about outer space.
2. Summarize the passive voice of the simple future tense.
( )1. ---These bananas look different and they are sweet.
---Right. They ____ here from Taiwan yesterday.
A. was brought B. were brought C. bring D. are brought
( )2. ---Mom, may I go out to play football this afternoon
---You can, if your homework _____.
A. is finished B. will finish C. has finished D. will be finished
( )3. A talk on development in science _____ next week.
A. is given B. was given C. has given D. will be given
B
A
D
(1)A wonderful movie will be ________(上映) tonight.
(2)We will be able to do anything that can be______(做) on the earth.
(3)I won’t believe there are aliens ______（直到）I see them with my own eyes .
(4)Our dreams will be ________(实现).
(5)The gravity on the surface of Mars is about __________(五分之二） as strong as it is on earth.
shown
done
until
realized
two-fifths