Module 3 Journey to space Unit 2 We have not found life on any other planets yet. 课件（29张PPT）

课件29张PPT。1. To master the key words and expressions.
掌握重点单词和词组。
2. To understand and use Present Perfect better.
更好地理解并使用现在完成时。
3. To do further thinking and writing about the topic.
对有关话题进行拓展性思考和写作。

Module 3Journey to space Before the journey, We need to learn some knowledge about spaceAre you ready?Go!!! 水星金星火星木星土星天王星海王星Do you know them?
planets
行星
star
恒星The sun and its planets are called _____________the solar system 太阳系 Our solar system is a small part of
________________________银河系.the Galaxy / the Milky WayThere are many ________（星系）in the_________（宇宙）galaxiesuniversePut them in order: small — large.galaxyplanetsolar systemuniverse行星太阳系星系宇宙So how large is the universe?Unit 2We have not found life
on any other planets yet.Read the passage quickly and match :Para. 1 _______________
Para. 2& 3 _______________
Para. 4 _______________
Para. 5 _______________
The scientists’ progress (进程)
B. The scientists’ questions
C. The solar system and the universe
D. The life on earth and other planetsABCDReading tip1: key words 1. Anyone out there?
2. Life on the earth
3. The sun and other stars
4. The stars at night Read Para1 and 5 carefully
and chooseThe best title for the passage_____.1Reading tip 2:
the beginning and the ending.Careful reading: Para11.How many years has there been life on the earth?Hundreds of millions of years.A. 百万年
B. 千万年
C. 亿万年2. However, we have not found life on any
other planets yet.(Read Para2 and answer)Because none of them has an environment
like that of the earth.So_________________________________
_______________________________.scientists do not think (they will find life on the other planets)That’s whyThe earth is a ______ .Eight planets goes around the _____.The sun and its eight planets are called
________________ .Our galaxy is called__________________ .
there are billions of ______in the Galaxy. starsthe solar systemthe Galaxy or the Milky WayplanetsunPara.2 & first sentence in Para.3数十亿颗恒星Our sun is only one of the stars.starplanets ( go around)the solar systemthe Milky WaygalaxyRetellplanet
( go around)universe?The stars look small.They are far away.Light year光年:Their light has to travel for many years to reach us.How far?Careful reading: Para3The distance that the light walks in one year.So how large is the universe?It is impossible to imagine.Scientists have sent spaceships ______Marsthe moonoutside the
solar system??We should be proud of them,
especially the astronauts. How great the scientists are!Careful reading: Para4?Questionswith so many stars in the universeAre 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??alien The aliens are afraid of us.The communication tools are not good.
…The languages are different.Careful reading: Para5Work hard and get the answers.Watch the videopronunciation and intonation
注意语音和语调Well done !!! NOW, You have finished reading the whole passage：You have won
the tickets to Mars!Congratulations!Where has the spaceship landed?
What have you discovered?
What do you think of them?
Why haven’t they visited us?
Why haven’t they sent us a message?
…Make your
mind-map
and speak outGroup work: imagine and makeGood job!present perfect现在完成时M11U2 impossible universe group
none environment communicate solar system
communicate with Anyone out there?
We have not found life
on any other planets yet.Words:
单词Phrases:
词组 Sentences:
句子Grammar:
语法Summary
课堂小结Finish your mind-map and write to your alien friends.HomeworkOne day in the future,
our English class will be held on Mars!