Unit2Wehaven'tfoundlifeonotherplanetsyet.

1、Module 3,Journey to space,universe,宇宙,galaxy,星系,solar system,possible?,impossible!,太阳系,environment,环境,Unit 2,We have not found life on any other planets yet.,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 mo

2、on. 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 f

3、ly even when there is no air. That is a rocket(火箭)My dream cant come true, I cant 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,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

4、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 som

5、ething can fly even when there is no air. That is a rocket(火箭)My dream cant come true, I cant 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,Read and find out the best title:,Life on the earth,The sun and other stars,The stars at night,Anyone out there?,Match

6、 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 havent travelled far enough. E. Universe is really large.,1,2,3,4,5,The 1st Para. Questions:,1.How long has there been life on the earth? 2.Have we found life on any othe

7、r planets yet?,There has been life on the earth for hundreds of millions of years.,No, we havent.,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,Which is true? A: Seven planets go around the sun. B: there ar

8、e 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.,Spaceships have travelled to _ _ and_. But not travelled _yet, because it is too_.,The 4th Para.,the planet Mars,outside the solar syste

9、m,to other stars in our Galaxy,far,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 answersyet.,Complete the passage with the words and expression in the box.,Is there life on other planets? There are s

10、even 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,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

11、 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,1. Except the earth, have the scientists found life on other planets ? 2. None of them has an envir

12、onment 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。,_ _,Task-based reading,environment,the sun,the Milky Way/the Galaxy,the solar system,the universe,No, they havent.,the earth,Match the para. with the correct title,Para. 1 Para. 2 Para. 3 Para.