ModuleUnit We have not found life on any other planets yetPPT课件

1、Change has gone to the Moon.Is she alone?单独的单独的What do you think of (想到想到) when you see the Moon ?Astronauts have already been to the Moon.Have they discovered any life on the Moon? Why?So, People and things cant grow there.The Moon doesnt have an environment with air.环境环境生长生长第1页/共29页学习目标1.熟记重点单词：熟记

2、重点单词：none, environment, solar, system, group, galaxy, universe, light, impossible, out, communicate2.掌握重点短语掌握重点短语:hundreds of millions of solar system, in the universe, far enough, in space, go around the sun, be called, have to, communicate with3.掌握重点句型：掌握重点句型：(现在完成时现在完成时)主语主语+have/has+动词的过去分词动词的过去

3、分词第2页/共29页Fast-reading第3页/共29页Read the passage quickly and choose the best title.Anyone out there?Life on the earthThe sun and other starsThe stars at night第4页/共29页Careful-reading第5页/共29页Read Para.1 and choose the best answer. 1. Scientists think that there has been life on Earth for_years. A. thous

4、ands of B. millions of C. billions of 2. Have we found life on other planets? A. Yes, we have. B. No, not yet. C. No, they havent. 第6页/共29页galaxyplanetstaruniverse太阳1.2.3.4.5.solar systemRead Para.2第7页/共29页Do you know the words and expressions in the box? Put them in order: small large.galaxy planet

5、 solar system star universeplanet star solar system galaxy universe第8页/共29页Read Para.2,then complete the sentences. 1.The Earth is a _ and it goes around the Sun. There are _ other planets around the Sun.2. The Sun is a star. The Sun and its planets are called _. 3. There are billions of stars in th

6、e Galaxy. The solar system is a small part of _ _ .the solar systemplanetsevenour galaxyor the Milky Way第9页/共29页Read Para.3&4, then check the true(T) statements. 1.There is more than one galaxy in the universe.2.The light from the stars in other galaxies has travelled for a short time to reach u

7、s.3.Spaceships have visited most of the universe.FFT第10页/共29页Read Para.5 :answer the two questions1.Has anyone discovered life in space? 2. Do you know whether there is life in space or not? . No one has discovered any life in space yet.We dont know yet.第11页/共29页Scientists think that there has been

8、life on the Earth for hundreds of millions of years. However, we have not found life on any other plants yet.第12页/共29页The Earth is a planet and it goes around the sun. 第13页/共29页Seven other planets also go around the sun. None of them has an environment like that of the earth, so scientists do not th

9、ink they will find life on them. 第14页/共29页The sun and its planets are called the solar system, and our solar system is a small part of a much larger group of stars and planets, called the Galaxy or the Milky Way. 第15页/共29页There are billions of stars in the Galaxy, and our sun is only one of them. 第1

10、6页/共29页Scientists have also discovered many other galaxies in the universe. They are very far away and their light has to travel for many years to reach us. So how large is the universe? It is impossible to imagine.第17页/共29页Scientists have sent spaceship to the planet Mars to take photos. They have

11、even sent spaceships to travel outside the solar system. 第18页/共29页However, no spaceship has travelled far enough to reach other stars in our Galaxy.第19页/共29页Complete the passage with the words and expression in the municate environment none solar system universeIs there life on other planets? There

12、are seven other planets in our (1) _, but (2)_ of them has a(n) (3)_ like that of the earth. solar systemnoneenvironment第20页/共29页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 t

13、rue that scientists have not discovered life on other planets in the (5)_ yet, but some scientists believe that they will find it some municateuniverse 第21页/共29页生物生物UFOE.T.supermanDo you believe(相信相信) there are any living creatures in outer space?Do you hope there are any living creatures(生物生物) in o

14、uter space? 第22页/共29页Writing: Weve just heard a message from a spacecraft. Our spacecraft has landed on Mars, andit has discovered people on Mars. These people havent sent us a message because they cant hear us. They havent visited the Earth because they prefer life on Mars. They have made TVs ,radi

15、os and cars with the other spacecraft from Earth.第23页/共29页none, environment，solar, systemgroup, galaxyuniverse, light impossible, outcommunicate本课时主要单词第24页/共29页hundreds of millions ofin the universe far enoughin space go around the sun be called have to communicate with本课时主要短语第25页/共29页1. However, we have not found life on any other planets yet.2. None of them has an environment like that of the earth.3. Scientists have also discovered many other galaxies in the uni