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1、 Module 3 Journey to spaceUnit 2 We havent found life on any other planets yet. Change has gone to the Moon.Is she alone?单独的What do you think of (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.T
2、he Moon doesnt have an environment with air.环境生长 学 习 目 标1.熟记重点单词：none, environment, solar, system, group, galaxy, universe, light, impossible, out, communicate2.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 with
3、3.掌握重点句型：(现在完成时)主语+have/has+动词的过去分词 Fast-reading Read the passage quickly and choose the best title.Anyone out there?Life on the earthThe sun and other starsThe stars at night Careful-reading Read Para.1 and choose the best answer.1. Scientists think that there has been life on Earth for_years.A. th
4、ousands of B. millions of C. billions of2. Have we found life on other planets? A. Yes, we have. B. No, not yet. C. No, they havent. galaxyplanetstaruniverse 太 阳1. 2. 3.4.5. solar systemRead Para.2 Do you know the words and expressions in the box? Put them in order: small large.galaxy planet solar s
5、ystem star universeplanet star solar system galaxy universe 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 the Galaxy. The s
6、olar system is a small part of _ _ .the solar systemplanetseven our galaxyor the Milky Way 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 us.3.Spaceships have visi
7、ted most of the universe. F F T 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. Scientists think that there has been life on the Earth for hundreds of mil
8、lions of years. However, we have not found life on any other plants yet. The Earth is a planet and it goes around the sun. Seven other planets also go around the sun. None of them has an environment like that of the earth, so scientists do not think they will find life on them. The sun and its plane
9、ts 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. There are billions of stars in the Galaxy, and our sun is only one of them. Scientists have also discovered many other galaxies in the universe. They
10、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. Scientists have sent spaceship to the planet Mars to take photos. They have even sent spaceships to travel outside the solar system. However, no spaceship has travel
11、led far enough to reach other stars in our Galaxy. Complete the passage with the words and expression in the municate environment none solar system universeIs 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. solar system
12、noneenvironment 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 true that scientists have not discovered life on other planets in the (5)_ yet, but some scientists believe that t
13、hey will find it some municate universe 生物UFO E.T. supermanDo you believe(相信) there are any living creatures in outer space?Do you hope there are any living creatures(生物) in outer space? Writing: Weve just heard a message from a spacecraft. Our spacecraft has landed on Mars, andit has discovered peo
14、ple 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 ,radios and cars with the other spacecraft from Earth. none, environment，solar, systemgroup, galaxyuniverse, light impossible, outcommunica
15、te本课时主要单词 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 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 universe. 4. We do not know the answers yet.本课时主要句型 Study hard, and explore(探索) the mysteries (奥秘) of the universe when you grow up ! Homework1.Complete the composition.2.Finish the exercises in Hudong.
Module3Unit2 We have not found life on any other planets yet.教案
