Module 3 Journey to space Unit 2 课件2024-2025学年外研版英语八年级下册

Unit 2 We haven't found life on other planets yet. Module 3 Leading-in 01 02 03 How many times have China sent up spaceships last year (2020)? How do you feel after watching this video? Group working Task 1 Question: Has there been life on the earth for hundreds of millions of years? Have we found life on any other planes yet? Task 2 Complete the relational graph Task 3 Question: Are there any other galaxies in the universe? Where have scientists sent spaceship? Have spaceships visited most of the universe? Retelling none [nʌn] prop. 没有一人；没有一个 environment [ɪn'vaɪrənmənt] n. 环境 that [ðæt] pron. 那；那个（前面已提及的事物） solar ['səʊlə(r)] adj. 太阳的；与太阳有关的 system ['sɪstəm] n. 系统；体系 solar system 星系；（尢指）太阳系 group [ɡru:p] n. 群；组 galaxy ['ɡæləksɪ] n. 星系 universe [ˌju:nɪvɜ:s] n. 宇宙 light [laɪt] n. 光线；光亮 impossible [ɪmˌpɒsəbl] adj. （事情）办不到的，不可能的 out [aʊt] adv. 在远方 communicate [kə'mju:nɪkeɪt] v. 联系；交流 单词及词组的用法 1. None of them has an environment like that of the earth, so scientists do not think they will find life on them. 它们中没有一个有像地球这样的环境，因此科学家们认为在它们上面找不到生命。 none of … 表示（三个以上）一个也没 有。做主语时，谓语动词可用单数或复 数。 2. So how large is the universe? It’s impossible to imagine. 所以宇宙有多大？我们无从想象。 句型: It is + 形容词+to+动词原形， 意思是“做某事很……”。 3. …With so many stars in the universe, are we alone, or is there life out there in space? 宇宙中有这么多星球，我们是独自生活在空中吗？或者太空中更远的地方还有其他生命存在呢？ with+名词，表示伴随情况，意思是“带着……”。 alone 独自out 远方 4.Have there been visitors to the earth from other planets?Why has no one communicated with us?We do not know the answers...yet. 有来自其他星球的访客来过地球吗？为什么没有人和我们交流？我们仍然不知道答案....... communicated with sb 与某人交流沟通 e.g.If you are in trouble, you can communicate with your teacher or parents, they can help you. 如果你有困难，你可以与父母或者老师沟通一下，他们会帮助你的。 planets the Sun the Earth Mars the solar system 行星 200 billion stars It’s a part of the universe(宇宙). the Milky Way Match the words with the pictures galaxy planet solar system star universe 太阳 Put the words and expressions from the smallest to the largest : A. galaxy B. planet C. solar system D. star E. universe B D C A E 1. None of them has an environment like that of the earth, so scientists do not think they will find life on them. 它们中没有一个有像地球这样的环境，因此科学家们认为在它们上面找不到生命。 none of … 表示（三个以上）一个也没 有。做主语时，谓语动词可用单数或复 数。 e.g. None of us has/have been to the Mars. 我们中没一个去过火星。 2. So how large is the universe? It’s impossible to imagine. 所以宇宙有多大？我们无从想象。 句型: It is + 形容词+to+动词原形， 意思是“做某事很……”。 e.g. It is difficult to read these words. 读这些单词很难。 3. …With so many stars in the universe, are we alone, or is there life out there in space? 宇宙中有这么多星球，我们是独自生活在空中吗？或者太空中更远的地方还有其他生命存在呢？ with+名词，表示伴随情况，意思是“带着……”。 alone 独自out 远方 4.Have there been visitors to the earth from other planets?Why has no one communicated with us?We do not know the answers...yet. 有来自其他星球的访客来过地球吗？为什么没有人和我们交流？我们仍然不知道答案....... communicated with sb 与某人交流沟通 e.g.If you are in trouble, you can communicate with your teacher or parents, they can help you. 如果你有困难，你可以与父母或者老师沟通一下，他们会帮助你的。 What do you think of (想到) when you see the Moon? Chang’e has gone to the Moon. Is she alone? 单独的 Astronauts have already been to the Moon. Armstrong from the USA Have they discovered any life on the Moon? Why? The Moon doesn’t have an environment with air. 环境 So, People and things can’t grow there. 生长 Listen and answer 1 How long has the life been on the earth ? 2 How many stars in our galaxy ? 3 Who has discovered any life in space yet ? Hundreds of millions of years. Billions of. No one. Read and answer some questions about the passage: 1.Have we found life on Mars? 2.How many planets are there in the solar system? 3.Which is larger, the galaxy or the universe? 4.What have scientists done to look at other planets? 5.Is there life out there in space? Eight. The universe. We don’t know , we have never found any life on other planets . No,we haven't. They sent spaceships to travel outside the solar system. choose the best title. Anyone out there? Life on Earth Our solar system The stars at night planets the Sun the Earth Mars the solar system 行星 200 billion stars It’s a part of the universe(宇宙). the Milky Way Match the words with the pictures galaxy planet solar system star universe 太阳 Put the words and expressions from the smallest to the largest : A. galaxy B. planet C. solar system D. star E. universe B D C A E 1. The Earth is a star. 2. The Sun is a star. 3. There is more than one galaxy. 4. Our galaxy is part of the Milky Way. 5. The light from stars has taken a long way to reach us. 6. Scientists have found life on other planets. 7. They ’ve received many messages from space. 8. They ’ve visited most of the universe. a planet. haven’t haven’t haven’t Do you think they’re right or not? Our galaxy is called the Milky Way . 信息 大部分 1 The Sun is a ____ in the solar system . The Earth is a _______and it goes around the Sun . 2 Altogether there are _______ planets around the Sun . 3 There are more than 200 billion stars in ______ 4 There are many galaxies in the ______ star planet eight galaxy universe Complete the passage with the words Is there life on other planets? There are several other planets in our(1)__________________ but （2)_______ of them has a(n) (3)_______________ like that of the earth.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 tries 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 environment none solar system universe 1. Scientists think that there has been life on the earth for hundreds of millions of years. 科学家认为地球上的生命已经有亿万年了。 millions of 数百万 hundreds of 数百 thousands of 成千上万 billions of 数十亿 Language points e.g. There are billions of stars in the Galaxy, and the sun is only one of them. 银河系中有数十亿颗恒星，太阳只是其中的一个。 2. However, we have not found life on any other planets yet. 然而，我们还没有在任何其他行星上发现生命。 yet用于否定句和疑问句，意思是“还，尚”。not … yet的意思是“还没，尚未”，表示某事物在某一时间尚未发生，但未来也许会发生。例如： I haven’t learnt any farther information yet. 我还没有得到进一步的信息。 Have you received her letter yet? 你收到她的来信了吗？ 3. The earth is a planet and it goes around the sun. Seven other planets also go around the sun. 地球是颗行星，它围绕着太阳转。此外 还有七颗行星也围绕着太阳转。 太阳系的其他七颗行星：水星 (Mercury)、金星(Venus)、火星 (Mars)、木星(Jupiter)、土星(Saturn)、 天王星(Uranus)、海王星(Neptune)。 5. … and our solar system is a small part of a much larger group of stars and planets, called the Galaxy or the Milky Way. ...... 我们的太阳系只是一个由恒星和行 星组成的星系的一小部分，这个星系 比太阳系大得多，称作银河系或银河。 这里的the Galaxy专指“银河系”，也可以称作the Milky Way。而galaxy则泛指“星系”。 e.g. Scientists have discovered a distant galaxy. 科学家们发现了一个遥远的星系。 e.g. Mr. Zhang is coming with a book in his hands. 张老师手里带着一书进来了。 alone在句中作形容词，不作定语只做表语，也可作副词。意思是“独自地”。 e.g. She was alone in that dark room. 她独自一人呆在那黑屋子里。 生物 UFO E.T. superman Do 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? Why? Discussion Thank you! ¸øÁ¦Ó¢ÓïÍø http://www.171english.cn Other 108201.93 $$