Module 3 Unit 2 课件 2023-2024学年外研版英语八年级下册

Module 3 Journey to space Unit 2 We have not found life on any other planets yet. New words Words competition 1: Guessing game universe galaxy solar system light environment communicate Words competition 2: Translate 在远方 太阳的 不可能的 系统 群组 环境 宇宙 交流 out impossible system solar universe communicate environment group 星系 galaxy 没有一人 光线 light none 那个 that Words competition 3: Listen, read and translate out light envirnment none system group solar impossible communicate universe that galaxy Words competition 4: Making sentences 1. 3. 2. impossible light environment It’s adj. to do sth. . . Mars火星 Uranus天王星[ j r n s] Neptune海王星[ neptju:n] Jupiter木星 [ d u:p t (r)] Saturn土星[ s t :n] Mercury水星[ m :kj ri] Venus金星[ vi n s] Earth地球 地球 Earth 太阳系由内及外的第三颗行星 太阳系中直径、质量和密度最大的类地行星 现有45.5亿岁,有一个天然卫星——月球 地球表面积5.1亿平方千米,其中71%为海洋,29%为陆地 地球的卫星—月球 地球唯一的天然卫星 月球是太阳系中体积第五大的卫星 平均半径约为1737.10千米,相当于地球半径的0.273倍 月球与地球的平均距离约38.44万千米,大约是地球直径的30倍。 月球的年龄大约有46亿年。 月球有壳、幔、核等分层结构。 The moon is a satellite of the earth. [mu:n] 月球 [ : ] 地球 火星Mars 太阳系中仅次于水星的第二小的行星 火星上有太阳系已知最大的山奥林帕斯山,最大的峡谷水手号峡谷。 质量(地球质量=1):0.1074 火星有两个天然卫星:火卫一和火卫二 Activity 1: Watch and think Are you proud of China? What do you know about space exploration? 太空探索 Activity 2: Read the passage and choose the best title for it Anyone out there? 2.Life on the earth 3. The sun and other stars 4. The stars at night 1. Anyone out there? Activity 2-Task 1: Match the paragraphs with the ain ideas Para. 1 A. Scientists questions about life in the universe. Para. 2 B. The solar sysem and the MilkWay. Para. 3 C. Life on the earth but not on any other planets. Para. 4 D. Spaceship to Mars and outside the solar system. Para. 5 E. Many other galaxies in the universe. Activity 2-Task 2: Read Para. 1-2 and choose Scientists think that there has been life on the earth for hundreds of millions of years. However, we have not found life on any other planets yet. (1) there be 句型表示“在某地有某物或某人” there be 句型的现在完成时即把“be动词”写成现在完成时结构,即:there have/has been (2)hundreds of millions of