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. A. galaxy B. planet C. solar system D. star E. universe A B C D E B 1 Match the words with the pictures. Review Put the words and expressions in the box in order: small – large. galaxy, planet, solar system, star, universe 3 2 1 3 4 5 1. planet 2. star 3. solar system 4. galaxy 5. universe Review spaceship 5 Astronauts have already been to the moon. the moon the earth spaceship Mars 6 Earth Scientists have sent spaceship to Mars. The journey has taken several months. No one has been to Mars yet, because Mars is very far away, much farther than the moon. Shenzhou-9 is a manned spaceship. What do you know about Chinese spaceships? Work in pairs Pre-reading 1. The earth is a star. 2. The sun is a star. 3. There is more than one galaxy in the universe. 4. The light from the stars in other galaxies has travelled for a long time to reach us. 5. Scientists have received many messages from space. 6. Spaceships have visited most of the universe. Make prediction and check (√) the true sentences. Pre-reading (×) (√ ) (√) (√) (×) (×) 1. Anyone out there? 2. Life on earth 3. The sun and the stars 4. The stars at night 2 Read the passage and choose the best title for it. Reading-1st reading Scientists think that there has been life on the earth for hundreds of millions of years. However, we haven’t found life on any other planets yet. Paragraph 1 Scientists have always asked the questions: with so many stars in the universe, are we alone, or is there life out there in space? Have there been visitors to the earth from other planets? Why has no one communicated with us? We do not know the answers… yet. Paragraph 5 communicate v. 联系；交流 What does “there” mean? Who is asking this question? What have scientists done to try to get the answer? Reading-2nd reading 1.We have not found life on any other planets. 2. There are some reasons. 3. The un