外研版英语八年级下Module 3 Journey to space Unit 2 We have not found life on any other planets yet教案（1课时）

Module 3 Journey to space Unit 2 We have not found life on any other planets.教案 Teaching Plan Ⅰ Teaching aims 1. To learn the new words and expression like, none, environment, galaxy, communicate, etc. 2. To get some information about space and spaceships. 3. To read and find out information from the text and choose the best title. 4. To write a passage to describe the picture. Ⅱ Key points 1. Words and expressions like, none, environment, galaxy, communicate, etc. 2. To get the information from the text. 3. To use Present Perfect Tense to describe the picture about science. Ⅲ Difficult points 1. To use Present Perfect Tense correctly. 2. To understand the structure of Present Perfect Tense with already, just and yet. Ⅳ Teaching procedures Step 1 Warming-up 1. Introduce the new words and expressions, and read after the teacher. 2. Watch a video about planets in solar system. 3. Ask and answer. (To introduce the solar system and some Chinese spaceships.) 1) What is it talking about? 2) How many planets are there in the solar system? What are they? 3) Have we found the life on other planets except the earth? Step 2 Fast reading 1. Number the paragraphs. 2. 1min to read the passage and match the topics with the paragraphs. A. The scientists’ questions about life in space. B. How large our Galaxy is. C. Facts about life on the earth and other planets. D. The solar system and the Galaxy. E. How large the universe is. 3. 30s to read through the passage again and choose the best title for it. 1) Anyone out there? 2) Life on the earth 3) The sun and other stars 4) The stars at night Step 3 Careful reading 3mins to read the passage carefully and check(√) the true sentences in Activity 3. 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. Keys: 1. × 2. √ 3. √ 4. √ 5. × Step 4 Post reading 1. Watch the flash to get more information about the passage. 2. Complete the mind-map. Keys: (1) universe (2) solar system (3) the sun (4) the earth 1. Complete the passage with the words and expression in the box. communicate environment none solar system universe Is 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. Spaceships from the earth have done surveys of the other planets, but they have not found ant 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 they will find it some day. Keys: 1. solar system 2. none 3. environment 4. communicate 5. universe Step 5 Language points 1. Find out the phrase in the passage. 1) 在地球上 2) 数亿年 3) 在其他任何行星上 4) 绕着太阳转 5) 他们中没有一个 ... ...