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课件网) Unit 6 Earth and Beyond Theme Reading Learning Objectives 运用总结的阅读策略总结文章的主旨。 在对比和比较的思维技巧帮助下梳理文章的主旨要义和关键细节。 通过了解太阳系，激发学生探索宇宙的兴趣。 Review the objects in the solar system. b. the Sun c. Mars d. Mercury e. Earth f. Jupiter a. Neptune Lead-in Pre-reading Look at the pictures and discuss the questions. 1. Which planet do we live on 2. Which planet is the largest 3. Which planet do you think might have life 4. Which planet is the closest to the Sun Pre-reading Look at the pictures and discuss the questions. 1. Which planet do we live on 2. Which planet is the largest 3. Which planet do you think might have life 4. Which planet is the closest to the Sun The earth Mars Jupiter Mercury While-reading Skim the text and underline the important information. When you look up at the sky at night, you can see many stars. But do you know the Sun is a star too Yes, it is the only one in the solar system. As a star, the Sun has eight planets around it, and Earth is one of them. Among the eight planets, Earth is a middle-sized one, with a diameter of around 13,000 kilometers. Three of he planets are smaller than Earth. They are Mercury, Venus and Mars. The other four planets are larger. They are Jupiter, Saturn, Uranus and Neptune. In the solar system, Jupiter is the largest planet, with a diameter of about 140,000 kilometers. Mercury is the closest planet to the Sun, at a distance of about 58 million kilometers, while While-reading Skim the text and underline the main information. Neptune is the farthest, at a distance of about 4.5 billion kilometers. As for Earth, it is the third closest, closer than Mars but farther away than Venus and Mercury. Mercury and Venus are much hotter than Earth, while Jupiter, Uranus and Neptune are much colder. For example, the temperature on Neptune is around minus 200 ℃. No living things can survive on these planets. As our home, Earth is alive with life because it is neither too hot nor too cold. Mars is more similar to Earth in size and temperature. And there’s also ice there! So scientists are looking for life on Mars. Besides the eight planets, there are many other smaller ones. Together, they make up the amazing solar system. distance /'d st ns/ n. 距离 minus /'main s/ prep. 零下 survive /s 'vaiv/ v.生存，存活，幸存 be alive with同义短语be full of Read the text and and summarize the main idea This text maily talks about _____ in the solar system. In the text, we can find most of the planets are very _____ Earth, while Mars may be similar to Earth in _____. Summary: planets different from size and temperature Applying be similar to 和...相似 While-reading Activity 3 Read the text again and complete the chart with the main idea of each paragraph. Introduction Body Conclusion Para. 1: The solar system: the Sun and its _____. Para. 2: The _____ of the eight planets. Para. 3: Distance from the Sun and ___ ... ...
