人教版高中英语必修3Unit 4“Astronomy the science of the stars”（period 1）课件.pptVIP

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人教版高中英语必修3Unit 4“Astronomy the science of the stars”（period 1）课件.ppt

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人教版高中英语必修3Unit 4“Astronomy the science of the stars”（period 1）课件

* * * * * * * * * * * * * * * * * * * * * * * Warming upreading Warming Up What subjects do you learn at school? Chinese English mathematics physics history geography physics biology chemistry brainstorming geophysics biochemistry astronomy biochemistry geophysics medicine __________ the scientific study of treatment of diseases and injures __________ the study of the chemistry of living things _________ the scientific study of the earth’s atmosphere, oceans and climate __________ the scientific study of objects in space, such as planets, stars, comets and “black holes” astronomy medicine biochemistry geophysics Astronomy is the scientific study of the universe and the heaven bodies (such as the sun, the moon, and stars), gas, and dust within it. astronomer The Solar system eight planets many comets other objects 地球 ______ 木星 ______ 火星 ______ 水星 ________ 海王星 _______ F. 冥王星 _______ G. 土星 ________ H. 天王星 _______ I. 金星 ________ Earth Jupiter Mars Mercury Neptune Pluto Saturn Uranus Venus The earth’s atmosphere The earth’s atmosphere nitrogen oxygen dioxide carbon surface vapour The earth’s atmosphere Presentation HOW LIFE BEGAN ON THE EARTH? Pangu separates the sky from the earth Nuwa makes human beings The Big Bang How many parts can the text be divided into? Two parts: Part 1 (para 1) Part 2 (para2.3.4) Water made it possible for life begin to develop. The development of living things. Energetic dust A solid ball Explode atmosphere water Water made it possible ________________________ for life to begin to develop. 2 1 small plants in water 3 green plants on land 4 5 6 forests 7 8 9 2 shellfish and all sorts of fish 4 insects (on land) 5 amphibians (on land and in water) 7 reptiles (on land) 8 dinosaurs (on land) 9 mammals (on land) ________made it possible for life to begin to develop. Water Later _____________ appeared. land animals insects amphibians When plants grew into forests, ______ appeared for the first time. reptiles Some hug