人教版必修3-Unit-4-Warmingup课件

1、Unit 4 AstronomyUnit 4 Astronomythe origin of the universe in different religions and cultures Pangu separates the sky from the earththe origin of the universe inNuwa makes human being from the clay(粘土).Nuwa makes human being from thGod created the world in seven daysBibleGod created the world in se

2、venBrahman (婆罗门) is the creator of the universe and all living beings are said to have evolved（进化） from him.IndiaIndia人教版必修3-Unit-4-Warmingup课件Warming-up 2.What words will you think of when we talk about astronomy?starsmoonsunplanetthe solar systemthe Milky Way Galaxy(星系)earth 1. Whats the meaning o

3、f the word “Astronomy”?the science of starsWarming-up 2.What words will ysunearththe solar systemthe Milky Way GalaxyGalaxy 1Galaxy 2Galaxy the Universesunearththe solar systemthe MiIn this unit, well learn something more scientific.Pre-readingHow life began on the earth?In this unit, well learn som

4、eReadingRead the passage quickly and find the main idea.The text is mainly about the solar system the earths problems the difference between the earth and other planets the development of earth and life on the earthReadingRead the passage quicklRead the text quickly and match the main idea for each

5、paragraph.Task 1: Fast readingRead the text quickly and matPara. 1 The formation(形成) of the earth.Para. 2 The importance of water for life.Para. 3 A widely accepted theory about the formation of the universe（宇宙）.Para. 4 The arrival of humans and their impact on the earth. Para. 5 The development of

6、plants and animals on the earth.Page27Para. 1 The formation(Big BangA solid ballAtmosphere The earthBig BangA solid ballAtmosphereAmphibians（两栖动物）Reptiles(爬行动物) Dinosaurs Mammals（哺乳动物） Amphibians（两栖动物）Reptiles(爬行动物)Man had evolved from apes. Man had evolved from apes. the solar system 太阳系system. n.系

7、统，体系，制度The city planners decided to build an underground drainage system.In many ways, the education system in the US is not very different from that in the UK.the solar system 太阳系system. n.on earth “在世上，究竟，到底” on the earth “在地球上，在地上” They are the best folks on earth. 他们是世上最好的人。 What on earth do you

8、 mean? 你到底什么意思？religion. n. 宗教，信仰religious. adj. 虔诚的，宗教上的，信奉宗教的on earth “在世上，究竟，到底”religion. Work in pairs: Put the order of development of life into a timeline . Use the reading passage to help. Task 2: Careful readingWork in pairs:Task 2: Careful 1073849615212111. Insects and amphibians appeared.3

9、. The earth became a solid ball.5. Reptiles appeared.7. The earth was a cloud of dust.9. Shellfish and other fish appeared.11. Clever animals with hands and feet appeared.2. Dinosaurs appeared.4. Small plants grew on the water.6. Plants began to grow on dry land.8. Water appeared on the earth.10. Th

10、e universe began with a Big Bang.12. Mammals appeared.1073849615212111. Insects and ReadingPart 1 : The development of the earthPart 2 : The development of life(para 13)(para 45)ReadingPart 1 : The developmen(2) What happened to the earth after the “ Big Bang?Read para.1-3(3) What appeared as the ea

11、rth cooled down?(1)How did the universe come into being?(2) What happened to the earth(1)How did the universe form?- According to a widely accepted theory, the universe began with a “ ”It threw in all directions.After that began to form and combine to create stars and other bodies.matterBig Bangatom

12、s(1)How did the universe form?-(2) What happened after the “ Big Bang?The earth was just a cloud of dustThe earth become a solid ball quickly.The earth atmosphere appeared. Water stayed on the moon. Read para.1-3Between 4.5 and 3.8 billion years ago, the dust settled into .a solid globe(2) What happ

13、ened after the “was a cloud of dustsettled into a solid ballexploded with fire & rockproduced CO2, N2 , H2O and other gasesatmospherewater appeared (3) What appeared as the earth cooled down?was a cloud of dustatmospherewWater is fundamental to the beginning of life on earth. Why?Because water allow

14、ed the earth to dissolve harmful gases and acids into oceans and seas.chain reaction bagan to develop.Life人教版必修3 Unit 4 Warmingup人教版必修3 Unit 4 WarmingupWater is fundamental to the Wh1.Who are the small clever animals with hands and feet? 2. Are they taking care of the earth well? Why? 人教版必修3 Unit 4

15、Warmingup人教版必修3 Unit 4 Warmingup1.Who are the small clever aniHumans are putting too much carbon dioxide into the atmosphere, which prevents heat from escaping from the earth into space.The earth may become too hot to live on .人教版必修3 Unit 4 Warmingup人教版必修3 Unit 4 WarmingupHumans are putting too much

16、 caDiscussion What can we do to prevent the earth from becoming hotter and hotter?clean energy plant trees recycle rubbish use public transport人教版必修3 Unit 4 Warmingup人教版必修3 Unit 4 WarmingupDiscussion What can we do toWhether life will continue on the earth depends on human beings.人教版必修3 Unit 4 Warmi

17、ngup人教版必修3 Unit 4 WarmingupWhether life will continue onThe EndThankyou人教版必修3 Unit 4 Warmingup人教版必修3 Unit 4 WarmingupThe EndThank人教版必修3 Unit 4 Warm1.学习可以彻底的改变自己，即使失去原来改变的条件，人也不会退回到原来的样子，因为经过“輮”。人已经脱离一个旧我，变成一个新我.2.这一段介绍了怎样学习，也就是学习的要素。荀子认为积累是学习的第一要素，也是学习的根本。学习可以达到奇妙的效果，可以“兴风雨”“生蛟龙”。“神明自得，圣心备焉”从人的角度，来说

18、学习的效果。接着运用正反对比的手法来说明积累的效果，体现了荀子文章说理的生动性。3.家庭在西洋是一种界限分明的团体。在英美，家庭包括他和他的妻以及未成年的孩子。而在我们中国“家里的”可以指自己的太太一个人，“家门”可以指叔伯侄子一大批，“自家人”可以包罗任何要拉入自己的圈子，表示亲热的人物。4.这表示了我们的社会结构本身和西洋的不同，我们的格局不是一捆一捆扎清楚的柴，而是好像把一块石头丢在水面上所发生的一圈圈推出去的波纹，愈推愈远，愈推愈薄。每个人都是他社会影响所推出去的圈子的中心。被圈子的波纹所推及的就发生联系。5.在乡土社会里，地缘关系也是如此。每一家以自己的地位做中心，周围划出一个圈子，个圈子是“街坊”。可是这不是一个固定的团体，而是一个范围。范围的大小也要依着中心的势力厚薄而定。6.在这种富于伸缩性的网络里，随时随地是有一个“己”作中心的。这并不是个人主义，而是自我主义。在个人主义下，一方面是平等观念，指在同一团体中各分子的地位相等，个人不能侵犯大家的权利；一方面是宪法观念，指团体不能