浙江省天台县平桥第二中学高中英语 Unit1 Using language课件 新人教版必修5.ppt

1、Using Language -,Reading & Writing,Unit 1,About Copernicus,Do you know what is the center of the solar system? Can you name the nine planets in the solar system?,Mercury,Mars,Venus,Earth,Jupiter,Saturn,Uranus,Neptune,Pluto,Mercury 水星 Venus 金星 Earth 地球 Mars 火星 Jupiter 木星 Saturn 土星 Uranus 天王星 Neptune

2、海王星 Pluto 冥王星,Nine Planets in the Solar System:,Nicolaus Copernicus,He was one of the first scientists to use xkmathematical observations to collect information. He believed the sun is the center of the universe and the earth and other planets went around it.,Skim the text and draw the two theories

3、of the universe with the following pictures.,Sun,earth,Before Copernicus theory Showing Copernicus theory,Reading and drawing,Sun,earth,Before Copernicus theory Showing Copernicus theory,Sun,earth,earth,Sun,Showing Copernicus theory,A diagram showing the solar system with the earth at its centre,A d

4、iagram showing the solar system with the sun at its centre,Before Copernicus theory,Read the text carefully, then answer these questions,Careful reading,Because the powerful Christian Church would have punished him for even suggesting such an idea,2. What was his theory about? (Para 1),All his mathe

5、matical calculations led to the same conclusion: that the earth was not the centre of the solar system. Only if you put the sun there did the movements of the other planets in the sky make sense.,1. Why could he not tell about his theory? (Para 1),3. What had the astronomers noticed in the sky? (Par

6、a 2),They had noticed that some planets in the sky seemed to stop, move backward and then go forward in a loop. Others appeared brighter at times and less bright at others.,4. When did Copernicus complete his theory? (Para 3),Between 1510 and 1514 he worked on it, gradually improving his theory unti

7、l he felt it was complete.,5. How did he explain changes in the movement of the planets and in the brightness of the stars? When did he publish his idea? (Para 4),He placed a fixed sun at the centre of the solar system with the planets going round it and only the moon still going round the earth. He

8、 also suggested that the earth was spinning as it went round it and this explain changes in the movement of the planets and in the brightness of the stars.,He published his idea as he lay dying in 1543.,6. Why do people think that there is a direct link between his ideas and the work of Isaac Newton

9、, Albert Einstein and Stephen Hawking?,Because his theory is now the base on which all our ideas of the universe are built. His theory replaced the Christian idea of gravity which said things fell to earth because God created the earth as the centre of the universe, He showed this was obviously wron

10、g.,Fill in the blanks with some proper words,Copernicus was _ because he found the earth was not the centre of the solar _, only if you put the sun there did the _ of the other planets in the sky _ He kept improving his new theory until he felt it was _ in 1514. He Suggested that the earth was _ as

11、it went round the sun . His Friends were_ _ and encouraged him to publish his ideas, but Copernicus was _ He didnt want to be_ by Christian Church. In fact , he was right . The Church _ his theory ,saying it was against Gods idea.,confused,system,movements,make sense .,complete,spinning,enthusiastic,cautious,attacked,rejected,路漫漫其修道远，吾将上下而求索。屈原 读不在三更五鼓，功只怕