高中英语 Unit1 Reading and Writing课件 新人教必修5.ppt
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1、Reading&Writing2021/8/11 星期三1Nicolaus Copernicus born:in Polandin Poland in 1473in 1473 died:May 24,1543May 24,1543 He was one of the first scientists to use mathematical observations to collect information.He believed the sun is the center of the universe and the earth and other planets went around
2、 it.2021/8/11 星期三2 Nine Planets In the Solar System 2021/8/11 星期三3 Showing Copernicus theory A diagram showing the solar system with the earth at its centre A diagram showing the solar system with the sun at its centre skimmingBefore Copernicus theory 2021/8/11 星期三4Careful readingRead the text caref
3、ully,then answer these questions2021/8/11 星期三5(1)Why could he not tell about his theory?(Para 1)Because the powerful Chistian Church would have punished him for even suggesting such an idea(2)What was his theory about?(Para 1)All his mathematical calculations led to the same conclusion:that the eart
4、h 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.2021/8/11 星期三6(3)What had the astronomers noticed in the sky?(Para 2)They had noticed that some planets in the sky seemed to stop,move backward and then go forward in a
5、 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 until he felt it was complete.2021/8/11 星期三7(5)How did he explain changes in the movement of the planets and in th
6、e 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 also suggested that the earth was spinning as it went round it and this explain changes in the movem
7、ent of the planets and in the brightness of the stars.He published it as he lay dying in 15432021/8/11 星期三8 (6)Why do people think that there is a direct link between his ideas and the work of Isaac Newton,Albert Einstein and Stephen Hawking?Because his theory is now the base on which all our ideas
8、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 wrong.2021/8/11 星期三9 If you were Nicolaus Copernicus,would you have hidden your theory for so many year
9、s?Give reasons2021/8/11 星期三10Debate2021/8/11 星期三11 As a scientist,one should be brave.But Copernicus was afraid of being attacked by the Christian Church.So he had hidden his theory for so many years.What do you think of this?Agree:1.He was cautious.if he had published his ideas,he would have been k
10、illed just as Bruno who was burned to death because his theory was against the Christian Church.2.Every time when a new idea appears,there are always rejections.Its normal.Scientists should have patience to spread their truth.3.It made no sense for him to publish his theory in a hurry.He was just ca
11、utious not coward.He should protect himself first.2021/8/11 星期三12 Disagree:1.Copernicus was very coward.He should speak out his discovery and let the world know the truth earlier.2.Science can never advance unless people have the courage of their beliefs.3.As a scientist,you must have the courage to
12、 publish your findings.No matter how people oppose them,time will show if your ideas are right or wrong.2021/8/11 星期三13Write a short letter asking Copernicus to publish his ideas so everyone can read them.Write a short letter asking Copernicus(not)to publish his ideas so everyone can read themPracti
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