《Unit1-Using-languageppt -新人教版必修5课件.ppt》由会员分享，可在线阅读，更多相关《Unit1-Using-languageppt -新人教版必修5课件.ppt（14页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、Using Language-Reading&Writing About CopernicuspDo you know what is the center of the solar system?pCan you name the nine planets in the solar system?Mercury MarsVenusEarthJupiterSaturnUranusNeptunePlutoMercury 水星水星 Venus 金星金星Earth 地球地球 Mars 火星火星Jupiter 木星木星 Saturn 土星土星Uranus 天王星天王星 Neptune 海王星海王星Pl
2、uto 冥王星冥王星Nine Planets in the Solar System:Nicolaus Copernicus born:in Poland in 1473 died:May 24,1543 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 th
3、e text and draw the two theories of theuniverse with the following pictures.SunearthBefore Copernicus theory Showing Copernicus theoryReading and drawingSunearthBefore Copernicus theory Showing Copernicus theorySunearthearthSun Showing Copernicus theory A diagram showing the solar system with the ea
4、rth at its centre A diagram showing the solar system with the sun at its centre Before Copernicus theory Read the text carefully,then answer these questionsCareful readingBecause the powerful Christian Church would have punished him for even suggesting such an idea2.What was his theory about?(Para 1
5、)All his mathematical 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 sk
6、y?(Para 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 until
7、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 also su
8、ggested 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,Albert Ein
9、stein 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 wrong.Fill in the b
10、lanks 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 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 systemmovementsmake pletespinningenthusiasticcautiousattackedrejected