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We all know something about Copernicus. 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 goes around it. 3. Copernicus didn’t show his new theory to his friends until he completed it. 4. His friends were not interested in his ideas. * Preview Exx 1 &2 in Handout No 7 Nicolaus Copernicus Copernicus' Revolutionary Theory Nicolaus Copernicus born: in Poland in 1473 died : May 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 goes around it. 全部参与，讨论高效，每个同学都能谈出符合自己目前水平的看法。 目标 1.小组讨论，小组长首先安排任务先一对一分层 讨论，再小组内集中讨论。 2.讨论时，笔不离手、随时记录，争取在讨论时就能将错题解决。 3. 在课文中画出与true or false 题相关的句子。 要求 认真阅读课文，探讨“探究案”中的I,II题。 内容 At Copernicus’ time, Christian Church was in charge of many western countries. T Read the passage quickly, and tell whether the following statements are true or false. T F 2. Copernicus noticed that observed from the earth, some planets appears in front of or behind the earth. F 5. Since he was not afraid of being attacked by the Church, Copernicus published his book as soon as he finished working on it. | 
