高中英语《1 Great scientists》period 3 新人教版必修5

1、Great Scientists,Do you know what is the center of the solar system? Can you name the nine planets in the solar system,Warming up,Mercury 水星 Venus 金星 Earth 地球 Mars 火星 Jupiter 木星 Saturn 土星 Uranus 天王星 Neptune 海王星 Pluto 冥王星,Nine Planets In the Solar System,Fast reading Listen to the tape, and find out

2、the answers to the questions. 1. What did Copernicus think was the center of the solar system? 2.When did Copernicus publish his theory,Reading Copernicus Revolutionary Theory,Careful reading Why didnt Copernicus publish his theory before he died,Discussion (pair work) If you were Nicolaus Copernicu

3、s, would you have hidden your theory for so many years? Give a reason,P7. 1.Use the reading to help you draw the two theories of the universe,Before Copernicus theory A diagram showing the solar system with the earth at its centre,Showing Copernicus theory A diagram showing the solar system with the

4、 sun at its centre,Exercises,One possible version: Dear Nicolaus Copernicus, I am a student studying astronomy and I would very much like to read your new theory about the solar system. I hope you will publish it for several reasons. I understand the problems with the present theory. The way the pla

5、nets move is not what you would expect if the earth was the certre of the universe. It is also odd that the brightness of some stars seems to change. So I agree with you that we need a new theory,I know your observations have been very carefully carried out over many years. Now you must have the cou

6、rage to publish them. Science can never advance unless people have the courage of their beliefs. I know you worry about what will happen if you publish your new theory. No matter how people oppose it, time will show if your ideas are right or wrong. So I hope you will feel you can publish your new theory. Yours sincere