人教版必修五Unit1GreatScientistsReading课件2

1、Unit1 Great ScientistsPeriod 1 Warming up & reading Nobel Prize in 2019solar systemWhile-readingCopernicusWhat theory was commonly accepted as a belief about the center of the world?What theory did Copernicus come up with?Before Copernicus theoryShowing Copernicus theoryearthSunearthSunPara.1not mat

2、chfind a problemCopernicuss feelingsconfusedHe found that the earth was not the centre of the solar system.frightenedThe powerful Christian Church would have punished him.make a questionHe wondered if his theory was right.Para.2What were the problems Copernicus find?Some planets in the sky seemed to

3、 stop, move backward and then go forward in a loop. Others appeared brighter at times and less bright at others.collect resultsPara.3How did Copernicus analyze the results?He observations of the stars.collectedHe used his mathematical calculations.He worked on it and improved it for years.He made ch

4、anges to the old theory. revolutionary 4人教版必修五Unit1 Great Scientists Reading 2（共15张ppt）人教版必修五Unit1 Great Scientists Reading 2（共15张ppt）Para.4Para.1 he could not tell anyone Para.4 he showed it privately to his friendsWhat made Copernicus transition?人教版必修五Unit1 Great Scientists Reading 2（共15张ppt）人教版必修

5、五Unit1 Great Scientists Reading 2（共15张ppt）revolutionary changesthe sunthe earththe moonfixedspinningorbiting the sunorbiting the earthPara.4find supporting evidence人教版必修五Unit1 Great Scientists Reading 2（共15张ppt）人教版必修五Unit1 Great Scientists Reading 2（共15张ppt）Para.4Why did Copernicus only publish his

6、ideas as he lay dying?His friends were enthusiastic and encouraged him to do so.Copernicus was cautious.find supporting evidence人教版必修五Unit1 Great Scientists Reading 2（共15张ppt）人教版必修五Unit1 Great Scientists Reading 2（共15张ppt）cautiousPara.4cowardlySomeone says that Copernicus is a coward, who puts off t

7、he further discovery of the universe, whats your opinion?vs.If you describe someone as cowardly, you disapprove of them because they are easily frightened and avoid doing dangerous and difficult things.人教版必修五Unit1 Great Scientists Reading 2（共15张ppt）人教版必修五Unit1 Great Scientists Reading 2（共15张ppt）Valu

8、e of his theoryPara.5His theory replaced the Christian idea of gravity.He laid a foundation for future astronomy study.Why is it a revolutionary theory?draw a conclusion人教版必修五Unit1 Great Scientists Reading 2（共15张ppt）人教版必修五Unit1 Great Scientists Reading 2（共15张ppt）Post-readingJohannes KeplerHe modifie

9、d the system, making it better.Isaac NewtonAlbert EinsteinStephen William HawkingHe invented calculus, further understanding of the planets movement.He put forward a theory about hole theory.He put forward the theory of relativity.人教版必修五Unit1 Great Scientists Reading 2（共15张ppt）人教版必修五Unit1 Great Scientists Reading 2（共15张ppt）Post-readingPara.1Para.2Para.3Para.4Para.5find a problemmake up a questionthink of a methodcollect resultsanaly