Bx5 Unit 1 Great Scientists-Reading and Writing[课件]

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1、Reading&WritingNicolausCopernicusborn:inPolandin1473died:May24,1543Hewasoneofthefirstscientiststousemathematicalobservationstocollectinformation.Hebelievedthesunisthecenteroftheuniverseandtheearthandotherplanetswentaroundit.NinePlanetsIntheSolarSystemShowingCopernicus’theo

2、ryAdiagramshowingthesolarsystemwiththeearthatitscentreAdiagramshowingthesolarsystemwiththesunatitscentreskimmingBeforeCopernicus’theoryCarefulreadingReadthetextcarefully,thenanswerthesequestionsWhycouldhenottellabouthistheory?(Para1)BecausethepowerfulChistianChurchwouldhav

3、epunishedhimforevensuggestingsuchanidea(2)Whatwashistheoryabout?(Para1)Allhismathematicalcalculationsledtothesameconclusion:thattheearthwasnotthecentreofthesolarsystem.Onlyifyouputthesuntheredidthemovementsoftheotherplanetsintheskymakesense.(3)Whathadtheastronomersnoticedi

4、nthesky?(Para2)Theyhadnoticedthatsomeplanetsintheskyseemedtostop,movebackwardandthengoforwardinaloop.Othersappearedbrighterattimesandlessbrightatothers.(4)WhendidCopernicuscompletehistheory?(Para3)Between1510and1514heworkedonit,graduallyimprovinghistheoryuntilhefeltitwasco

5、mplete.(5)Howdidheexplainchangesinthemovementoftheplanetsandinthebrightnessofthestars?Whendidhepublishhisidea?(Para4)Heplacedafixedsunatthecentreofthesolarsystemwiththeplanetsgoingrounditandonlythemoonstillgoingroundtheearth.Healsosuggestedthattheearthwasspinningasitwentro

6、unditandthisexplainchangesinthemovementoftheplanetsandinthebrightnessofthestars..Hepublisheditashelaydyingin1543(6)WhydopeoplethinkthatthereisadirectlinkbetweenhisideasandtheworkofIsaacNewton,AlbertEinsteinandStephenHawking?Becausehistheoryisnowthebaseonwhichallourideasoft

7、heuniversearebuilt.HistheoryreplacedtheChristianideaofgravitywhichsaidthingsfelltoearthbecauseGodcreatedtheearthasthecentreoftheuniverse,Heshowedthiswasobviouslywrong.IfyouwereNicolausCopernicus,wouldyouhavehiddenyourtheoryforsomanyyears?GivereasonsDebateYes/No◆Asascientis

8、t,oneshouldbebrave.ButCopernicuswasafraidofbeingattackedbytheChristianChurch.Sohehadhidde