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Unit1GreatScientistsNewworldsWarmingup1.Doyouknowwhatisthecenterofthesolarsystem?2.Canyounamethenineplanetsinthesolarsystem?NinePlanetsIntheSolarSystem.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NinePlanetsIntheSolarSystem:Mnemonics(记忆术)MercuryVenusEarthMarsJupiterSaturnUranusNeptunePlutoMyVeryEasyMethod:JustSetUpNinePlanets.Canyouuseagoodmethodtomemorizethem?Fastreading1.WhatdidCopernicusthinkwasthecenterofthesolarsystem?2.WhendidCopernicuspublishhistheory?ReadingCopernicus’RevolutionaryTheoryCarefulreadingWhydidn’tCopernicuspublishhistheorybeforehedied?Discussion(pairwork)IfyouwereNicolausCopernicus,wouldyouhavehiddenyourtheoryforsomanyyears?Giveareason.P7.1.Usethereadingtohelpyoudrawthetwotheoriesoftheuniverse.BeforeCopernicus’theoryAdiagramshowingthesolarsystemwiththeearthatitscentreShowingCopernicus’theoryAdiagramshowingthesolarsystemwiththesunatitscentrePersuasivewriting(PleaserefertoP8LearningTip)WritingTask:P73.NowwriteashortletteraskingCopernicustopublishhisideassoeveryonecanreadthem.Firstyouneedtocollectyourideas.Forexample:•Hebelieveshisnewtheoryistrue.•Thereareproblemswiththepresenttheory.•Hehasdonemanyyearsofobservationstoprovehisnewtheoryistrue.•Sciencecan’tdevelopunlesspeoplepublishtheirideas.•Timewillshowifhistheoryistrueornot.Hereisaplan:Beginning:TellCopernicuswhoyouareandwhyyouwanthimtopublishhisideas.Paragraph1:Reason1andevidence.Paragraph2:Reason2andevidence.Summingup:Askhimtothinkagainaboutpublishinghisideas.Onepossibleversion:DearNicolausCopernicus,IamastudentstudyingastronomyandIwouldverymuchliketoreadyournewtheoryaboutthesolarsystem.Ihopeyouwillpublishitforseveralreasons.Iunderstandtheproblemswiththepresenttheory.Thewaytheplanetsmoveisnotwhatyouwouldexpectiftheearthwasthecertreoftheuniverse.Itisalsooddthatthebrightnessofsomestarsseemstochange.SoIagreewithyouthatweneedanewtheory.Iknowyourobservationshavebeenverycarefullycarriedoutovermanyyears.Nowyoumusthavethecouragetopublishthem.Sciencecanneveradvanceunlesspeoplehavethecourageoftheirbeliefs.Iknowyouworryaboutwhatwillhappenifyoupublishyournewtheory.Nomatterhowpeopleopposeit,timewillshowifyourideasarerightorwrong.SoIhopeyouwillfeelyoucanpublishyournewtheory.Yourssincerely,ZhangHuaListening(P5)1.QianXuesenfirststudiedtobeanengineer.2.InAmericahebegantoworkonspacerocketssothathewasabletodevelopaspaceprogrammewhenhecamebacktoChina.3.WhenQianXuesenreturnedtoChinahesepupaSpaceInstitutetobegintrainingpeopleinhowtodesignandbuildrockets.4.InChinahehasbeenhonouredas“thefatherofthespaceprogramme”.5.SteveSmithsuggestedputtingQianXuesen’spictureonMarswhenthefirstChineseastronautlandsthere.