unit-4-warming-up.ppt

Astronomy:thescienceofthestars,Unit4,1.Tolearnthebasicknowledgeaboutsolarsystem2.Togetsomethinginterestingaboutastronomy3.Togetmoreabouttheoriginoftheearth4.Toarousethestudentsinterestinastronomy,stars,supermoon,thebigbang,theblackhole,Whatdoyouknowaboutastronomy?,Astronomyisasciencethatstudiescelestialobjectssuchasplanets,moons,stars,comets,nebulae(星云)&galaxies.,SolarSystem,Whatsthis?,Doyouknowanythingaboutthesolarsystem?,star恒星,planet行星,Whichisastar?Whichisaplanet?,Inoursolarsystemeightplanetscirclearoundthesun.,1111,Whatarethenamesoftheeightplanetsthatcirclearoundthesun?,TheRomangoddessoflove,TheRomangodofwar,Mercury水星,Earth地球,Mars火星,Saturn土星,Neptune海王星,Venus金星,Jupiter木星,Uranus天王星,Withtheexceptionoftheearth,alloftheplanetsinoursolarsystemhavenamesfromGreekorRomanmythology.,TheRomangodofmerchantsandtravellers,ThekingoftheRomangods,TheRomangodofseedsandsowing,TheGreekgodofthesky,TheRomangodofthesea,MoreinformationaboutSolarsystem.,Somefactsaboutastronomy:,Wecanonlydetectabout5%ofthematterintheuniverse.,TheSunscorereleasestheequivalentof100billionnuclearbombseverysecond.,Lightfromdistantstarsandgalaxiestakessolongtoreachusthatweareactuallyseeingtheseobjectsastheyappearedinthepast.,Shootingstars(流星)reallyarentstars.Theyareusuallyjusttinydustparticlesfallingthroughouratmosphere.,EventhoughMercuryistheclosestplanettotheSun,temperaturestherecanreach-280degreesFonitssurface.,Earthistheonlyplanetnotnamedafteragod.,Somefactsaboutastronomy:,1.Howoldistheearth?A.About3.5billionyearsB.About4.5billionyearsC.About5.5billionyearsD.About6.5billionyears2._oftheearthsurfaceiscoveredbywater.A.20%B.30%C.50%D.70%3.Whatisthetotalpopulationofhumansontheearth?A.About3.5billionB.About4.5billionC.About5.5billionD.About6.5billion4.Howlongdoestherotation(自转)oftheearthtake?A.12hoursB.24hoursC.amonthD.365days,LetsturntotheEarththeplanetweshouldknowwell.NowdoaquiztoseehowmuchyouknowaboutourplanettheEarth.,5.Whichcontinentisthesmallest?A.AfricaB.NorthAmericaC.SouthAmericaD.Oceania6.OnwhatdayistheEarthdaycelebrated?A.April22B.May4C.August21D.November117.Whichoceanisthelargest?A.ThePacificOceanB.TheArcticOceanC.TheIndianOceanD.TheAtlanticOcean8.Whichcountryhasthelargestarea?A.CanadaB.ChinaC.RussiaD.U.S.A,Theoriginoflifeonearthisaquestionthatinterestsastronomers.Whatdoyouknowaboutit?,Eachreligionandculturehasitsownideasabouthowlifebeganonearth.Whatdoyouknow?,P251&2,Panguseparatestheskyfromtheearth.,ChineseVersion1,Nvwamadehumans.,ChineseVersion2,TheBiblicalAccount,WesternVersion,Day1:GodspokeandseparatedlightfromdarknesscreatingDayandNight.Day2:Godspokeandseparatedthewatercreatingskyandocean.Day3:Godspokeandcreateddryland.Day4:Godspokeandcreatedthesun,moonandstars.Day5:Godspokeandcreatedlivingcreaturesintheairandsea.Day6:Godspokeandcreatedthelandanimalsandman.Day7:GodrestedandblessedthisdaycallingitHoly.,IndianVersion,BrahmatheHindugodofcreation,Heisthecreatoroftheuniverseandalllivingbeingsaresaidtohaveevolvedfromhim.,平面图,ModernV