新人教必修三-Unit-4-Astronomy-Reading[课件].ppt

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1、ReadingHOWLIFEBEGANONTHEEARTH海王星Saturn水星Uranus金星Venus地球Earth火星Mars木星Mercury土星Jupiter天王星NeptuneAQuizGame1.Howoldistheearth?A.About3.5billionyearsB.About4.5billionyearsC.About5.5billionyearsD.About6.5billionyears2.______oftheearthsurfaceiscoveredbywater.A.20%B.30

2、%C.50%D.70%3.HowmanyplanetsarethereintheSolarSystem?A.6B.7C.8D.94.Whatisthetotalpopulationofhumansontheearth?A.About3.5billionB.About4.5billionC.About5.5billionD.About6.5billion5.Howlongdoestherotation(自转)oftheearthtake?A.12hoursB.24hoursC.amonthD.365days6.Whic

3、hcontinentisthesmallest?A.AfricaB.NorthAmericaC.SouthAmericaD.Oceania7.OnwhatdayistheEarthdaycelebrated?A.April22B.May4C.August21D.November118.Whichoceanisthelargest?A.ThePacificOceanB.TheArcticOceanC.TheIndianOceanD.TheAtlanticOcean9.Whichcountryhasthelargesta

4、rea?A.CanadaB.ChinaC.RussiaD.U.S.APredictionLookatthepicture.Doyouknowthetopicofthisunit?Doyouknowhowourlifebeganontheearth?Afterthe“BigBang”,theearthwasfullofwater.Originalcellsappearedintheocean.Thecellsinthewaterbegantoseparate.Marineanimalscameintobeing.Som

5、eanimals(amphibian&insects)cametoland.Reptileappeared.dinosaursMammalsManhadevolvedfromapes.Theydevelopednewmethodsofgrowingfood,huntingandmovingaround.Astimewentbytheycoveredtheearthandhavebecomethemostimportantanimalsontheplanet.Pre-readingDoyouknowanyancient

6、ideaaboutthebeginningoftheuniverse?BigBangPanguseparatestheskyfromtheearth.中国神话传说中有盘古开天地的说法。巨人盘古用一把利斧劈开混沌,将天地分开。死后,他的气息化成风和云,声音变成轰轰的雷声,左眼化为太阳,右眼化为月亮,手足与四肢变成大地的四极与五方的名山,血液化成江河,筋脉铺成道路,肌肉形成田地,须发成为星星,牙齿和骨骼化为金属、珍珠、玉石,汗水成为滋润万物生长的甘霖和雨露。Nvwamadehumans.Otherlegendsabout

7、thebeginningofuniverse.TheBiblicalAccountDay1:GodspokeandseparatedlightfromdarknesscreatingDayandNight.Day2:Godspokeandseparatedthewatercreatingskyandocean.Day3:Godspokeandcreateddryland.Day4:Godspokeandcreatedthesun,moonandstars.Day5:Godspokeandcreatedlivingcr

8、eaturesintheairandsea.Day6:Godspokeandcreatedthelandanimalsandman.Day7:GodrestedandblessedthisdaycallingitHoly.IndiaBrahmaisthegodfirstrepresentedintheHinduTriad.Heisthecrea