資源描述：
《Unit 4 Topic 2 Section C 課件 1》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫(kù)。
1、Unit4AmazingScienceTopic2I’mexcitedaboutthethingsthatwillbediscoveredinthefuture.SectionC課件1Besidestheearth,doyouknowotherplanets?SolarsystemMarsTheRedPlanetWhatdoyouknowaboutMars?Whatdoesitlooklike?=Whatisitlike?(事物)CompareMarswiththeearth:size,color,gravity,te
2、mperature,theoxygenWhatdoyouknowaboutMars?Whatdoesitlooklike?MarsisthefourthplanetfromthesuninoursolarsystemandisnamedafterMars,theRomangodofwar.Itsdiameteris53%aswideasthatoftheearth.Marsgoesaroundthesunatadistanceofabout228millionkilometers.Youcantellwhichplan
3、etisMarsbecauseitisbrightredinthenightsky.Itlookslikearedandorangeball.It’sverybeautiful.Butduringspringandsummer,strongstormscancoverthewholesurfaceofMars.ThegravityonthesurfaceofMarsisabouttwo-fifthsasstrongasitisonearth.Soaperson(whoweighs90kilosonearth)weigh
4、sonly36kilosonMars.ThetemperatureonMarsisbetween-138°Cand28°C.Theairhasonly0.13%oxygen.IttakesaspaceshipabouteightmonthstoreachMarsfromtheearthwhenthetwoplanetsareclosettoeachother.ScientistsarestillsearchingformoreinformationaboutMars.1aReadandanswerthequestion
5、s:1.WhatisMarsnamedafter?It’snamedaftertheRomangodofwar.2.HowfarisMarsfromthesun?Atadistanceofabout228millionkilometers.3.Howmuchdoesapersonweighifheweighs150kilosonearth?60kilos.4.CanhumanbeingsliveonMars?No,because…1bworkaloneRead1aagainandwritedowntheinformat
6、ionaboutMars.Diameter:___________________________________Color:______________________________________Shape:_____________________________________Climate:______________________________________________________________________________________________________________
7、____________Gravity:____________________________________Distancefromthesun:________________________53%aswideasthatoftheearthbrightredinthenightskyaredandorangeballabouttwo-fifthsasstrongasitisonearthabout228millionkilometersDuringspringandsummer,strongstormscanc
8、overthewholesurfaceofMars.ThetemperatureonMarsisbetween–138and28.Keypoints1.atadistanceof+數(shù)字“相隔…遠(yuǎn)”at+價(jià)格：Theysellthericeat5Yuanperkilo.at+速度Hedroveataspeedof90kilomete
