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1、Unit4Astronomy:thescienceofthestars,Astronomyisthescientificstudyoftheuniverseandtheheavenbodies(suchasthesun,themoon,andstars),gas,anddustwithinit.,astronomer,solarsystem,eightplanetsmanycometsotherobjects,WhataretheEnglishnamesoftheeightplanetsthatcircleoursun?,solarsystem,Mercury,Mars,Venus,Satur
2、n,Jupiter,Neptune,Uranus,Earth,海王星Neptune,水星Mercury,金星Venus,地球Earth,火星Mars,木星Jupiter,土星Saturn,天王星Uranus,Pluto,Pre-reading,2.Eachreligionandculturehasitsownideasabouthowlifebeganonearth.Whatdoyouknow?InChina,weallknowthatPanguseparatestheskyfromtheearth.,Panguseparatestheskyfromtheearth,中国神话传说中有盘古开天劈
3、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。,Otherlegendsaboutthebeginningofuniverse,TheBiblicalAccount,Day1:GodspokeandseparatedlightfromdarknesscreatingDayandNightDay2:Godspokeandseparatedthewatercrea
4、tingskyandoceanDay3:Godspokeandcreateddryland,Day4:Godspokeandcreatedthesun,moonandstarsDay5:GodspokeandcreatedlivingcreaturesintheairandseaDay6:GodspokeandcreatedthelandanimalsandmanDay7:GodrestedandblessedthisdaycallingitHoly,HowLifeBeganontheEarth,TheBigBang,Para.1Para.2Para.3Para.4Para.5,Awidely
5、accepted_abouthowtheuniversewasformed,The_oftheearth,Theimportanceof_forlife,The_ofplantsandanimalsontheearth,Thearrivalof_andtheirimpactontheearth,theory,formation,water,development,humans,Howlifebeganontheearth,Beforelifeappeared.,Differentlivesdeveloped.,Part1(para13)Beforelifeappeared,Accordingt
6、oawidelyacceptedtheory,howdidthestarsform?Howdidtheearthsatmosphereform?Whywastheearthdifferentfromtheotherplanets?Whatarolethewaterplayedinthedevelopmentoflife?,1.Accordingtoawidelyacceptedtheory,howdidthestarsform?2.Howdidtheearthsatmosphereform?,Theuniversebeganwitha“BigBang”thatthrewmatterinalld
7、irections,thenatomsbegantoformandcombinetocreatestars.,Theearthwassoviolent.Itexplodedloudlywithforeandrocktoproducecarbon,nitrogen,watervaporandothergases,whichweretomaketheatmosphere.,3.Whywastheearthdifferentfromtheotherplanets?4.Whatarolethewaterplayedinthedevelopmentoflife?,Becausethewateronoth
8、erplanetshaddisappearedlater.,Thepresenceofwaterallowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseas.Thisproduceachainreactionwhichmadeitpossibleforlifetodevelop,Part2(para45)Howthelifedeveloped,1.Makeatimelineofthedevelopmentoflife2.Whydidtheplantsgrowbeforetheanimalscame?3.Whyisitwron
9、ginfilmsandstoriestoshowdinosaursandpeopletogether?,1.,2.,3.,4.,5.,6.,smallplantsOnsurfaceofwater,Earlyshellfishandallsortsoffish,greenplantsonland,landanimals,insects(onland)amphibian(onlandandinwater),Mammals-cleveranimals,forestsreptiles(hugeanimal-dinosaurs),3.Whyisitwronginfilmsandstoriestoshow
10、dinosaursandpeopletogether?,2.Whydidtheplantsgrowbeforetheanimalscame?,Becauseplantsprovideoxygenforanimalstobreathe.,Becausedinosaursdiedoutlongbeforehumanbeingsdevelopedontheearth.,Acloudofdustasolidballpresenceofwateronthewatershellfish&otherfishplantsbegintogrowondrylandinsectsandamphibiansappearretilesappeardinosaursappearmammalsappear,Thedevelopmentoflife,insectsandamphibiansappear,reptilesappear,dinosaursappear,mammalsappear,1.Retellthepassageaccordingtotheform.2.Supposeyouweretheearth,whatwouldyouadvisehumanstodo?Writealettertothehumanbeing.,Homework,Thankyouverymuch!Goodbye!,