2023学年完整公开课版一年级英语-astronomyreading

Unit4Astronomy:thescienceofthestarsWarmingupWhat’sthemeaningoftheword“astronomy”?thescienceofstars/thescientificstudyofstarsandplanets.2.Whatwordswillyouthinkofwhenwetalkaboutthistopic?star,planet,thesun/moon/earth,solarsystemHowlifebeganontheearthEachreligionandculturehasitsownideasabouthowlifebeganonearth.Whatdoyouknow?ThegodPangucreatedtherichandbeautifulworldwithhisbody.ThegoddessnamedNvWabegantomakeclaymenafterPanGuandherself.WesternlegendGodcreatedAdamandEveDoyoubelieveinsuchstories?Aretheybasedonscience?Paragraph1:Paragraph2:Paragraph3:Paragraph4:Paragraph5:AwidelyacceptedtheoryabouttheformationoftheuniverseTheformationoftheearthTheimportanceofwaterforlifeThedevelopmentofplantsandanimalsontheearthThearrivalofhumansandtheirimpactontheearthMatchthemainideaofeachparagraph.Fastreading:Para.1:Para.2:Para.3:Para.4:Para.5:AwidelyacceptedtheoryabouttheformationoftheuniverseTheformationoftheearthTheimportanceofwaterforlifeThedevelopmentofplantsandanimalsontheearthThearrivalofhumansandtheirimpactontheearthStage1:ThedevelopmentoftheearthStage2:ThedevelopmentoflifeHowlifebeganontheearthCarefulreadingStage1:Thedevelopmentoftheearth(1)AftertheBigBang,whatwastheearthlike?

acloudofdust

asolidglobe4.5-3.8billionyearsago,thedustsettledintosoviolentthatitexplodedwithfireandrock

producedcarbondioxide,nitrogen,watervapourandgases(2)Whathappenednext?Waterappeared(3)Whatisevenmoreimportant?Waterisimportantforthebeginningoflifeontheearth.theearthcooleddownBecausewaterallowedtheearthtodissolveharmfulgasesintooceansandseas.Whyiswatersoimportantforthebeginningoflife?Stage2Thedevelopmentoflifelifeinwaterlifeonlandsmallplantsappearsinwater1.Whatlifedevelopedafterwaterappeared?Shellfishandallsortsoffishfilledtheoceanwithoxygengreenplantsbegantogrowonlandlandanimals&insectsappeared2.Whataboutthelifeonland?amphibiansonlandandinthewaterforests&reptilesmammalsonlanddinosaursdevelopedsuddenlydisappearedsmallcleveranimals3.Fillintheblanks.1.smallplantsinwater2.shellfishandallsortsoffish4.insectsreptilesamphibiansmammalsdinosaurshumansplantsanimals3.greenplantsonland5.forestsThedevelopmentoflifeAfterthe“bigbang”,theearthwasstilljustacloudof_______,it_________loudlywithfireandrock,whichwere______toproducethe_________,watervapourandothergases.Then________begantoappearedontheearth.dustexplodedintimecarbonwaterpost-reading____________inwaterareconsideredtobetheearliestlivesontheearth.TheO2theysuppliedencouragedthelivesof____________________.Slowlygreenplantsgrewonland,whichwerefollowedby_____________likeinsects&___________.Whentheplantsgrewinto______,______appeared.Then_______developedbutdisappearedlater,whichmadetheriseofatotallydifferentanimal,_______,possible,andfinally________spreadallovertheworld.shell--fishandfishamphibiansforestsreptilesdinosaursmammalhumansThesmallplantslandanimalsDiscussionAccordingt