Unit-4-Astronomy教案.docx
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1、Unit4Astronomy:thescienceofthestarsI二单元敦学目标技能目标SkillGoalsTalkaboutthescienceofthestars,thedevelopmentoflifeandspacetravelandgravity.Practisegivinginstructions.Practisetalkingabutproblemsinstudyorlife.1.earntouseNounClausesasthesubject.1.earn(owriteanessaytoshowyourproblemsandtheway(oovercomethem.II
2、.目标语音Talkaboutthescienceofthestars,thedevelopmentoflifeandspacetravel功andg11vity能Wheredowccomefrom?句Howdid(heuniversebegin?式Whyistheuniversethewayitwas?Howwillitend?Howmuchdoyouknowaboutuniverse?Doyouwanttohaveaspacetravel?Doyouknowsomethingaboutgravity?Doyouknowsomethingaboutblackholes?Practisegivi
3、nginstructionsPleaselookat/listeno.Pleasecheckthat.Youneed.Pleasepayattentionto.Don,tforgetto.Youdbetter.Makesureyou.Watchoutfor.Youmustnt.PracticetalkingaboutproblemsinstudyorlifeMyproblemis.Thedifficultyis.Mytroubleis.Thequestionis.Myadviceis.WhatIthinkaboutitis.Tliefactis.Mysuggestionis.词汇I四会词汇as
4、tronomy,system,religiontheoryatombillionglobeviolentCarbOnatmosphereunlikefundamentalharmfulacidchainmultiplyoxygenexistthusdioxidepuzzlebiologybiologistgravitysatellitegentlephysicistclimatecrashspaceshippullfloatmass2认读词汇astronomer,biochemistry,geophysics,solar.BigBang,vapour,nitrogen,dissolve,amp
5、hibian,reptile,generally,mammal,global,comet.IssacNewton.AlbertEinstein,StephenHawking,lessen,wcighllcssly,cabin,exhaust,exclaim3msolarsystem,intime,layeggs,givebirthto,inonesturn,carbondioxide,prevent.from,blockout.cheerup.nowthat,breakout.watchout语法NounClausesasthesubjectNounClausesasthesuectisals
6、ocalledtheSubjectClause.ThatmeansaNounClauseservesasSubjectinthesentence.ThewordswhicharcusedinthisNounClauseare:that,whether,who.Wha1.which,when,where,how.why,etc.Example1. Whatitwasiobecomewasamystery.2. Itwasnotclearwhether(hesolidshapewastolastornot.III .教材分析与教材鼠1 .教材分析本单元以astronomy:thescienceof
7、thestars,thedevelopmentoflife,spacetravelandgravity为话题,通过本堆元的几篇阅读材料使学生对以上问题有所了解,并通过文章中的,些探讨性的问题,比如,11Ieearthmaybecomethotforthelivesonit.Thenwhatwillourfuturebe?使学生更好地了解我们的地球和我们的生活环境,并引发对“地球的将来如何的热情探讨,通过这些探讨激发学生对天文学r解和探究的剧烈爱好.通过探讨登月球须要的物品和可能遇到的困难学会提出问题和解决问题的表达方法,并能就此写出一篇表达合理思路清晰的短文。1.1 WARMINGUP以探讨的
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