人教版高一英语必修三Unit4Astronomythescienceofthestrars-Warm

人教版高一英语必修三Unit4Astronomythescienceofthestrars-Warmingup(课件)(共65张PPT)人教版高一英语必修三Unit4Astronomythescienceofthestrars-Warmingup(课件)(共65张PPT)人教版高一英语必修三Unit4Astronomythescienceofthestrars-Warmingup(课件)(共65张PPT)Howmuchdoyouknowabouttheuniverse?2020/12/182人有了知识，就会具备各种分析能力，明辨是非的能力。人教版高一英语必修三Unit4Astronomythesci1Howmuchdoyouknowabouttheuniverse?2020/12/182Howmuchdoyouknowabout202Astronomyisoneoftheoldestsciences.Itisthescientificstudyofcelestialobjects(suchasstars,planets,comets,nebula,starclustersandgalaxies)andphenomenathatoriginateoutsidetheEarth'satmosphere(suchasthecosmicbackgroundradiation).Itisconcernedwiththeevolution,physics,chemistry,meteorology,andmotionofcelestialobjects,aswellastheformationanddevelopmentoftheuniverse.Astronomyisamultidisciplinarysubjectandusesknowledgefrombothmathandphysics.2020/12/183AstronomyisoneoftheoldestThinkaboutthesequestionsandthendiscussthemwithyourpartner.Inoursolarsystemeightplanetscirclearoundthesun.Whatarethey?Canyoumatchthenameswiththeplanets?2020/12/184Thinkaboutthesequestionsansolarsystem太阳系2020/12/185solarsystem2020/12/185

2020/12/1862020/12/186Mercury(水星)Venus(金星)Mars(火星)Jupiter(木星)Uranus(天王星)Neptune(海王星)Earth(地球)Saturn(土星)2020/12/187Mercury(水星)Venus(金星)Mars(火星)Ju2020/12/1882020/12/188SunVenusMercuryMarsJupiterSaturnEarthPlutoNeptuneUranus2020/12/189SunVenusMercuryMarsJupiterSatu2.Whatinterestsyouinastronomy?Doyouknowanyquestionsthatastronomersareinterestedin?2020/12/18102.WhatinterestsyouinastroAristotle亚里斯多德Metaphysics(宇宙哲学)2020/12/1811AristotleMetaphysics2020/12/18张衡(78AD-139AD),earliestastronomerinChinaLaterHanDynastySeismography地震仪InventedseismographyandtheArmillarySphere(浑天仪)soastoobservetheuniverseandpredictearthquake

2020/12/1812张衡(78AD-139AD),SeismograpGalileo伽利略Galileomadeaseriesofprofounddiscoveriesusinghisnewtelescope,includingthemoonsoftheplanetJupiterandthephasesoftheplanetVenus(similartothoseofEarth’smoon).2020/12/1813Galileo伽利略GalileomadeaseCopernicus哥白尼sun-centeredorheliocentric(以太阳为中心)theory2020/12/1814Copernicussun-centered2020/12IsaacNewton,牛顿1642—1727Universalgravitation万有引力gravity地心引力,重力2020/12/1815IsaacNewton,UniversalgravitaEinstein,Albert(1879-1955)爱因斯坦Relativity(相对论)andtheCosmos(宇宙)2020/12/1816Einstein,AlbertRelativity(相Thetheoryaboutblackholes(黑洞理论)霍金2020/12/1817Thetheoryaboutblackholes霍Blackholes2020/12/1818Blackholes2020/12/1818Satellites卫星2020/12/1819Satellites卫星2020/12/1819Spaceflights(太空飞行)Cheer

up

FloatWeightlessCarbin2020/12/1820Spaceflights(太空飞行)CheerupF2020/12/18212020/12/18212020/12/18222020/12/18222020/12/18232020/12/1823astronomy

biochemistry

geophysics

medicine__________thescientificstudyoftreatmentofdiseasesandinjures___________thestudyofthechemistryoflivingthings_________thescientificstudyoftheearth’satmosphere,oceansandclimate__________thescientificstudyofobjectsinspace,suchasplanets,stars,cometsand“blackholes”astronomymedicinebiochemistrygeophysicsFillintheblanks.2020/12/1824astronomybiochemistrygeo

astronomy

physicsmathematicsmedicine

biologychemistry2020/12/1825astronomy

medicinegeophysics

geologyphysics

biochemistry

biologychemistry2020/12/1826geophysics

biochemistry

2020/Unit4Astronomy:thescienceofthestarsReading1导学案272020/12/1827Unit4272020/12/1827U4,B3 Astronomyreading1导学案

【使用说明与学法指导】

1．自学：20分钟自学25-26页课文（学有余力者可课前完成整份导学案）。1）先快速浏览课文，把握文章的主旨大意，完成【自主学习】Tasks1-2。2）再快读课文1遍，在课文中划出新单词和有用的短语句型。3）难以理解的句子可参考书本83-85页课后注释以及《金版学案》，仍未解决的要用问号标注出来，等待堂上质疑解决。【学习目标】

1.深入理解课文，掌握文章结构，培养快速阅读，整体理解的能力。2.通过自主学习，合作探究，学会分析生命发展过程并熟练运用知识点。3.本文是科普文章，属于说明文，学会抓住文章要说明的主要问题：地球上生命的起源的几个主要阶段。282020/12/1828U4,B3 Astronomyreading1【自主学习】TaskIScantheText“Howlifebeganontheearth”andchoosethebestanswer.1.FromParagraph1wecanknowthatstarsarecreatedfrom________?

A.airB.atomsC.rocksD.ice29B2020/12/1829【自主学习】29B2020/12/18292.Whatdoestheword“they”refertointhesentences“Itexplodedloudlywithfireandrock.Theywereintimetoproducecarbon,nitrogen,watervapourand...”inParagraph2?

A.Planets.B.Stars.C.Gases.D.Fireandrock.30D2020/12/18302.Whatdoestheword“they”r3.Whichistherightorderofdevelopmentoflife?A.Smallcleveranimals→shellfish→dinosaurs→mammals.B.Shellfish→dinosaurs→smallcleveranimals→mammals.C.Shellfish→dinosaurs→mammals→smallcleveranimals.D.Dinosaurs→shellfish→mammals→smallcleveranimals.31C2020/12/18313.Whichistherightorderof4.Whyaremammalsdifferentfromotherlifeforms?A.Theygivebirthtoyoungbabyanimalsandproducemilktofeedthem.B.Theyproduceyounggenerallybylayingeggs.C.Theyareabletoliveonlandaswellasinthewater.D.Theyliveongrass.32A2020/12/18324.Whyaremammalsdifferentf5.Whatproblemiscausedbyhumanbeings?

A.Theyexisteverywhereontheearth.B.Theycauseglobalwarming.C.Theyfindnewmethodsofgrowingcrops.D.Theyenjoyhuntingandfishing.33B2020/12/18335.WhatproblemiscausedbyhTaskII

ReadtheParagraph2,3,4ofthetext“Howlifebeganontheearth”againandfinishthetimeline.ADevelopmentofLife(1)1.(BigBang):Theearthwasstillacloudof________.2.(Between4.5and3.8billionyearsago):Thedustsettledintoasolid______.3.(explode):Watervaporandsomeothergaseswereproducedandmadetheearth's____________.34dustglobeatmosphere2020/12/1834TaskIIReadtheParagraph4.(cooldown):_____________appearedonthesurface.5.(lifebegan):Arrivalofsmall_______onthesurfaceofthewater.35Waterplants2020/12/18354.(cooldown):_____________DevelopmentofLife(2)6.(multiply):Theoceansandseaswerefilledwith_______andthedevelopmentofshellfishandotherfishwereencouraged.7.(next):Greenplantsbegantogrowon_________.8.(followedintime):Landanimalssuchasinsectsand__________.9.(plantsgrewintoforests):_______appearedforthefirsttime.10.(afterthat):Hugeanimals,called__________developed.11.(dinosaursdisappeared):Itmadetheriseof_________ontheearthpossible.landamphibiansdinosaursmammalsoxygenReptiles362020/12/1836DevelopmentofLife(2)landampTaskIIIIntensiveReading:Readthetext“Howlifebeganontheearth”againandthenfillinthefollowingchart:372020/12/1837TaskIIIIntensiveReading38WaterLandanimalshumanbeings2020/12/183838WaterLandanimalshumanbeingParagraph1Paragraph2Paragraph3Paragraph4Paragraph5MainBodyAwidelyaccepted_______abouttheformationofthe_________.Theformationofthe_____.Theimportanceof_____forlife.Thedevelopmentof____and________ontheearth.Thearrivalof_______andtheirimpactonthe______.universeearthwaterplantsanimalshumansearththeory392020/12/1839Paragraph2Paragraph3Paragrap

40TaskVDiscussingroupsandgivethemainideaofthetextinabout30words:短文解释了生命是如何在地球上开始的。首先,地球爆炸产生水。因为水的存在，然后植物和动物,包括人类依次在地球上出现。Summary(1) Thepassageexplains____lifebeganontheearth.Theearthe________andproducedwater.Thenplantsandanimalsi________humanbeingsappearedint____becauseofthee_______ofwater.(31words)howxplodedncludingurnxistence2020/12/1840

40TaskVDiscussingroupsa41Summary（2）Thepassageexplainshowtheearth_________(form)andhowlifebegananddevelopontheearthafterthe_________(appear)ofwater.___alsomentionshowhuman________(act)haveaffectedtheearth.(32words)wasformed

appearanceItactivities2020/12/184141Summary（2）wasformedapTaskVICompletethefollowingpassage：Nooneknowsexactly1.____theearthbegan.Accordingtoawidelyacceptedtheory,theearthbeganwitha“BigBang”,2.______explodedloudlyandproducedwatervapourmanygases,3._______(make)theearth’satmosphere.Astheearthcooleddown,waterappearedandstayed4.___thesurface.Itwasthepresenceofwater5.____allowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseas,whichmade6.__possibleforlifetodevelop.42howmakingonthatitwhich2020/12/1842TaskVICompletethefollowFirst,theappearanceofsmallplantsencouragedthedevelopmentofearlyshellfishandallsortsoffish.Next,greenplantsbegantogrowonland.7._____werefollowedbylandanimals.Soreptilesappearedforthefirsttime.Later,dinosaursdeveloped.8._________,theysuddenlydisappeared.Afterthat,mammalscameintobeing.Finally,humansappearedandspreadallovertheearth.However,theyareputtingtoomuchcarbondioxideintotheatmosphere,makingtheearthtoohot9.________(live)on.Sowhetherlifewillcontinueontheearthwilldependon10._________thisproblemcanbesolved.43TheyHowevertolivewhether2020/12/1843First,theappearanceofsmallHomework【Homework】：FinishExercise1-3onpage28inthetextbook.【学后反思】______________________________________________________________442020/12/1844Homework【Homework】：FinishExParagraph1Paragraph2Paragraph3Paragraph4Paragraph5MainBodyAwidelyacceptedtheoryabouttheformationofthe_________Theformationofthe_____Theimportanceof_____forlifeThedevelopmentof____and________ontheearthThearrivalof_______andtheirimpactonthe______universeearthwaterplantsanimalshumansearthEx.12020/12/1845Paragraph2Paragraph3ParagrapPuttheorderofdevelopmentoflifeintoatimeline.

1.Insectsandamphibiansappeared.3.Theearthbecameasolidball.5.Reptilesappeared.7.Theearthwasacloudofdust.9.Shellfishandotherfishappeared.10.Cleveranimalswithhandsandfeetappeared.2.Dinosaursappeared.4.Smallplantsgrewonthewater.6.Plantsbegantogrowondryland.8.Waterappearedontheearth.10.Theuniversebeganwitha“BigBang”.12.Mammalsappeared.1234567891011122020/12/1846Puttheorderofdevelopmento-encepresent —— presenceviolent —— violenceconfident —— confidencedifferent —— differencepatient —— patienceadjective —— nounDiscoveringusefulwordsandexpressions (P28)1 Usecorrectprefixorsuffixforeachword.2020/12/1847-enceDiscoveringusefulwordsun-certain —— uncertainfair —— unfairpaid —— unpaidlike —— unlikekind —— unkindpositive —— negativeDiscoveringusefulwordsandexpressions (P28)1 Usecorrectprefixorsuffixforeachword.2020/12/1848un-Discoveringusefulwordsa-alculture —— culturalglobe —— globaluniverse —— universalagriculture —— agriculturalmathematics—— mathematicalnoun —— adjectiveDiscoveringusefulwordsandexpressions (P28)1 Usecorrectprefixorsuffixforeachword.2020/12/1849-alDiscoveringusefulwordsa-istart —— artistphysics —— physicistchemistry —— chemistbiology —— biologistscience —— scientistn.(concept) —— n.(person)Discoveringusefulwordsandexpressions (P28)1 Usecorrectprefixorsuffixforeachword.2020/12/1850-istDiscoveringusefulwords1 Atthebeginning,theearthhadno____.A.dustB.atomsC.water D.matter2Thedevelopmentofaplanetgenerallydependson____combiningtogether. A.atomsB.rocksC.gases D.water3The____ofmammalshappenedafterthedisappearanceofthedinosaurs. A.harmfulB.systemC.spreadD.method4Mammals____whentheanimalsthatwereharmfultothemdisappeared.A.prevented B.multiplied C.depended D.existedDiscoveringusefulwordsandexpressions (P28)2 Choosethecorrectwordtofillin:CACB2020/12/18511 Atthebeginning,theearthfundamentalastronomygavebirthtoexistedAsaresultatomsprevents…frompuzzleDiscoveringusefulwordsandexpressions (P28)3 Completethefollowingpassage.2020/12/1852fundamentalDiscoveringusefulEmotionalwordsviolentangryrudeshockedexcitedcrazyDiscoveringusefulwordsandexpressions (P28)4 Groupthefollowingadjectives.Calmwordspatientgentlerelaxingkindeasy-goingcalm2020/12/1853EmotionalwordsDiscoveringuseDiscoveringusefulstructures(Page29) 1 Findalltheexamplesofsubjective clauseinthereadingpassage. Examples:

Whatitwastobecomewasuncertainuntilbetween4.5and3.8billionyearsago…

随后它会变成什么没人能知道，直到38–45亿年前… …itwasnotclearwhethertheshapewastolastornot. …不知道这个形状是否会继续存在下去。2020/12/1854DiscoveringusefulstructuresDiscoveringusefulstructures(Page29) 1* Whatisevenmoreimportantisthattheearthcooleddown,… (L13)

更为重要的是，地球冷却了下来，…* Itwasnotimmediatelyobviousthatwaterwastobefundamentaltothedevelopmentoflife. (L19) 水会对生命的发展起关键作用，这一点在当时并不明显。2020/12/1855DiscoveringusefulstructuresDiscoveringusefulstructures(Page29) 1 * Whatmanyscientistsbelieveisthatthecontinuedpresenceofwaterallowtheearth… (L21)

很多科学家相信，持续存在的水使得地球…2020/12/1856DiscoveringusefulstructuresDiscoveringusefulstructures(Page29) 1 * Whytheysuddenlydisappearedstillremainsamystery. (L41)

他们为什么会突然灭绝至今仍是个谜。* Sowhetherlifewillcontinueontheearthformillionsofyearstocomewilldependonwhetherthisproblemcanbesolved. (L50)

所以，在未来的数百万年中，生命能否在地球上延续取决于这个问题能否得到解决。2020/12/1857Discoveringusefulstructures2 Rewritethefollowingsentences.1 Hisdiscoveryhasnotyetbeenproved. What_________________________ _______________.2 Dotheotherastronomersaccepthisideas?Itremainsaquestion. Whether__________________________ __________________________.hasnotyetbeenprovedishisdiscoverytheotherastronomersaccepthisideasremainsaquestionDiscoveringusefulstructures(Page29)2020/12/18582 Rewritethefollowingsenten2 Rewritethefollowingsentences.3 Thefirstappearanceoflifeonearthisstillamysterytoscientists. How_____________________________ _____________________.4 Whyistheearthbecomingwarmer?Itisanimportanttopicforresearch. Why______________________________ ____________________________.lifefirstappearedonearthisstillamysterytoscientistsDiscoveringusefulstructures(Page29)theearthisbecomingwarmerisanimportanttopicforresearch2020/12/18592 Rewritethefollowingsenten2 Rewritethefollowingsentences.5 StephenHawkingat65experiencedzerogravityduringaflight.Itamazedeverybody. Itama