河北省石家庄市第一中学高中英语 unit4 Astronomy warming up reading教学课件 新人教必修3.ppt

《河北省石家庄市第一中学高中英语 unit4 Astronomy warming up reading教学课件 新人教必修3.ppt》由会员分享，可在线阅读，更多相关《河北省石家庄市第一中学高中英语 unit4 Astronomy warming up reading教学课件 新人教必修3.ppt（18页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、Astronomy:thescienceofthestars 2021/8/8星期日1The universe is made up of stars,planets,and other matterscatteredthroughoutspace.2021/8/8星期日2 TheMilkyWayisalargespiralgalaxy（螺旋星系）measuringabout100,000light-yearsacross.Itisabout14billionyearsoldandtakes225millionyearsorsotorotate（旋转）once.Likeallspirals,i

2、tcontainsplentyofgasanddust,fromwhichnewstarsareformed.Thedensenucleus（核心）istheoldestpartandhasnogasleftfornewstar.2021/8/8星期日3The Solar system1.Mercury(水星)4.Mars（火星）7.Uranus（天王星）2.Venus(金星)5.Jupiter（木星）8.Neptune（海王星）3.Earth(地球)6.Saturn（土星）9.Pluto（冥王星）2021/8/8星期日4Oursolarsystemismadeupofthesunandthe

3、objectsthatorbitit.Theseincludethenineplanets(andprobablymorethannine)andtheirmoons,aswellasasteroids（小行星）,comets,andmeteors（流星）.Thesunistheneareststartotheearth.Itisaglobeofhotgas,mostlyhydrogen（.氢）,andliesatthecenterofoursolarsystem.Itcontainsnosolidmaterial.Starsarelargeballsofhotgasthatproduceli

4、ghtandheatthroughnuclearreactions.OurSunisanaverageyellowstar,butseemsbrightbecauseitissoclose.MercuryTheRomangodofmerchantsandtravellersVenusTheRomangoddessofloveMarsTheRomangodofwarJupiterThekingoftheRomangodsSaturnTheRomangodofseedsandsowingUranusTheGreekgodoftheskyNeptuneTheRomangodoftheseaPluto

5、TheRomangodofthedead2021/8/8星期日5Starsarelargeballsofhotgasthatproducelightandheatthroughnuclearreactions.OurSunisanaverageyellowstar,butseemsbrightbecauseitissoclose.Planetsarethelargestobjectsthatcirclearoundthestars.Theymayberocky,liketheearth,ormademostlyofgasandliquid,likeJupiter.Thewordplanetis

6、Greekforwanderer.Thenamecomesfromthewayplanetsappeartomoveagainstthestarsovertime.Itisthoughtthattheplanetsformedataboutthesametimeasthesun.Astheoriginalcloudofgasanddustcollapsedtoforthesun,some matter was spun out into a flattened disk.Over severalmillion years,the dust and gas gathered together t

7、o form theplanets and moons.Denser rocks gathered near the sun andlightergasesfartherout.2021/8/8星期日6Our planet,the earth,is a large ball of rocksandmetalscoveredwith water and soil.Itbelongs to a group ofnineplanetsthatmovearoundastarcalledthesun.Itissurroundedbyablanketofgasescalled the atmosphere

8、,has one moon,and asfar as we know,is theonlyplanetthatsupportslife.2021/8/8星期日7NASAsMarsdetector（探测器）,Opportunity,succeededinfindingsignsthatwateronceexistedontheplanet.OpportunitylandedonMarsinJanuary.Scientistsnowbelievethattheplanetcouldoncehavesupportedlife.“Althoughwestillcantsaythatlifecouldh

9、aveexistedinthisenvironment,itisnowcertainthattherewaswateronMars,”saidoneofthescientistsworkingontheMarsmission.（任务）2021/8/8星期日8HowLifeBeganontheEarth2021/8/8星期日9Discussion:1.Life is a mystery to our beings.Scientists study theoriginoflifebyexplodingspace.Doyoureallythinkspacefightsaremeaningful?Di

10、scusstheadvantagesanddisadvantagesofspaceflights.2.Why is the earth the only one of all the planets onwhichlifecansurvive?Haslifestartedinotherstarsexceptontheearth?2021/8/8星期日10Read“HowLifeBeganontheEarth”,thenanswerthefollowingquestions:1.Whatsthemainideaofthetext?2.Howmanypartscanthetextbedivided

11、into?Whatsthemainideaforeachpart?Twoparts:Part1(para1):Watermadeitpossibleforlifetobegintodevelop.Part2(para2,3,4):Thedevelopmentoflivingthings.Mainidea:Howlifebeginontheearth2021/8/8星期日11ReadPart1andanswerquestions:1.Howdidwatercomeintobeingontheearth?2.Whatsthesignificanceofthepresenceofwateronthe

12、earth?Itallowedtheearthtodissolveharmfulgasesintooceansandseas.Theexplosionoftheearthproducedwatervapour,whichturnintowaterwhentheearthcooleddown.2021/8/8星期日12ReadPart2andanswerquestions:1.Whyweremammalsdifferentfromdinosaurs?Becausetheyproducetheiryoungfromwithintheirbodies.2.Fillinthediagram:Small

13、plantsinwater1 27893456 2.shellfishandallsortsoffish3.Greenplantsonland4.insects(onland)5.amphibianonlandinwater6.forests7.reptilesonland8.Dinosaursonland9.mammalsonland2021/8/8星期日13Read“HowLifeBeganontheEarth”,fillinthediagramoflifesoriginsandprocess:Harmfulgases1.PlantsintheseasLandplants2.Insects

14、AmphibiansReptilesDinosaursMammalsincluding3_Thehumanbeingswaterlandanimals2021/8/8星期日141.TheBigBangisthetermusedtodescribeahugeexplosionthatscientistsbelievehappenedaround15billionyearsago,creatingouruniverse.NobodyknowswhatcausedtheBigBang,sincewecannotlookbacktoatimebeforeit.Butjustaftertheevent,

15、theuniverseisbelievedtohavebeenaknotoftightlypackedparticlesonlyaboutthesizeofapea.Itstemperaturewastenthousandtrillion,trilliondegreeCelsius.2021/8/8星期日15Homework:discussion:1.Whyisthepresenceofplantsimportantforthedevelopmentoflife?2.Istheearthgettingwarmereachyear?Ifso,whateffectswillthishave?Wha

16、tsthe“greenhouseeffect,”whichsomescientistssaymightdestroyourplant?Willtheburningofcoal,oil,andnaturalgascausetheearthtobecomeadeadplanetlikeVenus?2021/8/8星期日162021/8/8星期日179、静夜四无邻，荒居旧业贫。2022/11/262022/11/26Saturday,November26,202210、雨中黄叶树，灯下白头人。2022/11/262022/11/262022/11/2611/26/20228:15:48PM11、以我

17、独沈久，愧君相见频。2022/11/262022/11/262022/11/26Nov-2226-Nov-2212、故人江海别，几度隔山川。2022/11/262022/11/262022/11/26Saturday,November26,202213、乍见翻疑梦，相悲各问年。2022/11/262022/11/262022/11/262022/11/2611/26/202214、他乡生白发，旧国见青山。26十一月20222022/11/262022/11/262022/11/2615、比不了得就不比，得不到的就不要。十一月222022/11/262022/11/262022/11/2611/

18、26/202216、行动出成果，工作出财富。2022/11/262022/11/2626November202217、做前，能够环视四周；做时，你只能或者最好沿着以脚为起点的射线向前。2022/11/262022/11/262022/11/262022/11/269、没有失败，只有暂时停止成功！。2022/11/262022/11/26Saturday,November26,202210、很多事情努力了未必有结果，但是不努力却什么改变也没有。2022/11/262022/11/262022/11/2611/26/20228:15:48PM11、成功就是日复一日那一点点小小努力的积累。2022/

19、11/262022/11/262022/11/26Nov-2226-Nov-2212、世间成事，不求其绝对圆满，留一份不足，可得无限完美。2022/11/262022/11/262022/11/26Saturday,November26,202213、不知香积寺，数里入云峰。2022/11/262022/11/262022/11/262022/11/2611/26/202214、意志坚强的人能把世界放在手中像泥块一样任意揉捏。26十一月20222022/11/262022/11/262022/11/2615、楚塞三湘接，荆门九派通。十一月222022/11/262022/11/262022/1

20、1/2611/26/202216、少年十五二十时，步行夺得胡马骑。2022/11/262022/11/2626November202217、空山新雨后，天气晚来秋。2022/11/262022/11/262022/11/262022/11/269、杨柳散和风，青山澹吾虑。2022/11/262022/11/26Saturday,November26,202210、阅读一切好书如同和过去最杰出的人谈话。2022/11/262022/11/262022/11/2611/26/20228:15:48PM11、越是没有本领的就越加自命不凡。2022/11/262022/11/262022/11/26N

21、ov-2226-Nov-2212、越是无能的人，越喜欢挑剔别人的错儿。2022/11/262022/11/262022/11/26Saturday,November26,202213、知人者智，自知者明。胜人者有力，自胜者强。2022/11/262022/11/262022/11/262022/11/2611/26/202214、意志坚强的人能把世界放在手中像泥块一样任意揉捏。26十一月20222022/11/262022/11/262022/11/2615、最具挑战性的挑战莫过于提升自我。十一月222022/11/262022/11/262022/11/2611/26/202216、业余生活

22、要有意义，不要越轨。2022/11/262022/11/2626November202217、一个人即使已登上顶峰，也仍要自强不息。2022/11/262022/11/262022/11/262022/11/26MOMODA POWERPOINTLorem ipsum dolor sit amet,consectetur adipiscing elit.Fusce id urna blandit,eleifend nulla ac,fringilla purus.Nulla iaculis tempor felis ut cursus.感感 谢谢 您您 的的 下下 载载 观观 看看专家告诉2021/8/8星期日18