MULTIPLE CHOICE. Choose the one alternative that best completes the ... the one alternative that best completes the statement or answers the ... the equator, is highest in the sky ... the Northern Hemisphere than ...

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  • Samplequestionsfortest1Name___________________________________ MULTIPLECHOICE. Choosetheonealternativethatbestcompletesthestatementoranswersthequestion.

    1) Atelevisionadvertisementclaimingthataproductislightyearsaheadofitstimedoesnotmakesensebecause________.

    1) _______

    A) lightyearscanonlybeusedtotalkaboutlight B) ituseslightyearstotalkabouttime,butalightyearisaunitofdistance C) itdoesntspecifythenumberoflightyears D) alightyearisanastronomicallylargeunit,soaproductcouldnotpossiblybesoadvanced

    2) WhereisoursolarsystemlocatedwithintheMilkyWayGalaxy? 2) _______

    A) roughlyhalfwaybetweenthecenterandtheedgeofthevisiblediskofthegalaxy B) atthefaredgeofthegalaxysvisibledisk C) inthehaloofthegalaxy D) verynearthecenterofthegalaxy

    3) Whichofthefollowingstatementsdoesnotusethetermangularsizeorangulardistancecorrectly? 3) _______

    A) Theangulardistancebetweenthosetwohousesinthedistanceis30degrees. B) TheangularsizeoftheSunisaboutthesameasthatoftheMoon. C) Youcanuseyouroutstretchedhandagainsttheskytoestimateangularsizesandangular

    distances. D) Theangulardistancebetweenthosetwobrightstarsintheskyisabout2meters.

    4) Supposewelookattwodistantgalaxies:Galaxy1istwiceasfarawayasGalaxy2.Inthatcase,

    ________. 4) _______

    A) weareseeingGalaxy1asitlookedatalatertimeinthehistoryoftheuniversethanGalaxy2

    B) Galaxy2mustbetwiceasoldasGalaxy1 C) Galaxy1mustbetwiceasbigasGalaxy2 D) weareseeingGalaxy1asitlookedatanearliertimeinthehistoryoftheuniversethan

    Galaxy2

    5) Anastronomicalunit(AU)is________. 5) _______ A) theaveragedistancebetweenEarthandtheSun B) anyverylargeunit,suchasalightyear C) thecurrentdistancebetweenEarthandtheSun D) theaveragedistancebetweenanyplanetandtheSun

    6) Allthefollowingstatementsaretrue.Whichoneexplainsthereasonthatthereisnotasolar

    eclipseateverynewMoon? 6) _______

    A) ThenodesoftheMoonsorbitprecesswithan18yearperiod. B) TheorbitalplaneoftheMoonistiltedslightly(byabout5degrees)totheeclipticplane. C) TheMoongoesthroughacompletecycleofphasesaboutevery291/2days. D) TheMoonisonlyabout1/4aslargeasEarthindiameter.

    7) TheSunspath,asviewedfromtheequator,ishighestintheskyon________. 7) _______

    A) thespringandfallequinoxes B) thesummersolstice C) thewintersolstice D) thedaywhenEarthisclosesttotheSun

    8) Whatistheeclipticplane? 8) _______

    A) theplaneofEarthsequator B) theplaneoftheSunsequator

  • C) theplaneofEarthsorbitaroundtheSun D) theplaneoftheMilkyWayGalaxy

    9) Supposewemakeascalemodelofoursolarsystem,withtheSunthesizeofagrapefruit.Whichofthefollowingbestdescribeswhattheplanetswouldlooklike?

    9) _______

    A) Theplanetsrangeinsizefromaboutthesizeofamarbletothesizeofabaseball.Theyarespreadoutoveraregionaboutthesizeofafootballfield.

    B) TheplanetsareallmuchsmallerthantheSunandarespreadoutevenlyoveradistanceaboutthelengthofalargeclassroom.

    C) TheplanetsareallmuchsmallerthantheSun.Fourplanetsarewithinabout20metersoftheSun,whiletherestplanetsarespreadmuchfartherapart.

    D) TheplanetsareallmuchsmallerthantheSun.FourplanetsarelocatedwithinafewcentimetersoftheSun,andfourplanetsarelocatedatdistancesranginguptoaboutameter.

    10) OnascalewheretheSunisaboutthesizeofagrapefruitandtheEarthisabout15metersaway,

    howfarawayaretheneareststarsbesidestheSun? 10) ______

    A) aboutthedistanceacrosstheUnitedStates B) aboutthedistanceacross50footballfields C) aboutthedistanceacrossthestateofDelaware D) 100meters

    11) Thetermobservableuniverserefersto________. 11) ______

    A) theportionoftheuniversethatisnothiddenfromviewby,forexample,beingbelowthehorizon

    B) theportionoftheuniversethatcanbeseenbythenakedeye C) thatportionoftheuniversethatwecanseeinprinciple,giventhecurrentageofthe

    universe D) thatportionoftheuniversethatwehavesofarphotographedthroughtelescopes

    12) WhichofthefollowingstatementsaboutthecelestialsphereisNOTtrue? 12) ______

    A) Thecelestialsphereisanothernameforouruniverse. B) Whenwelookinthesky,thestarsallappeartobelocatedonthecelestialsphere. C) Thecelestialspheredoesnotexistphysically. D) TheEarthisplacedatthecenterofthecelestialsphere.

    13) WhatdowemeanwhenwetalkabouttheMilkyWayinoursky? 13) ______

    A) thespiralshapedgalaxyinwhichwelive B) thepatchybandoflightthatoutlinestheplaneoftheMilkyWayGalaxyasseenfromEarth C) thewhitishpatchoflightweseewhenwelooktowardthecenteroftheMilkyWayGalaxy D) thebrightstarsoftheconstellationsthatliealongtheeclipticinoursky

    14) Duringthetimethataplanetisinitsperiodofapparentretrogrademotion, 14) ______

    A) overmanydaysorweeks,theplanetmoveswestwardrelativetothestars,ratherthantheusualeastwardrelativetothestars.

    B) theplanetmovesbackwards(clockwiseasviewedfromaboveEarthsnorthpole)initsorbitoftheSun.

    C) theplanetappearstoriseinthewestandsetintheeast,ratherthantheusualrisingintheeastandsettinginthewest.

    D) theplanetisgettingclosertotheSuninitsorbit.

    15) WhentravelingnorthfromtheUnitedStatesintoCanada,youllseetheNorthStar(Polaris)getting________.

    15) ______

  • A) higherinthesky B) brighter C) lowerinthesky D) dimmer

    16) Whichofthefollowingbestdescribeswhatwemeanbytheuniverse? 16) ______

    A) thesumtotalofallmatterandenergy B) allthegalaxiesinallthesuperclusters C) avastcollectionofstarsthatnumberasmanyasthegrainsofsandonallthebeacheson

    Earth D) TheuniverseisanothernameforourMilkyWayGalaxy.

    17) HowdoesEarthsvaryingdistancefromtheSunaffectourseasons? 17) ______

    A) ItdoesntEarthsorbitaldistanceplaysnosignificantroleintheseasons. B) ItisresponsibleforthefactthattheseasonsareoppositeintheNorthernandSouthern

    hemispheres. C) ItcausestheseasonstobemoreextremethantheywouldbeiftheEarthsdistancefromthe

    Sunwerealwaysthesame. D) ItmakessummerwarmerintheNorthernHemispherethanintheSouthernHemisphere.

    18) Usingtheideasdiscussedinyourtextbook,inwhatsensearewestarstuff? 18) ______

    A) Wecouldnotsurvivewithoutlightfromourstar,theSun. B) Nearlyeveryatomfromwhichwearemadewasonceinsideofastar. C) Moviestarsandotherpeopleareallmadeofthesamestuff,soweallhavethepotentialto

    befamous. D) Theoverallchemicalcompositionofourbodiesisaboutthesameasthatofstars.

    19) Formostofhistory,thelackofobservablestellarparallaxwasinterpretedtomeanthat________. 19) ______

    A) Galileostheoriesoftheuniversewereessentiallycorrect B) Earthisstationaryatthecenteroftheuniverse C) starsweretoofarawayforparallaxtobemeasuredwithavailabletechnology D) starsmustalllieatthesamedistancefromEarth,onthecelestialsphere

    20) SupposeEarthsaxistiltwassignificantlygreaterthanitscurrent23.5degrees,butEarths

    rotationperiodandorbitalperiodwereunchanged.Whichstatementbelowwouldnotbetrue? 20) ______

    A) TheregionofEarthwheretheSundoesnotriseonthewintersolsticewouldbelarger(extendingfarthersouth)thanitisnow.

    B) PolariswouldnotbeourNorthstar. C) Thelengthofeachseason(forexample,thenumberofdaysfromthesummersolsticetothe

    fallequinox)wouldbesignificantlylongerthanitisnow. D) Summersandwinterswouldbemoresevere(forexample,hotterandcolder,respectively)

    thantheyarenow.

    SHORTANSWER. Writethewordorphrasethatbestcompleteseachstatementoranswersthequestion. 21) Considerthefollowingstatement,andexplainwhetherornotitissensible:WhenI

    lookedintothedarkfissureoftheMilkyWaywithmybinoculars,Isawwhatmusthavebeenaclusterofdistantgalaxies.

    21) _____________

    22) SupposeyoulivedontheMoonnearthecenterofthefacethatweseefromEarth.

    DuringthephaseoffullMoon,whatphasewouldyouseeforEarth?Woulditbedayornightatyourhome?

    22) _____________

    23) StartingfromtheBigBang,brieflyexplainhowoursolarsystemcametocontainthe

    chemicalelementsnecessarytomakeEarthandlivingorganisms. 23) _____________

  • 24) WhatwouldyouseeifyouwereontheMoonduringasolareclipse? 24) _____________

    25) Considerthefollowingstatement,andexplainwhetherornotitissensible:Ifyoulived

    ontheMoon,youdseefullEarthwhenweseenewMoon. 25) _____________

    26) Considerthefollowingstatement,andexplainwhetherornotitissensible:Ifyouhada

    veryfastspaceship,youcouldtraveltothecelestialsphereinabout100years. 26) _____________

    27) Brieflyexplainwhyanexpandinguniverseimpliesabeginning(calledaBigBang). 27) _____________

    28) WhyistheMoonnotcompletelyinvisible(itappearsasaverydeepredcolor)tothe

    nakedeyeduringatotallunareclipse? 28) _____________

    29) IfEarthsaxishadnotilt,wouldwestillhaveseasons?Whyorwhynot? 29) _____________

    30) BrieflyexplainwhatwemeanbythestatementThefartherawaywelookindistance,

    thefurtherbackwelookintime. 30) _____________

    31) Considerthefollowingstatement,andexplainwhetherornotitissensible:Mysignis

    UrsaMajorbecausetheSunwasinUrsaMajorwhenIwasborn. 31) _____________

    32) ProcessofScience:YourfriendhypothesizesthatthephasesoftheMoonareproducedby

    EarthsshadowbeingcastontheMoonssurface.Deviseanexperimenttoproveyourfriendwrong.Describeanobservationyouwillmake(timeofday/night,locationinsky)anddescribewhatyouwillseethatwillclearlydemonstratethatyourfriendsideacannotbecorrect.

    32) _____________

    33) WhydoestheMilkyWayappearasabandoflightinthesky? 33) _____________

    34) Considerthefollowingstatement,andexplainwhetherornotitissensible:Althoughall

    theknownstarsappeartoriseintheeastandsetinthewest,wemightsomedaydiscoverastarthatwillappeartoriseinthewestandsetintheeast.

    34) _____________

    35) WhatwouldyouseeifyouwereontheMoonduringalunareclipse? 35) _____________

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