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SPACEREVIEWAnswerKey 1. ThetimeittakesfortheEarthtoaroundthesunisoneyear. a. rotate b. revolve 2. Whichplanetisknownasthe"RedPlanet"? a. Earth b. Mars c. Uranus d. Venus 3. OnecompleterevolutionofEartharoundthesuntakesabout a. onerotation. b. oneseason. c. oneyear. d. oneeclipse. 4. WhenthenorthendoftheEarth'saxisistiltedtowardthesun,NorthAmericawillexperience a. moreindirectraysandshorterdays b. moreindirectraysandlongerdays c. moredirectraysandshorterdays d. moredirectraysandlongerdays 5. Thephaseofthemoonyouseedependson a. whereyouareonEarth'ssurface. b. howmuchofthesunlitsideofthemoonfacesEarth. c. howmuchofthemoon'ssurfaceislitbythesun. d. whetherornotaneclipseisoccurring. 6. Forasolareclipsetooccur, a. thesunmustbedirectlybetweentheEarthandthemoon b. themoonmustbedirectlybetweentheEarthandthesun c. themoonmustbedirectlybehindthesun d. Earthmustbedirectlybetweenthesunandthemoon 7. Duringwhatphasecanalunareclipseoccur? a. newmoon b. firstquarter c. waxinggibbous d. fullmoon 8. Whenaretideshighest? a. duringthemoon'sfirstquarterphase b. whenthesun,Earth,andmoonarenearlyinaline c. duringthemoon'sthirdquarter d. whenthemoonisatarightangletothesun 1of9 9. WhatshapeistheEarth? a. Square b. Sphere c. Oval d. Octagon 10. Whichplanetisclosesttothesun? a. Earth b. Venus c. Pluto d. Mercury 11. ThepositionoftheaxisonEarthisimportantforwhichreason? a. nightandday b. lengthofayear c. seasons d. positioninthesolarsystem 12. WhichisNOTacharacteristicofMercury? a. smallestplanet b. closesettothesun c. dwarfplanet d. namedaftertheRomanmessengergod 13. Plutoisconsideredwhattypeofcelestialbody? a. moon b. gasgiant c. dwarfplanet d. terrestrialplanet 14. ThespinningoftheEarthiscalledits. a. ellipse b. orbit c. axis d. rotation 15. Tidesthatoccurduringfullmoonphasesarecalled. a. neaptides b. springtides c. fulltides 16. Earth'saxisistiltedwithrespecttoEarth'sorbitatanangleof. a. 90degrees b. 45degrees c. 23.5degrees 2of9 17. Theasteroidbeltislocatedbetweenwhichtwoobjectsonthesolarsystemdiagrambelow? a. AandB b. CandD c. EandF d. HandI 18. Describethreewaysinwhichtheinnerandouterplanetsaredifferentfromeachother. Theinnerplanetsaremorecloselyspacedthantheouterplanets.TheinnerplanetsarelikeEarth becausethey'resmall,dense,androcky.Theouterplanetsaremuchlargerandmademostlyof gases. 19. Asmallrockinspaceiscalleda. a. meteor b. meteoroid 20. Whichoftheseplanetsdoesnothaveanymoons? a. Mercury b. Mars c. Uranus d. noneoftheabove 21. WhatcolorisUranus? a. Red b. White c. Blue d. Black 3of9 22. ThisplanetissecondfromtheSun.ItisnamedaftertheRomangodofbeauty.Consideredforalong timeasEarth's"twin".Iscoveredinclouds. a. Mars b. Mercury c. Venus d. Jupiter 23. Thephaseofthemoonthatfollowsthewaninggibbousiscalledthe. a. firstquarter b. newmoon c. thirdquarter 24. Thephaseofthemoonthatfollowsthewaningcrescentiscalledthe. a. fullmoon b. newmoon c. thirdquarter 25. Namethe4gaseousplanetsinoursolarsystem. Saturn,Jupiter,Neptune,Uranus 26. Waxingmeanstogetbigger. 27. ThesunreachesitshighestpointintheskyintheNorthernHemisphereduring. a. June b. December c. March 28. WhyandhowoftendowehaveaLeapYear? Every4yearstokeepourcalendarinalignmentwiththeEarth'srevolutionsaroundthe Sun 29. HowmanydaysdoesittakefortheEarthtotravelaroundthesun? 3651/4 30. Howmanydaysisitfromonefullmoontothenextfullmoon? 291/2 31. Solsticeiswhen a. dayisshorterthannight b. nightisshorterthanday c. twodaysayearwhenthesunisdirectlyoverhead d. alloftheabove 32. Equinox a. meansequalnight. b. happenswhenthenoonsunisdirectlyovertheequator. c. alltheearthhas12hoursofdayand12hoursofnight. d. alloftheabove 4of9 33. StatetheBigBangTheory. theuniverseexpandedfromanextremelyhotanddensestate 34. Listthenamesoftheplanetsintheordertheyorbitthesun. WordBank:Earth,Saturn,Venus,Neptune,Jupiter,Mercury,Mars,Uranus Mercury,Venus,Earth,Mars,Jupiter,Saturn,UranusNeptune 35. Whoprovedthatgalaxiesexist? a. EdwinHubble b. IsaacNewton c. TyroBrahe d. CharlesMessier 36. Listthecolorofstarsfromhottesttocoolest blue,blue/white,white,white/yellow,yellow,orange,red 37. Thepathanobjecttakesaroundthesuniscalled. a. Universe b. Nebulae c. Orbit d. Star 38. Anovalshaped,likeaflatcircleis? a. Meteor b. Universe c. Star d. Elliptical 39. Ahugegroupofstarsthatarefairlyclosetoeachotherinspace? a. Universe b. Galaxy c. Planet d. Model 40. Whichwordmeansthespinningofanobject,suchasaplanet? a. energy b. rotation c. universe d. astronaut 5of9 41. Thediagramshowsour. a. galaxy b. universe c. solarsystem 42. InertiaandcombinetokeepEarthinorbitaroundthesun. a. gravity b. distance c. universal 43. yourweightisconstantanywhereintheuniverse. a. True b. False 44. Themostcommonphaseofmatterintheuniversefoundinallstarsisa. a. Solid b. Liquid c. Gas d. Plasma 45. TheEnglishmathematicianandscientistwhoformulatedthelawofuniversalgravitationwas a. Galileo b. Newton c. Huygens d. Cavendish 46. Whydogalaxiesappeartomoveawayfromeachother? a. Galaxiesarespinning. b. Theuniverseisexpanding. c. Othersmoveclosertogether. d. Starsstillarebeingborn. 6of9 47. Newton'sLawofUniversalGravitationstatesthatthestrengthofgravitationalforcebetweentwo objectsdependsontheirmassesandthedistancebetweenthem. 48. Thelengthofdaylightanddarknessvariesdependingonthe a. weather b. precipitation c. climate d. season 49. TheclimatechangethatcausesheavierthannormalprecipitationintheUnitedStatesanddroughtin AustraliaandAfricais. a. seasons b. ElNino c. sunspots 50. Whataretheseasonsinorder? a. Summer,Spring,Winter,Fall b. Summer,Fall,Spring,Winter c. Summer,Winter,Fall,Spring d. Summer,Fall,Winter,Spring 7of9 51. ThediagramsbelowshowthepositionsoftheSun(A),Earth(B),andMoon(C).Circlethediagram thatrepresentswhenafullmoonwouldbeobservedfromEarth. 2nddiagram 8of9 52. ThediagrambelowshowsthemoonindifferentpositionsasitorbitstheEarth.Write"solareclipse"on theline(s)bythemoon'sposition(s)whereasolareclipsemaypossiblybeseenfromEarth.Write "lunareclipse"ontheline(s)wherealunareclipsemaypossiblybeviewedfromEarth. SolarEclipse-whenmoonisdirectlybetweentheEarthandlightfromsun(3:00on diagram) LunarEclipse-whenEarthisbetweenthemoonandlightfromthesun(9:00on diagram) 53. TheEarthistiltedonitsaxis.Thiscausesa. dayandnight b. phasesofthemoon c. theseasons d. ayear 9of9