WGUl C165l Finall Examl Reviewl (Latestl 2025/l 2026l Update)l Integratedl Physicall Sciencesl |Questionsl &l Answers|l Gradel A|l 100%l Correctl (Verifiedl Solution)
Q:l Whatl dol astronomersl meanl whenl theyl referl tol thel Milkyl Way?
Answer:
Ourl ownl galaxy
Q:l Whichl ofl thesel bestl describesl al galaxy?
Answer:
Al groupl ofl billionsl ofl starsl heldl togetherl byl gravity
Q:l Newton'sl lawsl ofl motion,l withl hisl lawl ofl universall gravitation,l accountl forl howl Earthl movesl aroundl thel sun.l Recalll thatl accelerationl isl al changel ofl velocity,l andl thatl velocityl isl describedl byl bothl speedl andl direction.l Whatl doesl anl acceleration,l orl changel inl velocity,l NOTl involve?
Answer:
Movingl atl constantl speedl orl direction
Q:l Whichl forcel accountsl forl Earth'sl moonl movingl inl al nearlyl circularl pathl aroundl Earth?
Answer:
Gravityl betweenl Earthl andl thel moon
Q:l solarl system
Answer:
thel collectionl ofl objectsl thatl orbitl al star
Q:l planet
Answer:
al large,l sphericall objectl thatl orbitsl al star
Q:l moon
Answer:
al naturallyl formedl objectl thatl orbitsl al planet 1 / 4
Q:l asteroids
Answer:
veryl small,l rockyl bodiesl thatl orbitl thel sun
Q:l comets
Answer:
relativelyl small,l icy,l dustyl bodiesl thatl travell aroundl thel sunl inl veryl ellipticall orbits
Q:l Whichl phrasel bestl describesl thel sunl (al star)?
Answer:
Al veryl massivel celestiall bodyl thatl emitsl lightl andl otherl formsl ofl radiantl energyl asl al resultl ofl nuclearl fusion
Q:l Whichl ofl thel followingl isl al large,l sphericall celestiall objectl thatl circlesl al starl directly?
Answer:
Al planet
Q:l Whichl ofl thel followingl isl al naturallyl formedl objectl thatl orbitsl al planet?
Answer:
Al moon
Q:l Whatl isl al smalll rockyl bodyl thatl orbitsl thel sun,l mostlyl foundl inl al largel beltl betweenl Marsl andl Jupiter?
Answer:
Anl asteroid
Q:l Whichl phrasel bestl describesl al comet?
Answer:
Smalll objectl madel ofl icel andl dustl thatl orbitsl thel Sunl inl longl ellipticall orbits
Q:l Whichl isl anl innerl planetl ofl ourl solarl system?
Answer:
Venus
Q:l Whatl isl thel compositionl ofl thel outerl planets?
Answer:
Theyl arel lowl densityl andl gaseous 2 / 4
Q:l Whatl isl thel compositionl ofl thel innerl planets?
Answer:
Theyl arel densel andl rocky correct
Q:l axisl ofl rotation
Answer:
thel imaginaryl linel froml thel Northl Polel tol thel Southl Polel onl whichl al planetl rotates
Q:l Supposel Earth'sl rotationl onl itsl axisl slowedl significantly.l Whatl wouldl bel thel mostl likelyl resultl ofl thisl change?
Answer:
Dayl andl nightl wouldl lastl longer.
Q:l Supposel youl havel al spaceshipl capablel ofl travelingl tol thel distantl reachesl ofl thel universe.l Onl suchl al journey,l youl willl encounterl al widel varietyl ofl interestingl andl amazingl astronomicall objects,l alll governedl byl thel samel basicl lawsl ofl naturel thatl youl havel beenl studyingl inl thisl coursel (inl particular,l thel lawl ofl gravitationall attraction).l Answerl thel followingl questionsl asl youl travell froml distantl stars,l throughl ourl solarl system,l andl eventuallyl backl tol Earth.l
Onl yourl journey,l youl encounterl al cloudl ofl gasl particles.l Asl thel forcel ofl gravityl pullsl thesel particlesl closerl together,l whichl ofl thel followingl propertiesl ofl thel gasl alsol increases?
Answer:
Alll ofl thesel increase
Q:l Yourl spacecraftl entersl al largel spirall galaxy.l Whatl doesl itl havel atl itsl center?
Answer:
Al blackl hole
Q:l Asl youl travell throughl thel spirall galaxy,l youl passl byl al starl withl severall planetsl orbitingl it.l Supposel thel forcel ofl gravityl betweenl thel planetsl andl theirl starl wasl suddenlyl turnedl off.l Whichl ofl thel followingl BESTl describesl thel motionl ofl thel planetsl inl thel absencel ofl anyl gravitationall force?
Answer:
Theyl wouldl movel inl al straightl line.
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Q:l Youl returnl tol yourl solarl systeml andl flyl froml thel outerl edgel ofl thel systeml towardl thel sun.l Whichl planet'sl orbitall pathl willl youl crossl first?
Answer:
Neptune
Q:l Asl yourl spacecraftl passesl Jupiterl andl approachesl Marsl andl Earth,l youl narrowlyl avoidl al collisionl withl al rockyl objectl aboutl 30l kilometersl across.l Whatl wouldl thisl objectl bel classifiedl as?
Answer:
Anl asteroid
Q:l Becausel ofl Earth'sl tiltl andl sphericall shape,l lightl froml thel sunl strikesl thel Northernl Hemispherel ofl Earthl atl al differentl anglel thanl itl strikesl thel Southernl Hemisphere.l Thus,l thel differentl hemispheresl arel heatedl unequallyl byl thel sun.l Whenl thel Northernl Hemispherel experiencesl thel seasonl ofl fall,l whichl seasonl doesl thel Southernl Hemispherel experience?
Answer:
Spring
Q:l Yourl spacecraftl hasl thel abilityl tol monitorl surfacel temperaturesl ofl al planet.l Asl youl reachl Earth,l whatl dol yourl scansl ofl thel planetl showl aboutl thel surfacel temperatures?
Answer:
Oppositel seasonsl forl eachl hemisphere
Q:l Whatl explainsl thisl differencel inl seasonsl onl Earth?
Answer:
Earth'sl tilt
Q:l Whatl seasonl isl itl whenl al hemispherel isl tiltedl mostl stronglyl towardl thel sun?
Answer:
Summer
Q:l Atl thel timel ofl yourl observations,l thel Northernl Hemispherel isl experiencingl thel summerl season.l Howl isl thisl hemispherel tiltedl withl respectl tol thel sun?
Answer:
Tiltedl towardl thel sun
Q:l Youl concludel yourl journeyl byl performingl al detailed,l comprehensivel scanl ofl Earthl overl al periodl ofl severall months.l Whichl ofl thel followingl statementsl regardingl yourl observationsl ofl Earthl isl correct?
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