Download Astronomy Test over Jovian Planets

Name: ______________________ Class: _________________ Date: _________
Astronomy Test over Jovian Planets
Multiple Choice
Identify the choice that best completes the statement or answers the question.
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1. Which of the following planets do scientists NOT consider a major planet?
a. Saturn
c. Pluto
b. Mercury
d. Neptune
2. Which of the following planets is similar to Uranus in terms of its size and mass?
a. Pluto
c. Saturn
b. Neptune
d. Jupiter
3. The least dense planet in the solar system is
a. Jupiter
c. Saturn
b. Neptune
d. Uranus
4. The smallest Jovian planet in the solar system is
a. Jupiter
c. Saturn
b. Neptune
d. Uranus
5. Which of the following planets has the most complex ring system?
a. Neptune
c. Uranus
b. Jupiter
d. Saturn
6. About how thick would one of Saturn’s ring be?
a. one meter
c. 1,000 meters
b. 10 meters
d. one kilometer
7. Jupiter’s Great Red Spot is a
a. vast canyon
c. frozen ocean
b. raging storm
d. massive volcano
8. The majority of Jupiter is made up of
a. nitrogen and oxygen
c. helium and oxygen
b. rock and water
d. hydrogen and helium
9. The excess heat from Jupiter likely comes from
a. tidal bending
c. residual heat of creation
b. slow nuclear fusion
d. meteoric bombardment
10. The dark regions on Jupiter are called
a. bands
c. belts
b. zones
d. rings
11. Io is the only moon in the solar system with active
a. tectonics
c. geysers
b. volcanoes
d. landforms
12. The largest moon in the solar system is
a. Io
c. Luna
b. Ganymede
d. Europa
13. The moon with the most reasonable chance for a large liquid ocean is
a. Io
c. Europa
b. Ganymede
d. Calisto
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ID: A
Name: ______________________
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ID: A
14. The internal hear of the Jovian moons is probably a result of
a. radioactive material
c. residual heat
b. tidal bending
d. gravitational contraction
15. What can be said about the rotational movement of Jupiter?
a. it is retrograde
c. it causes the planet to “bulge”
b. it perpendicular to the Sun
d. higher latitudes rotate more quickly
than the equator
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16. Jupiter emits about how much energy, compared to how much it receives?
a. 1/2 the energy received
c. 2 times the energy received
b. the same amount as energy received
d. 20 times the energy received
17. Jupiter’s magnetic field is a result of a rapid rotation and
a. a solid core of iron
c. a large core of metallic helium
b. a liquid core of iron
d. a large core of metallic hydrogen
18. The Galilean moons are
a. Io, Europa, Ganymede and Titan
c. Titan, Calisto, Pitpo and Snyder
b. Io, Europa, Ganymede and Calisto
d. Calisto, Europa, Titan and Ganymede
19. Saturn’s rings are made of
a. ammonia ice and rocks
c. metallic hydrogen and rocks
b. water ice and small rocks
d. rocks and cosmic dust
20. The planet that “lays on its side” with respect to its orbit is
a. Jupiter
c. Uranus
b. Saturn
d. Neptune
21. That distance, where a moon will lose structural integrity and be shredded apart by the gravity of a
large planet, is called the
a. event horizon
c. Ring demarcation
b. Roche limit
d. Gravity highmark
22. Pluto is no longer considered a planet because
a. It does not control most of the mass in c. It is too small
its orbit
b. It is too far away from the Sun
d. Is it not a gas giant
23. The “f” ring of Saturn kept in a tight orbit because of
a. the Roche limit
c. shepherd satellites
b. tidal bending
d. gravity of other rings
24. Pluto was named after
a. the god of agriculture
c. the god of chaos
b. the god of the sky
d. the god of the underworld
25. Titan is a moon around what planet?
a. Jupiter
c. Uranus
b. Saturn
d. Neptune
26. Who discovered the rings of Saturn (but did not know what they were)
a. Kepler
c. Newton
b. Galileo
d. Brache
27. Ice cracks in the polar regions of Earth resemble the surface of what moon, most closely?
a. Europa
c. Titan
b. Io
d. Ganymede
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Name: ______________________
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ID: A
28. The cores of the Jovian planets are made up of (to the best of our knowledge)
a. Rocks
c. Metallic hydrogen
b. Water ice
d. Ammonia ice
29. The cores of the Jovian planets are the size of (to the best of our knowledge)
a. a small city
c. 10 times the size of Earth
b. the earth
d. 100 times the size of Earth
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ID: A
Astronomy Test over Jovian Planets
Answer Section
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