Project #1836 - Intro to Astronomy

1. The most recent period of lunar crater formation occurred during the Moon's _____ period.
a. Copernican
b. Eratosthenian
c. Imbrian
d. Pre-Nectarian
2. Which of the following best represents the polar
regions of the Moon?
a. heavily cratered 
b. covered by icy polar caps
c. heavily covered by ancient lava flows
d. the youngest region of the lunar surface
3. The vast majority of craters on the lunar surface
are classified as
a. bowl
b. terraced with peaks
c. multi-ring craters
d. basins
4. Lunar craters with the brightest rays would have
been formed during the _____ period.
a. Copernican
b. Eratosthenian
c. Imbrian
d. Pre-Nectarian
5. Bowl craters represent the 
a. smallest type of crater on the lunar surface.
b. the depressions at the tops of lunar volacanic
cones
c. dried lake basins on the lunar surface
d. the first type of craters that formed on the
moon
6. Which of the following offers the most rational
explanation for a dusty lunar surface?
a. ancient seas deposited soft sediments on the
lunar surface
b. debris from passing comets has collected on the
lunar surface
c. the lunar surface has been bombarded by
countless meteors
d. debris from passing asteroids has collected on
the lunar surface
7. Structures similar in appearance to Earth's meandering river channels that are found on the lunar mare are referred to as
a. ripples
b. tholus volcanoes
c. scarps
d. a correct answer does not appear for this
question
8. Lunar mare formation started on the lunar surface
during the _____period.
a. Copernican
b. Eratosthenian
c. Pre-Nectarian
d. a correct answer does not appear for this
question
9. The vast majority of the lunar craters were
produced by
a. volcanic explosions
b. collapse pits
c. radial implosions
d. a correct answer does not appear for this
question
10. KREEP found on the lunar surface represents
a. the youngest lunar volcanic rocks
b. remains of comet impacts
c. dust
d. a correct answer does not appear for this
question
11. Which of the following would represent the surface of the lunar lowlands?
a. mare
b. crater rays
c. mountains
d. central peaks
12. Why do so many craters on the moon lack ray
patterns?
a. the rays from older craters have been destroyed by direct or overlapping impacts
b. most craters do not produce rays or ejecta 
c. the lunar atmosphere destroyed any meteor
capable of producing rays
d. a correct answer does not appear for this
question
13. How many manned missions to the Moon actually
landed astronauts on the surface?
a. 6
b. 7
c. 8
d. 9
14. Gravity on the lunar surface approximates _____of
that found at the surface of the Earth.
a. one-quarter
b. one-third
c. one-half
d. a correct answer does not appear for this
question
15. Which of the following is untrue about the Moon? 
a. lunar rocks are generally formed from the same
elements as those found on Earth
b. the Moon has a crust, mantle, and core
c. lunar rocks contain abundant amounts of
organic matter
d. lunar rocks are generally older than rocks found on the Earth
16. Which of the following is untrue when describing
Earth's crustal plates?
a. crustal plates vary in size
b. some crustal plates are composed mostly of
ocean floor
c. some crustal plates contain nearly equal
portions of continental crust and ocean floor
d. the entire crust is of the same age
17. Which of the following would not occur when two
plates carrying the Earth's continental crust collide?
a. a mountain chain forms 
b. an old seafloor is destroyed
c. volcanoes form near the trench or subduction
zone
d. the magnetic orientation of ocean floor rocks
at any nearby trench will reverse
18. Which of the following is not a characteristic of
a shield volcano found on the Earth?
a. shallow or gradual slopes
b. caldera at the summit or top of the cone
c. produces fluid lavas 
d. produces large plumes of water enriched dark ash
19. The Himalayan mountain range was formed to due to 
a. the collision of multiple micro-continents
b. the creation of ocean floor at a subduction
zones or trenches
c. the formation of Pangaea
d. the collision of large continental size masses 
20. Eolian related events on Mars form
a. ice caps
b. surface fissures
c. igneous structures
d. sand dunes
21. Lobate flow patterns surrounding impact craters
are commonly found on
a. Mars
b. Moon
c. Phobos
d. Mercury
22. Volcanoes on Mars 
a. are only clustered on the Tharsis region
b. active and changing the surface
c. are not found south of the equator
d. a correct answer does not appear for this question
23. Time on Mars is measured in units of
a. sols
b. yardangs
c. months
d. axial tilt changes
24. The approximate average surface air pressure on
Mars is_____ millibars.
a. 6
b. 20
c. 50
d. 100
25. Rolling plains are the most common type of surface on 
a. Mercury
b. Mars
c. Phobos
d. a correct answer does not appear for this question
26. Which of the following has an axial tilt closest
to 0 degrees?
a. Mercury
b. Venus
c. Mars
d. Earth
27. The Caloris Basin found on Mercury is considered to have formed as the result of
a. a meteor or asteroid impact
b. the shrinking of the planet during formation
c. crustal rifting
d. the co-creation of the planet with a moon
28. The polar caps of Mars 
a. are larger in the winter and smaller in the
summer
b. remain the same size all year long
c. are smaller in the winter and larger in
the summer
d. are continually increasing in size
29. Which of the following has the larger number of
volcanic structures on its surface?
a. Mercury
b. Venus
c. Mars
d. Moon
30. Cliffs (scarps) and a multitude of craters are
prominent features of the surface of
a. Mercury
b. Venus
c. Mars
d. Io

True or False

31. A lunar month is 21 days long.
T
F
32. Apollo 12 landed on a region of the Sea of
Serenity.
T
F
33. Lunar rocks contain more water than those formed
on Earth.
T
F
34. The near side of the Moon has a greater number of
mare than the far side. 
T
F
35.Plate boundaries have not been observed on the surface of Mars.
T
F
36. Less than 5 % of the lunar farside is formed of
mare.
T
F
37. The oldest regions of the Earth's ocean floor
would be located next to a continent.
T
F
38. Volcanoes found on Earth do not need to be
located near plate boundaries to be active.
T
F
39. Approximately 95 % of all of the volcanoes on Venus are found on the continent named Aphrodite.
T
F
40. Only shield volcanoes are found on the surface of
Venus.
T
F
41. An ice cap composed of frozen water can be found at the northern pole of Mercury.
T
F
42. Aphrodite and Ishtar are the names used for
continents found on Venus.
T
F
43. Vulcan is the name used for a mythical planet once
thought to orbit the Sun between Mercury and Venus..
T
F
44. The Mare Orientale is a prominent impact structure found on Mercury.
T
F
45. Mt. Olympus (Olympus Mons) is a volcanic cone
found in the southern hemisphere of Mars.
T
F
46. The "canals" of Mars were first observed by
Galileo in 1609.
T
F
47. Phobos and Deimos are satellites of Mercury.
T
F
48. The major component of the Martian atmosphere is
nitrogen.
T
F
49. The major component of the atmosphere of Venus is nitrogen.
T
F
50. Images of Mercury indicate that volcanoes are found in
similar numbers when compared to Venus.
T
F
51. The Tharsis region is found at the southern polar region of Mars.
T
F
52. Water vapor currently exists within the atmosphere
of Venus.
T
F
53. The average surface temperature of Mars
approximates minus 30 degrees F.
T
F
54. Well defined tectonic plate boundaries are found
on the surface of Venus. 
T
F
55. The magnetic field of Mercury is stronger than
that of the Earth.
T
F
56. Mariner 14 was the first spacecraft to explore
Mercury.
T
F
57. Seasonal dust storms occur on an annual basis in
the southern regions of Venus.
T
F
58. No more than 160 volcanoes have been identified or discovered on the surface of Venus.
T
F
59. According to the Roche Limit, any moon that is
more than 375,000 miles from the surface of the planet that it orbits cannot have volcanic activity of any type.
T
F
60. The Earth's San Andreas fault represents a
convergent type of plate boundary.
T
F

Subject Science
Due By (Pacific Time) 01/06/2013 12:00 am
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