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Study Guide Answer Key Astronomy Moon 2012

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Study Guide Answer Key Astronomy Moon 2012 Powered By Docstoc
					                       Study Guide Answer Key
                        Astronomy –The Moon

1.    The moon formed billions of years ago when Earth collided with a
     Mars-sized object.
 2. 1.) The moon was captured by Earth’s gravity.
     2.) The moon and Earth condensed from the same cloud of dust and gas.
     3.) Earth ejected molten material that became the moon.
 3. The moon’s period of rotation is the same as its period of revolution
 4. rotation, revolution
 5. 28 days
 6. 28 days
 7. 1/6
 8. Mercury, Venus
 9. Luna
10. 1969
11. captured asteroids
12. satellite
13. Craters
14. Maria
15. light/highland
16. Galileo
17. igneous rock and iron core
18. moonquakes, seismographs
19. moon phases
20. Earth
21. waxing
22. waning
23. full
24. penumbra
25. umbra
26. corona
27. solar
28. The moon’s shadow only falls on a small section of the Earth.
29. 8 minutes
30. 1 ½ hours
31. Moon’s orbit is tilted 5˚relative to Earth’s path.
32. 5˚
33. penumbra
34. red
35. umbra
36. eclipse
37. lunar
38. new
39. the rise and fall in sea level
40. moon, sun
41. rise in sea level
42. fall in sea level
43. when the moon and sun’s gravity pull at right angles to one another-
     very little difference between high and low tides
44. when the moon and sun’s gravity pull in the same direction- large
    differences between high and low tides
45. 1st and 3rd quarters
46. new and full moon
47. neap
48. spring
49. crescent
50. gibbous
51. The moon is one quarter of the way around Earth.
52. The moon is three quarters of the way around Earth.
53. new moon
54. full moon
55. moon phases
56. left
57. right
58. blue moon
59. Be able to recognize these in a picture.
60. Be able to recognize these in a picture.

				
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posted:1/17/2013
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