Download Intro to Earth Science Chapter 23 Study Guide

Name _______________________________________ Date ___________ Period _____
Intro to Earth Science
Chapter 23 Study Guide
1. ____________________ is the planet that cannot be classified as either a
terrestrial or a Jovian planet.
2. The densities of the ____________________ planets are about five times the
density of water.
3. A planet’s ability to retain an atmosphere depends on its ____________________
and temperature.
4. A cloud of dust and gas in space is called a(n) ____________________.
5. Planets originally formed when bits of matter collided and clumped together to
form ____________________.
6. Because of its similarities to Earth, the planet ____________________ has been
called “Earth’s twin.”
7. The Martian polar caps are made of ____________________, covered by a thin
layer of frozen ____________________.
8. Although the atmosphere of ____________________ is very thin, extensive dust
storms with wind speeds in excess of 270 kilometers per hour do occur.
9. With at least 28 moons, the planet ____________________ and its satellites
resemble a miniature solar system.
10. The most prominent feature of ____________________ is its system of rings.
11. ____________________ are small rocky bodies that have been likened to “flying
mountains.”
12. The total mass of all asteroids is estimated to be only 1/1000 that of
____________________.
13.
Label the items
pointed out in Figure 23-1.
14. A meteoroid that reaches Earth’s surface is called a(n) ____________________.
Intro to Earth Science
Chapter 23 study guide
1
Name _______________________________________ Date ___________ Period _____
15. Which planets are known to have rings?
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16. Which planets are the Jovian planets?
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17. Which planets are the terrestrial planets?
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18. What are the most obvious differences between the terrestrial and the Jovian
planets?
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19. What are the characteristics of the Jovian planets?
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20. What are the characteristics of the terrestrial planets?
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21. In an astronomical sense, what is an ice?
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22. What was the huge cloud of dust and gases that formed the solar system called?
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23. What astronomical objects are not parts of our solar system?
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24. Which planet shows evidence of water erosion?
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25. Which planet has a cratered surface similar to Earth’s moon?
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26. Which planet has the greatest temperature extremes? _______________________
Intro to Earth Science
Chapter 23 study guide
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Name _______________________________________ Date ___________ Period _____
27. Which planet has a dense carbon dioxide atmosphere and high surface
temperatures? ______________________________________________________
28. On which thickly clouded planet has radar mapping revealed a varied topography
consisting of plains, highlands, and thousands of volcanic structures?
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29. What is the atmosphere of Venus composed of? ___________________________
30. On which planet would Mons Olympus, a volcano the size of Ohio, be found?
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31. Which planet, when viewed through a telescope, appears as a reddish ball
interrupted by some permanent dark regions that change intensity?
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32. What process is currently responsible for the shaping of Mars’ surface?
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33. Which features on Mars point to the possibility of liquid water on the planet?
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34. Which planet is second only to the moon in brilliance in the night sky?
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35. Which planet has a greater mass than the combined mass of all the remaining
planets and their moons? _____________________________________________
36. Which of Jupiter’s moons is volcanically active? __________________________
37. Which planet might best be described as a large, dirty iceball? _______________
38. Which planet is associated with the Great Dark Spot? ______________________
39. What is the smallest planet? ___________________________________________
40. Which planet’s axis of rotation lies nearly parallel with the plane of its orbit?
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41. According to a relatively recent discovery, which planet has one satellite?
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42. Which moon has a substantial atmosphere? ______________________________
43. Where does the lowest surface temperature in the solar system occur?
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44. What characteristic distinguishes Neptune from the other planets?
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45. What is it believed Jupiter’s Great Red Spot is?
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46. What are Jupiter’s characteristics?
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47. Which satellite of Uranus has the greatest variety of landforms of any satellite yet
examined? ________________________________________________________
48. The relatively small, rocky bodies generally found orbiting between Mars and
Jupiter are known as what? ___________________________________________
Intro to Earth Science
Chapter 23 study guide
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Name _______________________________________ Date ___________ Period _____
49. What feat did the spacecraft Near Shoemaker accomplish?
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50. Where are most asteroids found?
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51. What direction does a comet’s tail always point?
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52. What is the glowing head of a comet known as? ___________________________
53. Comets with short orbital periods are located in what region?
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54. What are the small particles that produce a streak of light upon entering Earth’s
atmosphere called? __________________________________________________
55. The remains of extraterrestrial particles that are found on Earth’s surface are
called what? _______________________________________________________
56. What are most meteor showers associated with?
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Intro to Earth Science
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Intro to Earth Science
Chapter 23 study guide
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