SOLAR SYSTEM TEST REVIEW (Chapters 7, 8, 12 & 14)
Chapter 7 (p. 231)
6.
|
Terrestrial (Mercury, Venus, Earth, Mars) |
Jovian (Jupiter, Saturn, Uranus, Neptune) |
|
Solid rock & metal |
Gas |
|
Relatively small |
Relatively large |
|
High density |
Low density |
|
Nearest to the Sun |
Farthest from the Sun |
|
Few (if any) moons |
Many moons |
|
No rings |
Rings |
9. asteroid – a small, rocky object that orbits a star
Most asteroids are in the asteroid belt, between the orbits of Mars and Jupiter
11. See definitions in back of book. The Oort Cloud has randomly eccentric and inclined orbits. The Kuiper Belt’s asteroids lie roughly in the same plane as the planets, orbiting in the same direction as the planets.
25. b
28. b
30. b
31. a
Chapter 8 (p. 252)
25. c
27. c
33. b
34. b
Chapter 12 (p. 391)
7. The nucleus is the solid portion of a comet, and the only part that exists when the comet is far from the Sun. As the comet approaches the Sun, its outer material sublimates, forming the coma and tails. Tails point away from the Sun because (a) the solar wind pushes away the plasma tail, and (b) radiation pressure pushes away the dust tail.
25. b
29. c
31. c
Chapter 14 (p. 514)
33. a
34. c