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Name: ________________________ Class: ___________________ Date: __________
ID: A
Chapter 30
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____
1. The Viking landers sent back pictures of the reddish-colored, barren, rocky, windswept surface of ____.
a. Mercury
c. Uranus
b. Jupiter
d. Mars
____
2. Methane absorbs the red and yellow light on ____, while the clouds of these planets reflect the green and blue
light.
a. Venus and Earth
c. Saturn and Jupiter
b. Uranus and Neptune
d. Neptune and Venus
____
3. ____ has colorful clouds in bands of white, red, tan, and brown.
a. Saturn
c. Jupiter
b. Uranus
d. Neptune
____
4. In 1543, ____ published his views of Earth and other planets revolving around the Sun.
a. Kepler
c. Copernicus
b. Magellan
d. Galileo
____
5. ____ are pieces of rock that strike the surface of a moon or planet.
a. Meteoroids
c. Meteor showers
b. Comets
d. Meteorites
____
6. This planet has no true atmosphere.
a. Mars
b. Saturn
c.
d.
Jupiter
Mercury
____
7. ____ was the first planet studied by the Voyager space probes.
a. Jupiter
c. Uranus
b. Saturn
d. Neptune
____
8. Neptune was the last planet to be visited by the ____ space probe.
a. Voyager I
c. Voyager II
b. Galileo
d. Titan
____
9. Pluto differs from the other outer planets in that ____.
a. it is not surrounded by a dense atmosphere
b. it is the only outer planet with a solid, rocky surface
c. its moon, Charon, has a diameter equal to half of Pluto's
d. all of the above
____ 10. Pluto is considered a ____ planet.
a. large
b. dwarf
c.
d.
small
huge
____ 11. A comet develops a coma because of ____.
a. gravity
b. Earth's atmosphere
c.
d.
the Oort Cloud
heat from the Sun
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Name: ________________________
____ 12. Which is not a dwarf planet?
a. Pluto
b. Eris
ID: A
c.
d.
Mercury
Ceres
____ 13. Evidence suggests that ____ originate in the Oort Cloud located beyond the orbit of Pluto.
a. comets
c. meteoroids
b. asteroids
d. meteorites
____ 14. ____ is the largest planet in the solar system, is the fifth planet from the Sun, and has colorful clouds. One of
its 17 moons is the most volcanically active object in the solar system. The planet has a liquid ocean and
atmosphere comprised mostly of hydrogen and helium. It may have a rocky core, although its extreme
pressure and temperature would make the core different from any rock on Earth.
a. Jupiter
c. Uranus
b. Saturn
d. Neptune
____ 15. Solar energy trapped by gases in Venus's atmosphere causes ____.
a. clouds to form
c. the greenhouse effect
b. its slow rotation
d. a cooling effect
____ 16. The first and only American space mission to Mercury was ____.
a. Voyager I
c. Mariner 10
b. Voyager II
d. Apollo II
____ 17. Water is found as a solid, liquid, and gas on ____.
a. Mercury
c.
b. Venus
d.
Earth
Mars
____ 18. People once believed that all planets and stars orbited around ____.
a. Mercury
c. Earth
b. Venus
d. Mars
____ 19. Galileo used his telescope to discover evidence for the Sun-centered model of the solar system. This evidence
included all of the following EXCEPT ____.
a. Venus going through phases
b. Venus revolving around the Sun, not Earth
c. the discovery of Neptune and Pluto
d. both a and b
____ 20. Planets formed from ____ left over from the formation of the Sun at the center of the cloud.
a. gravel
c. solar wind
b. gas, ice, and dust
d. asteroids
____ 21. Mercury is the ____ planet from the Sun.
a. fourth
b. third
c.
d.
second
first
____ 22. ____ is the third planet from the Sun.
a. Mercury
b. Venus
c.
d.
Earth
Mars
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Name: ________________________
ID: A
____ 23. The order of the inner planets outward from the Sun is ____.
a. Mercury, Earth, Venus, and Mars
c. Mars, Venus, Earth, and Mercury
b. Mercury, Venus, Earth, and Mars
d. Earth, Venus, Mars, and Mercury
____ 24. Venus and Earth both experience a ____ because of heat trapped by their atmospheres.
a. cloud cover
c. greenhouse effect
b. slow rotation
d. cooling effect
____ 25. The greenhouse effect on Earth keeps it warm enough for liquid water to exist. However, on Venus, the
greenhouse effect warms the planet to ____.
a. 475°C
c. 90°C
b. 900°C
d. 47°C
____ 26. Pluto has _____ moon(s).
a. 1
b. 2
c.
d.
3
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____ 27. What is the main reason why Venus’ surface is so hot?
a. the large number of volcanoes on Venus
b. the very efficient greenhouse effect on Venus
c. the extremely fast rotation of Venus
d. the great amount of water on Venus
____ 28. Which of the following is one of the characteristics an object MUST have to be classified as a dwarf planet by
the IAU?
a. a solid surface
c. a spherical shape
b. at least one moon
d. a head and at least one tail
____ 29. Small, icy bodies that have highly eccentric orbits and can be found in the Oort cloud or the Kuiper belt are
called ____.
a. meteors
c. asteroids
b. comets
d. meteorites
____ 30. Interplanetary material that enters the Earth's atmosphere and collides with the ground rather than burning up
is called a(n) ____.
a. meteor
c. asteroid
b. comet
d. meteorite
Matching
Match each planet with the correct description below.
a. Mars
f. Mercury
b. Jupiter
g. Venus
c. Saturn
h. Uranus
d. Pluto
i. Neptune
e. Earth
____
1. dark-colored storms and eight moons
____
2. iron oxide and polar ice caps
____
3. largest planet
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Name: ________________________
ID: A
____
4. dwarf planet
____
5. axis of rotation tilted on its side
____
6. greenhouse effect causes extremely high surface temperatures
____
7. craters, cliffs, and a weak magnetic field
____
8. liquid water oceans
____
9. most complex ring system
Match the planets below with the letters labeling the planets in Figure 24-1.
Figure 24-1
____ 10. Earth
____ 11. Mercury
____ 12. Neptune
____ 13. Venus
____ 14. Uranus
____ 15. Mars
____ 16. Saturn
____ 17. Jupiter
Modified True/False
Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true.
____
1. Galileo’s discovery of Jupiter’s moons proved that not all celestial bodies orbit Earth; therefore, Earth is not
necessarily the center of the solar system. _________________________
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Name: ________________________
ID: A
____
2. Neptune has clouds and atmospheric belts and zones similar to those of Saturn and Uranus.
_________________________
____
3. The Oort cloud and the Kuiper belt are asteroid belts. _________________________
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