GEOL 109 Exam 1
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1. Lesson 1: The So- ...
lar System
2. Which is the Closest to Sun
correct sequence
of planets, based Mercury
on increasing av- Venus
erage radius of Earth
their orbits? Mars
Jupiter
Saturn
Uranus
Neptune
Pluto
Farthest from Sun
3. The inner planets NONE of these:
__________.
-have about the same size as the outer planets
-all have several moons
-have about the same composition as the outer planets
-all have orbiting systems of rings
The outer planets are hydrogen-helium mixtures, larger than the inner planets,
and have rings and moons. They contrast with the inner planets in each of these
aspects.
4. Which statement They are largely made of hydrogen and helium.
is true for the
outer planets of NOT:
our solar system? -they produce enough internal energy to glow like the Sun
-they have solid surfaces just below a layer of clouds
, GEOL 109 Exam 1
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-they lack systems of rings.
The giant outer planets are not large enough to sustain nuclear fusion like stars,
but they are made of similar materials - hydrogen and helium. They have no solid
surfaces and they commonly have rings.
5. Water ice is most abundant on the moons of the outer planets
__________.
Water ice is stable and common on the moons of the outer planets and into the
Kuiper belt. It is unstable in the near vacuum of the inner solar system because
the temperature is too high.
6. What sets the The moons of the outer planets generally have lower densities.
composition of
the moons of The moons of the outer planets are too small to retain atmospheres of hydrogen
the outer planets and helium and are dominantly water ice rather than nitrogen ice, which is only
apart from the in- stable in the far outer reaches of the solar system.
ner planets?
7. Which objects Comets
have orbits that
take them the Some comets have orbital periods of hundreds of thousands of years. The group
farthest from the of comets that occupies the outermost limits of the solar system is called the Oort
Sun in our solar Cloud.
system?
8. Which of the fol- Venus
lowing objects is
most like Earth in Venus is nearly the same diameter and composition to Earth. Neptune is large and
size and compo- compositionally very different, and the others (Mercury, Ida, & Mars) are rocky like
sition? Earth, but significantly smaller.
9.
, GEOL 109 Exam 1
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What is a ma- -Planets are much smaller in diameter than the stars around which they revolve.
jor difference be- -Planets do not generate energy through nuclear fusion.
tween planets
and stars? Planets have rings and systems of orbiting moons and some planets (the outer
planets) lack solid surfaces.
10. What are the ma- -Planets revolve around the Sun.
jor differences -Moons revolve around a Sun-orbiting planet.
between a moon
and a planet? A few moons are actually bigger than Pluto and Mercury. By definition, moons
(natural satellites) don't orbit around the Sun but instead revolve around another
planetary body. Some asteroids even have moons.
11. Which of the fol- -The asteroids mark the transition from the rocky terrestrial planets to the outer
lowing are the planets.
characteristics of -Some asteroids appear to be rocky; some seem covered with lava; others seem
the asteroid belt? to be metallic; and yet others may have water ice.
-Many meteorites that fall on Earth come from the asteroid belt.
The largest asteroid Ceres is almost 1,000 km across. The asteroids are between
Mars and Jupiter and have a wide array of compositions.
12. Lesson 2: Origin
of the Elements
13. According to our About 14 billion years ago.
best modern day
evidence, how As of 2015, our best estimate for when the Big Bang occurred is 13.8 billion years
long ago was the ago.
Big Bang?
14. The most ba- Protons, neutrons, and electrons
sic subatomic
Protons, neutrons, and electrons are the basic subatomic particles that compose
Study online at https://quizlet.com/_80b8jv
1. Lesson 1: The So- ...
lar System
2. Which is the Closest to Sun
correct sequence
of planets, based Mercury
on increasing av- Venus
erage radius of Earth
their orbits? Mars
Jupiter
Saturn
Uranus
Neptune
Pluto
Farthest from Sun
3. The inner planets NONE of these:
__________.
-have about the same size as the outer planets
-all have several moons
-have about the same composition as the outer planets
-all have orbiting systems of rings
The outer planets are hydrogen-helium mixtures, larger than the inner planets,
and have rings and moons. They contrast with the inner planets in each of these
aspects.
4. Which statement They are largely made of hydrogen and helium.
is true for the
outer planets of NOT:
our solar system? -they produce enough internal energy to glow like the Sun
-they have solid surfaces just below a layer of clouds
, GEOL 109 Exam 1
Study online at https://quizlet.com/_80b8jv
-they lack systems of rings.
The giant outer planets are not large enough to sustain nuclear fusion like stars,
but they are made of similar materials - hydrogen and helium. They have no solid
surfaces and they commonly have rings.
5. Water ice is most abundant on the moons of the outer planets
__________.
Water ice is stable and common on the moons of the outer planets and into the
Kuiper belt. It is unstable in the near vacuum of the inner solar system because
the temperature is too high.
6. What sets the The moons of the outer planets generally have lower densities.
composition of
the moons of The moons of the outer planets are too small to retain atmospheres of hydrogen
the outer planets and helium and are dominantly water ice rather than nitrogen ice, which is only
apart from the in- stable in the far outer reaches of the solar system.
ner planets?
7. Which objects Comets
have orbits that
take them the Some comets have orbital periods of hundreds of thousands of years. The group
farthest from the of comets that occupies the outermost limits of the solar system is called the Oort
Sun in our solar Cloud.
system?
8. Which of the fol- Venus
lowing objects is
most like Earth in Venus is nearly the same diameter and composition to Earth. Neptune is large and
size and compo- compositionally very different, and the others (Mercury, Ida, & Mars) are rocky like
sition? Earth, but significantly smaller.
9.
, GEOL 109 Exam 1
Study online at https://quizlet.com/_80b8jv
What is a ma- -Planets are much smaller in diameter than the stars around which they revolve.
jor difference be- -Planets do not generate energy through nuclear fusion.
tween planets
and stars? Planets have rings and systems of orbiting moons and some planets (the outer
planets) lack solid surfaces.
10. What are the ma- -Planets revolve around the Sun.
jor differences -Moons revolve around a Sun-orbiting planet.
between a moon
and a planet? A few moons are actually bigger than Pluto and Mercury. By definition, moons
(natural satellites) don't orbit around the Sun but instead revolve around another
planetary body. Some asteroids even have moons.
11. Which of the fol- -The asteroids mark the transition from the rocky terrestrial planets to the outer
lowing are the planets.
characteristics of -Some asteroids appear to be rocky; some seem covered with lava; others seem
the asteroid belt? to be metallic; and yet others may have water ice.
-Many meteorites that fall on Earth come from the asteroid belt.
The largest asteroid Ceres is almost 1,000 km across. The asteroids are between
Mars and Jupiter and have a wide array of compositions.
12. Lesson 2: Origin
of the Elements
13. According to our About 14 billion years ago.
best modern day
evidence, how As of 2015, our best estimate for when the Big Bang occurred is 13.8 billion years
long ago was the ago.
Big Bang?
14. The most ba- Protons, neutrons, and electrons
sic subatomic
Protons, neutrons, and electrons are the basic subatomic particles that compose
