Chapter 28 Review
Our Solar
System
What force draws the matter in
an interstellar cloud together to
form a star?
A.electric
B.gravity
C.magnetism
D.friction
0%
A.
0%
0%
B.
C.
0%
D.
Which of the following correctly
orders planets by decreasing day
length?
A. Venus, Earth, Jupiter
B. Earth, Jupiter, Venus
C. Jupiter, Earth, Venus
D. Venus, Jupiter, Earth
0%
A.
0%
0%
B.
C.
0%
D.
What is the main reason why
Venus’ surface is so hot?
1. the large number of volcanoes
on Venus
2. the very efficient greenhouse
effect on Venus
3. the extremely fast rotation of
Venus
4. the great amount of water on
0%
0%
Venus
1
2
0%
3
0%
4
Which of the following is one of the
characteristics an object MUST have to be
classified as a dwarf planet by the IAU?
1.
2.
3.
4.
a solid surface
at least one moon
a spherical shape
a head and at least
one tail
0%
1
0%
0%
2
3
0%
4
Which two planets are separated by
a distance of 1.13 AU?
1. Mercury and
Mars
2. Mars and
Venus
3. Earth and
Mercury
4. Mars and
Earth
0%
1
0%
0%
2
3
0%
4
Use the data in the table to calculate the
difference between the greatest and least
density of the planets in the solar system.
1.
2.
3.
4.
4.83 g/cm3
5.17 g/cm3
6.21 g/cm3
5.83 g/cm3
0%
1
0%
0%
2
3
0%
4
Which correctly identifies the
location of the asteroid belt?
1.
2.
3.
4.
A
B
C
D
0%
1
0%
0%
2
3
0%
4
At which labeled interval of its
orbit would the planet move
with the greatest velocity?
1.
2.
3.
4.
A
B
C
D
0%
1
0%
0%
2
3
0%
4
The center of mass for a typical
planet in the solar system is shown
by which point in the diagram?
1.
2.
3.
4.
A
B
C
D
0%
1
0%
0%
2
3
0%
4
Which of the following should be added to the
column for Zone 2 in this table showing the
three-zone classification system for objects in
the solar system?
1.
2.
3.
4.
Pluto
Earth
Eris
Neptune
0%
1
0%
0%
2
3
0%
4
Bodies of interplanetary debris that
orbit the Sun with most in the area
between Mars and Jupiter are called
1.
2.
3.
4.
meteors
comets
asteroids
meteorites
0%
1
0%
0%
2
3
0%
4
Small, icy bodies that have highly
eccentric orbits and can be found
in the Oort cloud or the Kuiper
belt are called
1.
2.
3.
4.
meteors
comets
asteroids
meteorites
0%
1
0%
0%
2
3
0%
4
Interplanetary material that enters the
Earth's atmosphere and collides with the
ground rather than burning up is called
a(n)
1.
2.
3.
4.
meteor
comet
asteroid
meteorite
0%
1
0%
0%
2
3
0%
4
What two gas giants appear
blue because of the methane in
their atmosphere?
1.
2.
3.
4.
Jupiter and Saturn
Saturn and Uranus
Neptune and Uranus
Jupiter and Neptune
0%
1
0%
0%
2
3
0%
4
The result when Earth intersects
a comet’s orbit is a(n)
1. asteroid shower
2. aurora borealis
3. loss of satellite
communication
4. meteor shower
0%
1
0%
0%
2
3
0%
4
Can condense and become concentrated
enough to form a star and possibly planets
1. Kepler’s second law
2. Law of universal
gravitation
3. Interstellar cloud
4. Solar nebula
5. Retrograde motion
6. Planetismals
0%
1
0%
0%
0%
2
3
4
0%
0%
5
6
The movement of a planet in an
opposing direction across the sky
1. Kepler’s second law
2. Law of universal
gravitation
3. Interstellar cloud
4. Solar nebula
5. Retrograde motion
6. Planetismals
0%
1
0%
0%
0%
2
3
4
0%
0%
5
6
The disk of dust and gas that
formed the Sun and planets
1. Kepler’s second law
2. Law of universal
gravitation
3. Interstellar cloud
4. Solar nebula
5. Retrograde motion
6. Planetismals
0%
1
0%
0%
0%
2
3
4
0%
0%
5
6
Tiny grains of condensed material accumulate
and merge together to form these large bodies
that grow until they reach hundreds of kilometers
in diameter
1. Kepler’s second law
2. Law of universal
gravitation
3. Interstellar cloud
4. Solar nebula
5. Retrograde motion
6. Planetismals
0%
0%
0%
0%
1
2
3
4
0%
0%
5
6
An imaginary line between the Sun and a
planet that sweeps out equal amounts of
area in equal amounts of time
1. Kepler’s second law
2. Law of universal
gravitation
3. Interstellar cloud
4. Solar nebula
5. Retrograde motion
6. Planetismals
0%
0%
0%
0%
0%
0%
1
2
3
4
5
6
The statement that describes the relationship
among the masses of two bodies and the
force and distance between them
1. Kepler’s second law
2. Law of universal
gravitation
3. Interstellar cloud
4. Solar nebula
5. Retrograde motion
6. Planetismals
0%
0%
0%
0%
0%
0%
1
2
3
4
5
6
Earth’s average distance from
the Sun: 1.496  108 km
1.
2.
3.
4.
5.
6.
meteor
interstellar cloud
belt
comet
1 astronomical unit
precession
0%
1
0%
0%
0%
2
3
4
0%
0%
5
6
Cloud type that is low, warm,
dark-colored, and sinking
1.
2.
3.
4.
5.
6.
meteor
interstellar cloud
belt
comet
1 astronomical unit
precession
0%
0%
0%
0%
0%
0%
1
2
3
4
5
6
The wobble of Earth’s axis caused
by the Moon’s gravitational force
on Earth
1. meteor
2. interstellar cloud
3. belt
4. comet
5. 1 astronomical unit
6. precession
0%
0%
0%
0%
0%
0%
1
2
3
4
5
6
Cloud of gas and dust from which
stars and planets are formed
1. meteor
2. interstellar cloud
3. belt
4. comet
5. 1 astronomical unit
6. precession
0%
0%
0%
0%
0%
0%
1
2
3
4
5
6
Interplanetary material that burns up
and becomes a bright, glowing streak
of light in Earth’s atmosphere
1.
2.
3.
4.
5.
6.
meteor
interstellar cloud
belt
comet
1 astronomical unit
precession
0%
0%
0%
0%
0%
0%
1
2
3
4
5
6
Small, icy body made of ice and rock
that has a highly eccentric orbit
around the Sun
1. meteor
2. interstellar cloud
3. belt
4. comet
5. 1 astronomical unit
6. precession
0%
0%
0%
0%
0%
0%
1
2
3
4
5
6
Interstellar clouds are
primarily composed of nitrogen
and oxygen.
1. True
2. False
0%
1
0%
2
The force of gravity between
two objects is determined
entirely by their masses.
1. True
2. False
0%
1
0%
2
Mercury’s days and years are
more similar in length than
Earth’s days and years.
1. True
2. False
0%
1
0%
2
The difference between meteors
and meteorites is their size.
1. True
2. False
0%
1
0%
2
The planets in part A of this
diagram have more moons than
the planets in part B.
1. True
2. False
0%
1
0%
2
Only one of the eight planets in
the solar system has all three
forms of water on its surface.
1. True
2. False
0%
1
0%
2
The inner planets have greater
densities than the outer planets.
1. True
2. False
0%
1
0%
2
If the distance between these objects
is doubled, the force of gravity
between them will be halved.
1. True
2. False
0%
1
0%
2
Earth is the most tectonically
active of the inner planets.
1. True
2. False
0%
1
0%
2
The shaded area of the graph shows
the percentage of the total planetary
matter in the solar system that is part
of Earth’s mass.
1. True
2. False
0%
1
0%
2
All of the planets and their satellites
orbit the Sun in the same direction,
and all their orbits lie near the same
plane.
1. True
2. False
0%
1
0%
2
Nicolaus Copernicus found that in a
heliocentric model of the solar system,
the inner planets move faster in their
orbits than the outer planets, giving
the appearance from Earth that some
planets move in a retrograde motion.
1. True
2. False
0%
1
0%
2
Isaac Newton determined that
each planet does not orbit the
Sun but instead orbits a center
of mass between it and the Sun.
1. True
2. False
0%
1
0%
2
Mars is the planet most similar
to Earth in physical properties,
such as diameter, mass, and
density.
1. True
2. False
0%
1
0%
2
Mercury has the largest daynight temperature difference of
all the planets in the solar
system.
1. True
2. False
0%
1
0%
2
In the early 1500s, Tycho
Brahe formulated the
heliocentric model of the solar
system.
1. True
2. False
0%
1
0%
2
Kepler’s first law demonstrates that
each planet has an elliptical orbit of
unique size and shape with the Sun
at one focus.
1. True
2. False
0%
1
0%
2
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.
1. True
2. False
0%
1
0%
2
The high concentration of carbon
dioxide (CO2) in the atmosphere of
Mars inhibits infrared radiation
from escaping and keeps the surface
extremely hot.
1. True
2. False
0%
1
0%
2
Asteroids are thought to be leftover
planetesimals that never formed
planets from the time of the solar
system’s formation.
1. True
2. False
0%
1
0%
2
The rapid rotation of Saturn distorts
its shape so that the diameter
through its equatorial plane is 7
percent larger than the diameter
through its poles.
1. True
2. False
0%
1
0%
2
Neptune has clouds and
atmospheric belts and zones
similar to those of Saturn and
Uranus.
1. True
2. False
0%
1
0%
2
The dense concentration of gas
at the center of the solar nebula
eventually became the Sun.
1. True
2. False
0%
1
0%
2
The Oort cloud and the Kuiper
belt are asteroid belts.
1. True
2. False
0%
1
0%
2