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CRT Review
rd
3 Quarter
An astronomical unit is the average distance
_____.
a.
b.
c.
d.
Between Mercury and the sun
Between Mercury and Pluto
Light travel in 1 minute
Between Earth and the sun
An astronomical unit is the average distance
_____.
a.
b.
c.
d.
Between Mercury and the sun
Between Mercury and Pluto
Light travel in 1 minute
Between Earth and the sun
Distances between stars are usually
measured in _____.
a.
b.
c.
d.
Light-minutes
Light-hours
Light-days
Light-years
Distances between stars are usually
measured in _____.
a.
b.
c.
d.
Light-minutes
Light-hours
Light-days
Light-years
A comet’s tail always extends _____.
a.
b.
c.
d.
Towards the sun
Away from the sun
Towards the planet that it’s passing
Away from the planet it is passing
A comet’s tail always extends _____.
a.
b.
c.
d.
Towards the sun
Away from the sun
Towards the planet that it’s passing
Away from the planet it is passing
The majority of stars in our galaxy are
_____.
a.
b.
c.
d.
Blue
White dwarfs
Main-sequence
Red giants
The majority of stars in our galaxy are
_____.
a.
b.
c.
d.
Blue
White dwarfs
Main-sequence
Red giants
The H-R diagram has become a tool for
studying the nature of stars because it
shows how stars _____.
a.
b.
c.
d.
Are classified by temperature
Are classified by brightness
Change over time
All of the above
The H-R diagram has become a tool for
studying the nature of stars because it
shows how stars _____.
a.
b.
c.
d.
Are classified by temperature
Are classified by brightness
Change over time
All of the above
What type of
galaxy are each?
A–
B–
C–
What type of
galaxy are each?
A – Irregular
B – Elliptical
C – Spiral
In space, _____ are giant clouds of gas and
Dust where stars are born.
a.
b.
c.
d.
Nebulas
Globular clusters
Open clusters
Quasars
In space, _____ are giant clouds of gas and
Dust where stars are born.
a.
b.
c.
d.
Nebulas
Globular clusters
Open clusters
Quasars
Among the most distant objects are _____,
which are among the most powerful energy
sources in the universe.
a.
b.
c.
d.
Nebulas
Globular clusters
Open clusters
Quasars
Among the most distant objects are _____,
which are among the most powerful energy
sources in the universe.
a.
b.
c.
d.
Nebulas
Globular clusters
Open clusters
Quasars
A star is most likely born in a _____.
a.
b.
c.
d.
Globular cluster
Nebula
Black hole
Giant cluster of old stars
A star is most likely born in a _____.
a.
b.
c.
d.
Globular cluster
Nebula
Black hole
Giant cluster of old stars
Which of the following could be formed as a
result of a supernova?
a.
b.
c.
d.
A black hole
A neutron star
A pulsar
All of the above
Which of the following could be formed as a
result of a supernova?
a.
b.
c.
d.
A black hole
A neutron star
A pulsar
All of the above
A _____ forms when the leftovers of a
supernova are so massive that they collapse
to form a dense object with gravity so strong
that light cannot escape it.
a.
b.
c.
d.
Black hole
Red giant
Quasar
Pulsar
A _____ forms when the leftovers of a
supernova are so massive that they collapse
to form a dense object with gravity so strong
that light cannot escape it.
a.
b.
c.
d.
Black hole
Red giant
Quasar
Pulsar
GEO’s are better orbits for communications
because satellites in GEO _____.
a.
b.
c.
d.
Remain in position over one spot
Are farther away from Earth’s surface
Do not revolve around the Earth
Are only a few hundred kilometers high
GEO’s are better orbits for communications
because satellites in GEO _____.
a.
b.
c.
d.
Remain in position over one spot
Are farther away from Earth’s surface
Do not revolve around the Earth
Are only a few hundred kilometers high
_____ was formed in response to the alarm
the United States felt over possible Soviet
superiority in space.
a.
b.
c.
d.
NASA
Landsat
Geosynchronous orbit
The International Space Station
_____ was formed in response to the alarm
the United States felt over possible Soviet
superiority in space.
a.
b.
c.
d.
NASA
Landsat
Geosynchronous orbit
The International Space Station
Which of the following gave us our first close
encounter with other planets and their
moons?
a.
b.
c.
d.
Artificial satellites
Space probes
Space shuttle
Space station
Which of the following gave us our first close
encounter with other planets and their
moons?
a.
b.
c.
d.
Artificial satellites
Space probes
Space shuttle
Space station
As Earth’s moon waxes, the sunlit fraction
we see from Earth becomes _____.
a.
b.
c.
d.
Larger
Smaller
Doesn’t change
Turns red
As Earth’s moon waxes, the sunlit fraction
we see from Earth becomes _____.
a.
b.
c.
d.
Larger
Smaller
Doesn’t change
Turns red
When the moon is waning, the sunlit fraction
is becoming _____.
a.
b.
c.
d.
Smaller
Larger
Different colors
Doesn’t change
When the moon is waning, the sunlit fraction
is becoming _____.
a.
b.
c.
d.
Smaller
Larger
Different colors
Doesn’t change
The inner planets of our solar system are
called _____.
a.
b.
c.
d.
Terrestrial planets
Gas giants
Dirty snowballs
Small stars
The inner planets of our solar system are
called _____.
a.
b.
c.
d.
Terrestrial planets
Gas giants
Dirty snowballs
Small stars
Our sun is located in the arm of a pinwheelshaped _____ galaxy called the Milky Way.
a.
b.
c.
d.
Elliptical
Spiral
Irregular
Globular
Our sun is located in the arm of a pinwheelshaped _____ galaxy called the Milky Way.
a.
b.
c.
d.
Elliptical
Spiral
Irregular
Globular
A _____ is so small and massive that not
even light can escape its gravitational pull.
a.
b.
c.
d.
Neutron star
Pulsar
Quasar
Black hole
A _____ is so small and massive that not
even light can escape its gravitational pull.
a.
b.
c.
d.
Neutron star
Pulsar
Quasar
Black hole
A _____ is basically the death of a large star
by explosion.
a.
b.
c.
d.
Nova
Supernova
Black hole
Globular cluster
A _____ is basically the death of a large star
by explosion.
a.
b.
c.
d.
Nova
Supernova
Black hole
Globular cluster
A _____ is a dense star that is formed when
the leftover materials in the center of a
supernova are squeezed together so that
the particles inside the star become
neutrons.
a.
b.
c.
d.
Pulsar
Quasar
Neutron star
Black hole
A _____ is a dense star that is formed when
the leftover materials in the center of a
supernova are squeezed together so that
the particles inside the star become
neutrons.
a.
b.
c.
d.
Pulsar
Quasar
Neutron star
Black hole
A _____ is a spinning neutron star that gives
off radio signals.
a.
b.
c.
d.
Neutron star
Black hole
Quasar
Pulsar
A _____ is a spinning neutron star that gives
off radio signals.
a.
b.
c.
d.
Neutron star
Black hole
Quasar
Pulsar
A _____ is a reusable vehicle that lands like
an airplane.
a.
b.
c.
d.
Rocket
Space shuttle
Space probe
International Space Station
A _____ is a reusable vehicle that lands like
an airplane.
a.
b.
c.
d.
Rocket
Space shuttle
Space probe
International Space Station
Which number represents the orbit of Saturn?
Which number represents the orbit of Saturn?
6
Which number represents the orbit of Venus?
Which number represents the orbit of Venus?
2
Between which two orbits is the asteroid belt located?
Between which two orbits is the asteroid belt located?
4 and 5
Label the following moon phases correctly: new moon, full
moon, waxing gibbous, waxing crescent, waning gibbous,
waning crescent, first quarter, last quarter.
Label the following moon phases correctly: new moon, full
moon, waxing gibbous, waxing crescent, waning gibbous,
waning crescent, first quarter, last quarter.
Describe the temperature and brightness of the star
marked with an X.
Describe the temperature and brightness of the star
marked with an X.
12,000 degrees K and +10 magnitude.
Where would red giants and red supergiants be found in
this diagram?
Where would red giants and red supergiants be found in
this diagram?
Top, right corner
Where is the main-sequence of stars located?
Where is the main-sequence of stars located?
Middle of the diagram
What happens to the temperature on the chart as you
move to the right?
What happens to the temperature on the chart as you
move to the right?
The temperature decreases.
What is a constellation?
a.
b.
c.
d.
A region of the sky
A group of stars
A star pattern
A galaxy
What is a constellation?
a.
b.
c.
d.
A region of the sky
A group of stars
A star pattern
A galaxy
Starting with a NEW MOON, put the phases
of the moon in order.
Starting with a NEW MOON, put the phases
of the moon in order.
New moon
Waxing crescent
First quarter
Waxing gibbous
Full moon
Waning gibbous
Last quarter
Waning crescent
How long does Earth take to orbit once
around the sun?
a.
b.
c.
d.
One day
One week
One month
One year
How long does Earth take to orbit once
around the sun?
a.
b.
c.
d.
One day
One week
One month
One year
Distances between stars are usually
measured in _____.
a.
b.
c.
d.
Light-minutes
Light-hours
Light-days
Light-years
Distances between stars are usually
measured in _____.
a.
b.
c.
d.
Light-minutes
Light-hours
Light-days
Light-years
During a lunar eclipse, the moon can look
_____.
a.
b.
c.
d.
Red
Blue
Black
Green
During a lunar eclipse, the moon can look
_____.
a.
b.
c.
d.
Red
Blue
Black
Green
A comet’s tail always extends _____.
a.
b.
c.
d.
Towards the sun
Away from the sun
Towards the planet it is passing
Away from the planet it is passing
A comet’s tail always extends _____.
a.
b.
c.
d.
Towards the sun
Away from the sun
Towards the planet it is passing
Away from the planet it is passing
Which type of star is the hottest?
a.
b.
c.
d.
Red giant
Blue giant
White dwarf
Brown dwarf
Which type of star is the hottest?
a.
b.
c.
d.
Red giant
Blue giant
White dwarf
Brown dwarf
Examine the diagram of the stars in the
constellation Orion and answer the questions
that follow.
Star 1 is approximately ____ from Earth.
a. 200 light years c. 600 light years
b. 400 light years d. 800 light years
Star 1 is approximately ____ from Earth.
a. 200 light years c. 600 light years
b. 400 light years d. 800 light years
Star 2 is approximately ____ from Earth.
a. 200 light years
c. 600 light years
b. 400 light years
d. 800 light years
Star 2 is approximately ____ from Earth.
a. 200 light years
c. 600 light years
b. 400 light years
d. 800 light years
Examine the table below and answer the
questions that follow.
Types of Stars
Class
O
B
A
F
G
K
M
Color Surface temperature (°C)
blue
above 30,000
blue-white 10,000–30,000
blue-white 7,500–10,000
yellow-white 6,000–7,500
yellow
5,000–6,000
orange
3,500–5,000
red
Less than 3,500
Elements detected
helium
helium and hydrogen
hydrogen
hydrogen & heavier elements
calcium & other metals
calcium and molecules
molecules
Types of Stars
Class
O
B
A
F
G
K
M
Color
blue
blue-white
blue-white
yellow-white
yellow
orange
red
Surface temperature (°C)
above 30,000
10,000–30,000
7,500–10,000
6,000–7,500
5,000–6,000
3,500–5,000
Less than 3,500
Elements detected
helium
helium and hydrogen
hydrogen
hydrogen & heavier elements
calcium & other metals
calcium and molecules
molecules
The stars Betelgeuse and Antares are red in
color. They are class _____ stars.
a. O
c. K
b. G
d. M
Types of Stars
Class
O
B
A
F
G
K
M
Color
blue
blue-white
blue-white
yellow-white
yellow
orange
red
Surface temperature (°C)
above 30,000
10,000–30,000
7,500–10,000
6,000–7,500
5,000–6,000
3,500–5,000
Less than 3,500
Elements detected
helium
helium and hydrogen
hydrogen
hydrogen & heavier elements
calcium & other metals
calcium and molecules
molecules
The stars Betelgeuse and Antares are red in
color. They are class _____ stars.
a. O
c. K
b. G
d. M
Types of Stars
Class
O
B
A
F
G
K
M
Color
blue
blue-white
blue-white
yellow-white
yellow
orange
red
Surface temperature (°C)
above 30,000
10,000–30,000
7,500–10,000
6,000–7,500
5,000–6,000
3,500–5,000
Less than 3,500
Elements detected
helium
helium and hydrogen
hydrogen
hydrogen & heavier elements
calcium & other metals
calcium and molecules
molecules
Our sun is a yellow star. In what temperature range
does it burn?
a. Less than 3,500 degrees b. 5,000-6,000 degrees
c. 3,500-5,000 degrees
d. 6,000-7,000 degrees
Types of Stars
Class
O
B
A
F
G
K
M
Color
blue
blue-white
blue-white
yellow-white
yellow
orange
red
Surface temperature (°C)
above 30,000
10,000–30,000
7,500–10,000
6,000–7,500
5,000–6,000
3,500–5,000
Less than 3,500
Elements detected
helium
helium and hydrogen
hydrogen
hydrogen & heavier elements
calcium & other metals
calcium and molecules
molecules
Our sun is a yellow star. In what temperature range
does it burn?
a. Less than 3,500 degrees b. 5,000-6,000 degrees
c. 3,500-5,000 degrees
d. 6,000-7,000 degrees
What is this diagram showing?
What is this diagram showing?
Lunar eclipse
Which of the following shows the sequence
of a star’s life cycle from its earliest stage
to its latest stage?
a.
b.
c.
d.
White dwarf, main sequence, red giant
Main sequence, red giant, white dwarf
Red giant, white dwarf, main sequence
Main sequence, white dwarf, red giant
Which of the following shows the sequence
of a star’s life cycle from its earliest stage
to its latest stage?
a.
b.
c.
d.
White dwarf, main sequence, red giant
Main sequence, red giant, white dwarf
Red giant, white dwarf, main sequence
Main sequence, white dwarf, red giant
On what part of the modern H-R diagram do
cool, bright, red stars appear?
a.
b.
c.
d.
Top, right
Top, left
Bottom, right
Bottom, left
On what part of the modern H-R diagram do
cool, bright, red stars appear?
a.
b.
c.
d.
Top, right
Top, left
Bottom, right
Bottom, left
What causes the phases of the moon?
a. The relative positions of the moon, Earth
and sun
b. The tilted orbit of the moon
c. The moons period of revolution just
equals its period of rotation
d. Sunlight reflecting off Earth’s surface
What causes the phases of the moon?
a. The relative positions of the moon,
Earth and sun
b. The tilted orbit of the moon
c. The moons period of revolution just
equals its period of rotation
d. Sunlight reflecting off Earth’s surface
How far is Earth from the sun?
a.
b.
c.
d.
One AU
150 million kilometers
93 million miles
All of the above
How far is Earth from the sun?
a.
b.
c.
d.
One AU
150 million kilometers
93 million miles
All of the above
What is the speed of light?
a.
b.
c.
d.
300,000 m/s
300,000 km/s
300,000 feet/s
300,000 AU/s
What is the speed of light?
a.
b.
c.
d.
300,000 m/s
300,000 km/s
300,000 feet/s
300,000 AU/s
We never see the other side of the moon.
TRUE
FALSE
We never see the other side of the moon.
TRUE
FALSE
A _____ contains billions of stars in a space
much larger than our solar system.
a.
b.
c.
d.
Quasar
Galaxy
Black hole
Gaseous planets
A _____ contains billions of stars in a space
much larger than our solar system.
a.
b.
c.
d.
Quasar
Galaxy
Black hole
Gaseous planets
How many days does it take for the moon to
go around the Earth?
a.
b.
c.
d.
14
7
365
28
How many days does it take for the moon to
go around the Earth?
a.
b.
c.
d.
14
7
365
28
What are the 3 ways meteoroids can be
classified?
a.
b.
c.
d.
Stony, stony-metallic and metallic
Stony, rocky and bumpy
Foamy, metallic and shiny
Hickory, dickory and dock
What are the 3 ways meteoroids can be
classified?
a.
b.
c.
d.
Stony, stony-metallic and metallic
Stony, rocky and bumpy
Foamy, metallic and shiny
Hickory, dickory and dock
How are asteroids and meteoroids different?
a. They aren’t
b. Asteroids are red and meteoroids are
blue
c. Meteoroids are very small and asteroids
are small
d. Meteoroids are metallic and asteroids
are stony
How are asteroids and meteoroids different?
a. They aren’t
b. Asteroids are red and meteoroids are
blue
c. Meteoroids are very small and
asteroids are small
d. Meteoroids are metallic and asteroids
are stony
Where would you find the asteroid belt?
a.
b.
c.
d.
Between Mercury and Venus
Between Jupiter and Saturn
Between Neptune and Uranus
Between Mars and Jupiter
Where would you find the asteroid belt?
a.
b.
c.
d.
Between Mercury and Venus
Between Jupiter and Saturn
Between Neptune and Uranus
Between Mars and Jupiter
How do rockets move?
a.
b.
c.
d.
By burning fuel to create thrust
By nuclear fusion
By burning fuel to create gravity
By nuclear fission
How has NASA benefited society?
a.
b.
c.
d.
Everyone can visit outer space
Has made our lives more convenient
We can all live longer
It has not helped anyone in anyway
How has NASA benefited society?
a.
b.
c.
d.
Everyone can visit outer space
Has made our lives more convenient
We can all live longer
It has not helped anyone in anyway
What is unique about the space shuttle?
a. It can visit other planets
b. It can stay in orbit for 5 years
c. It takes off like a rocket and lands like an
airplane
d. It looks like Mickey Mouse
What is unique about the space shuttle?
a. It can visit other planets
b. It can stay in orbit for 5 years
c. It takes off like a rocket and lands like
an airplane
d. It looks like Mickey Mouse
Which unit of measure would be most
appropriate for measuring distances
between the Sun and the planets?
a.
b.
c.
d.
Kilometers
Miles
Parsecs
AU’s
Which unit of measure would be most
appropriate for measuring distances
between the Sun and the planets?
a.
b.
c.
d.
Kilometers
Miles
Parsecs
AU’s
What is this diagram showing?
What is this diagram showing?
Solar eclipse
What causes the tides?
a.
b.
c.
d.
The gravitational pull of the sun
The gravitational pull of the moon
The gravitational pull of Mars
The gravitational pull of Earth
What causes the tides?
a.
b.
c.
d.
The gravitational pull of the sun
The gravitational pull of the moon
The gravitational pull of Mars
The gravitational pull of Earth