CRT Review3rd Quarter

An astronomical unit is the average distance

_____.

a. Between Mercury and the sun

b. Between Mercury and Pluto

c. Light travel in 1 minute

d. Between Earth and the sun

An astronomical unit is the average distance

_____.

a. Between Mercury and the sun

b. Between Mercury and Pluto

c. Light travel in 1 minute

d. Between Earth and the sun

Distances between stars are usually

measured in _____.

a. Light-minutes

b. Light-hours

c. Light-days

d. Light-years

Distances between stars are usually

measured in _____.

a. Light-minutes

b. Light-hours

c. Light-days

d. Light-years

A comet’s tail always extends _____.

a. Towards the sun

b. Away from the sun

c. Towards the planet that it’s passing

d. Away from the planet it is passing

A comet’s tail always extends _____.

a. Towards the sun

b. Away from the sun

c. Towards the planet that it’s passing

d. Away from the planet it is passing

The majority of stars in our galaxy are

_____.

a. Blue

b. White dwarfs

c. Main-sequence

d. Red giants

The majority of stars in our galaxy are

_____.

a. Blue

b. White dwarfs

c. Main-sequence

d. Red giants

The H-R diagram has become a tool for studying the nature of stars because it shows how stars _____.

a. Are classified by temperatureb. Are classified by brightnessc. Change over timed. All of the above

The H-R diagram has become a tool for studying the nature of stars because it shows how stars _____.

a. Are classified by temperatureb. Are classified by brightnessc. Change over timed. All of the above

What type of galaxy are each?

A – B – C –

What type of galaxy are each?

A – IrregularB – EllipticalC – Spiral

In space, _____ are giant clouds of gas and

Dust where stars are born.

a. Nebulas

b. Globular clusters

c. Open clusters

d. Quasars

In space, _____ are giant clouds of gas and

Dust where stars are born.

a. Nebulas

b. Globular clusters

c. Open clusters

d. Quasars

Among the most distant objects are _____, which are among the most powerful energy sources in the universe.

a. Nebulasb. Globular clustersc. Open clustersd. Quasars

Among the most distant objects are _____, which are among the most powerful energy sources in the universe.

a. Nebulasb. Globular clustersc. Open clustersd. Quasars

A star is most likely born in a _____.

a. Globular cluster

b. Nebula

c. Black hole

d. Giant cluster of old stars

A star is most likely born in a _____.

a. Globular cluster

b. Nebula

c. Black hole

d. Giant cluster of old stars

Which of the following could be formed as a

result of a supernova?

a. A black hole

b. A neutron star

c. A pulsar

d. All of the above

Which of the following could be formed as a

result of a supernova?

a. A black hole

b. A neutron star

c. A pulsar

d. 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. Black hole

b. Red giant

c. Quasar

d. 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. Black hole

b. Red giant

c. Quasar

d. Pulsar

GEO’s are better orbits for communications

because satellites in GEO _____.

a. Remain in position over one spot

b. Are farther away from Earth’s surface

c. Do not revolve around the Earth

d. Are only a few hundred kilometers high

GEO’s are better orbits for communications

because satellites in GEO _____.

a. Remain in position over one spot

b. Are farther away from Earth’s surface

c. Do not revolve around the Earth

d. 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. NASA

b. Landsat

c. Geosynchronous orbit

d. The International Space Station

_____ was formed in response to the alarm

the United States felt over possible Soviet

superiority in space.

a. NASA

b. Landsat

c. Geosynchronous orbit

d. The International Space Station

Which of the following gave us our first close encounter with other planets and their moons?

a. Artificial satellitesb. Space probesc. Space shuttled. Space station

Which of the following gave us our first close encounter with other planets and their moons?

a. Artificial satellitesb. Space probesc. Space shuttled. Space station

As Earth’s moon waxes, the sunlit fraction

we see from Earth becomes _____.

a. Larger

b. Smaller

c. Doesn’t change

d. Turns red

As Earth’s moon waxes, the sunlit fraction

we see from Earth becomes _____.

a. Larger

b. Smaller

c. Doesn’t change

d. Turns red

When the moon is waning, the sunlit fraction

is becoming _____.

a. Smaller

b. Larger

c. Different colors

d. Doesn’t change

When the moon is waning, the sunlit fraction

is becoming _____.

a. Smaller

b. Larger

c. Different colors

d. Doesn’t change

The inner planets of our solar system are

called _____.

a. Terrestrial planets

b. Gas giants

c. Dirty snowballs

d. Small stars

The inner planets of our solar system are

called _____.

a. Terrestrial planets

b. Gas giants

c. Dirty snowballs

d. Small stars

Our sun is located in the arm of a pinwheel-

shaped _____ galaxy called the Milky Way.

a. Elliptical

b. Spiral

c. Irregular

d. Globular

Our sun is located in the arm of a pinwheel-

shaped _____ galaxy called the Milky Way.

a. Elliptical

b. Spiral

c. Irregular

d. Globular

A _____ is so small and massive that not

even light can escape its gravitational pull.

a. Neutron star

b. Pulsar

c. Quasar

d. Black hole

A _____ is so small and massive that not

even light can escape its gravitational pull.

a. Neutron star

b. Pulsar

c. Quasar

d. Black hole

A _____ is basically the death of a large star

by explosion.

a. Nova

b. Supernova

c. Black hole

d. Globular cluster

A _____ is basically the death of a large star

by explosion.

a. Nova

b. Supernova

c. Black hole

d. 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. Pulsarb. Quasarc. Neutron stard. 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. Pulsarb. Quasarc. Neutron stard. Black hole

A _____ is a spinning neutron star that gives

off radio signals.

a. Neutron star

b. Black hole

c. Quasar

d. Pulsar

A _____ is a spinning neutron star that gives

off radio signals.

a. Neutron star

b. Black hole

c. Quasar

d. Pulsar

A _____ is a reusable vehicle that lands like

an airplane.

a. Rocket

b. Space shuttle

c. Space probe

d. International Space Station

A _____ is a reusable vehicle that lands like

an airplane.

a. Rocket

b. Space shuttle

c. Space probe

d. 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. A region of the sky

b. A group of stars

c. A star pattern

d. A galaxy

What is a constellation?

a. A region of the sky

b. A group of stars

c. A star pattern

d. 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 moonWaxing crescent

First quarterWaxing gibbous

Full moonWaning gibbous

Last quarterWaning crescent

How long does Earth take to orbit once around the sun?

a. One day

b. One week

c. One month

d. One year

How long does Earth take to orbit once around the sun?

a. One day

b. One week

c. One month

d. One year

Distances between stars are usually measured in _____.

a. Light-minutes

b. Light-hours

c. Light-days

d. Light-years

Distances between stars are usually measured in _____.

a. Light-minutes

b. Light-hours

c. Light-days

d. Light-years

During a lunar eclipse, the moon can look _____.

a. Red

b. Blue

c. Black

d. Green

During a lunar eclipse, the moon can look _____.

a. Red

b. Blue

c. Black

d. Green

A comet’s tail always extends _____.

a. Towards the sun

b. Away from the sun

c. Towards the planet it is passing

d. Away from the planet it is passing

A comet’s tail always extends _____.

a. Towards the sun

b. Away from the sun

c. Towards the planet it is passing

d. Away from the planet it is passing

Which type of star is the hottest?

a. Red giant

b. Blue giant

c. White dwarf

d. Brown dwarf

Which type of star is the hottest?

a. Red giant

b. Blue giant

c. White dwarf

d. 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 StarsClass Color Surface temperature (°C) Elements detected

O blue above 30,000 helium

B blue-white 10,000–30,000 helium and hydrogen

A blue-white 7,500–10,000 hydrogen

F yellow-white 6,000–7,500 hydrogen & heavier elements

G yellow 5,000–6,000 calcium & other metals

K orange 3,500–5,000 calcium and molecules

M red Less than 3,500 molecules

Types of StarsClass Color Surface temperature (°C) Elements detectedO blue above 30,000 helium

B blue-white 10,000–30,000 helium and hydrogen

A blue-white 7,500–10,000 hydrogen

F yellow-white 6,000–7,500 hydrogen & heavier elements

G yellow 5,000–6,000 calcium & other metals

K orange 3,500–5,000 calcium and molecules

M red Less than 3,500 molecules

The stars Betelgeuse and Antares are red in color. They are class _____ stars.

a. O b. G

c. K d. M

Types of StarsClass Color Surface temperature (°C) Elements detectedO blue above 30,000 helium

B blue-white 10,000–30,000 helium and hydrogen

A blue-white 7,500–10,000 hydrogen

F yellow-white 6,000–7,500 hydrogen & heavier elements

G yellow 5,000–6,000 calcium & other metals

K orange 3,500–5,000 calcium and molecules

M red Less than 3,500 molecules

The stars Betelgeuse and Antares are red in color. They are class _____ stars.

a. O b. G

c. K d. M

Types of StarsClass Color Surface temperature (°C) Elements detectedO blue above 30,000 helium

B blue-white 10,000–30,000 helium and hydrogen

A blue-white 7,500–10,000 hydrogen

F yellow-white 6,000–7,500 hydrogen & heavier elements

G yellow 5,000–6,000 calcium & other metals

K orange 3,500–5,000 calcium and molecules

M red Less than 3,500 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 StarsClass Color Surface temperature (°C) Elements detectedO blue above 30,000 helium

B blue-white 10,000–30,000 helium and hydrogen

A blue-white 7,500–10,000 hydrogen

F yellow-white 6,000–7,500 hydrogen & heavier elements

G yellow 5,000–6,000 calcium & other metals

K orange 3,500–5,000 calcium and molecules

M red Less than 3,500 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. White dwarf, main sequence, red giant

b. Main sequence, red giant, white dwarf

c. Red giant, white dwarf, main sequence

d. 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. White dwarf, main sequence, red giant

b. Main sequence, red giant, white dwarf

c. Red giant, white dwarf, main sequence

d. Main sequence, white dwarf, red giant

On what part of the modern H-R diagram do cool, bright, red stars appear?

a. Top, right

b. Top, left

c. Bottom, right

d. Bottom, left

On what part of the modern H-R diagram do cool, bright, red stars appear?

a. Top, right

b. Top, left

c. Bottom, right

d. 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. One AU

b. 150 million kilometers

c. 93 million miles

d. All of the above

How far is Earth from the sun?

a. One AU

b. 150 million kilometers

c. 93 million miles

d. All of the above

What is the speed of light?

a. 300,000 m/s

b. 300,000 km/s

c. 300,000 feet/s

d. 300,000 AU/s

What is the speed of light?

a. 300,000 m/s

b. 300,000 km/s

c. 300,000 feet/s

d. 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. Quasar

b. Galaxy

c. Black hole

d. Gaseous planets

A _____ contains billions of stars in a space much larger than our solar system.

a. Quasar

b. Galaxy

c. Black hole

d. Gaseous planets

How many days does it take for the moon to go around the Earth?

a. 14

b. 7

c. 365

d. 28

How many days does it take for the moon to go around the Earth?

a. 14

b. 7

c. 365

d. 28

What are the 3 ways meteoroids can be classified?

a. Stony, stony-metallic and metallic

b. Stony, rocky and bumpy

c. Foamy, metallic and shiny

d. Hickory, dickory and dock

What are the 3 ways meteoroids can be classified?

a. Stony, stony-metallic and metallic

b. Stony, rocky and bumpy

c. Foamy, metallic and shiny

d. 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. Between Mercury and Venus

b. Between Jupiter and Saturn

c. Between Neptune and Uranus

d. Between Mars and Jupiter

Where would you find the asteroid belt?

a. Between Mercury and Venus

b. Between Jupiter and Saturn

c. Between Neptune and Uranus

d. Between Mars and Jupiter

How do rockets move?

a. By burning fuel to create thrust

b. By nuclear fusion

c. By burning fuel to create gravity

d. By nuclear fission

How has NASA benefited society?

a. Everyone can visit outer space

b. Has made our lives more convenient

c. We can all live longer

d. It has not helped anyone in anyway

How has NASA benefited society?

a. Everyone can visit outer space

b. Has made our lives more convenient

c. We can all live longer

d. 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. Kilometers

b. Miles

c. Parsecs

d. AU’s

Which unit of measure would be most appropriate for measuring distances between the Sun and the planets?

a. Kilometers

b. Miles

c. Parsecs

d. AU’s

What is this diagram showing?

What is this diagram showing?Solar eclipse

What causes the tides?

a. The gravitational pull of the sun

b. The gravitational pull of the moon

c. The gravitational pull of Mars

d. The gravitational pull of Earth

What causes the tides?

a. The gravitational pull of the sun

b. The gravitational pull of the moon

c. The gravitational pull of Mars

d. The gravitational pull of Earth