Question 1

At what point did the greenhouse effect cease to raise the temperature of Venus?

Accepted Answer

A)  When all the greenhouse gases evaporated 
B)  When the radiation from Venus balanced the radiation absorbed by Venus 
C)  When the CO2 was dissolved in the early Venusian oceans 
D)  When the greenhouse gases combined with other chemicals 
A)  When all the greenhouse gases evaporated 
B)  When the radiation from Venus balanced the radiation absorbed by Venus 
C)  When the CO2 was dissolved in the early Venusian oceans 
D)  When the greenhouse gases combined with other chemicals

Question 2

Which of these objects is NOT considered geologically active?

Accepted Answer

A)  Earth 
B)  Venus 
C)  The Moon 
D)  Io 
A)  Earth 
B)  Venus 
C)  The Moon 
D)  Io

Question 3

Most of Earth's water is found in

Accepted Answer

A)  clouds. 
B)  Ice caps. 
C)  oceans. 
D)  lakes. 
A)  clouds. 
B)  Ice caps. 
C)  oceans. 
D)  lakes.

Question 4

On Earth (and in the past,on Mars),volcanoes have been vital for keeping the planet warm.This is because

Accepted Answer

A)  heat conducted from the molten mantle to the surface near volcanoes,where the crust is thin,is a major heat source for the atmosphere. 
B)  heat released along the major rift zones is the biggest source of heating for the atmosphere. 
C)  direct heat input by underwater volcanoes keeps the oceans from freezing. 
D)  they have replenished the CO2 (a greenhouse gas)that is washed out of the atmosphere by rain. 
A)  heat conducted from the molten mantle to the surface near volcanoes,where the crust is thin,is a major heat source for the atmosphere. 
B)  heat released along the major rift zones is the biggest source of heating for the atmosphere. 
C)  direct heat input by underwater volcanoes keeps the oceans from freezing. 
D)  they have replenished the CO2 (a greenhouse gas)that is washed out of the atmosphere by rain.

Question 5

The sulfur compounds that are detected in the clouds above the surface of Venus have most probably come from

Accepted Answer

A)  recent eruptions of volcanoes,spewing gases and dust high into the atmosphere. 
B)  meteoritic material that burned up as it fell into Venus's atmosphere. 
C)  intense wind storms that have carried surface dust high into the atmosphere. 
D)  the solar wind,having been captured by the intense magnetic field of the planet. 
A)  recent eruptions of volcanoes,spewing gases and dust high into the atmosphere. 
B)  meteoritic material that burned up as it fell into Venus's atmosphere. 
C)  intense wind storms that have carried surface dust high into the atmosphere. 
D)  the solar wind,having been captured by the intense magnetic field of the planet.

Question 6

Mars's atmosphere has always been thin and cold.

Accepted Answer

A) True 
 B)False

Question 7

The major volcanoes on Mars have formed

Accepted Answer

A)  in regions of ridges where the crust is being compressed and buckled without being subducted. 
B)  directly above stationary hot spots in the mantle. 
C)  on long,interconnecting ridges and rifts,where magma rising from the mantle is pushing the crust apart. 
D)  in mountain belts,where the crust is being subducted into the mantle. 
A)  in regions of ridges where the crust is being compressed and buckled without being subducted. 
B)  directly above stationary hot spots in the mantle. 
C)  on long,interconnecting ridges and rifts,where magma rising from the mantle is pushing the crust apart. 
D)  in mountain belts,where the crust is being subducted into the mantle.

Question 8

In what way was the production of the Hawaiian Islands on Earth similar to the production of some of the major mountains on Mars and Venus?

Accepted Answer

A)  They were produced by hot-spot volcanism and upflow of heat from below. 
B)  They were produced by impacts of massive asteroids during the ancient heavy bombardment period and are now being eroded by wind and water. 
C)  They were produced by slow buildup of coral reefs in ancient oceans. 
D)  They were formed by upthrust from collisions of two tectonic plates. 
A)  They were produced by hot-spot volcanism and upflow of heat from below. 
B)  They were produced by impacts of massive asteroids during the ancient heavy bombardment period and are now being eroded by wind and water. 
C)  They were produced by slow buildup of coral reefs in ancient oceans. 
D)  They were formed by upthrust from collisions of two tectonic plates.

Question 9

What evidence suggests that water in liquid form is under an ice layer on Europa?

Accepted Answer

Europa is the smoothest body in the sola

Question 10

The atmosphere of this planet is perpetually hazy,so the surface cannot be viewed from space with visible light.

Accepted Answer

A)  Venus 
B)  Earth 
C)  Mars 
D)  All of these 
A)  Venus 
B)  Earth 
C)  Mars 
D)  All of these

Question 11

What determines how geologically active a terrestrial world will be and why?

Accepted Answer

The smaller the terrestrial world,the le

Question 12

Opposite the Caloris Basin,a huge crater on Mercury,there exists a jumbled,hilly region theorized to be caused by seismic waves that were focused after the impact.

Accepted Answer

A) True 
 B)False

Question 13

Venus's craters are uniformly scattered across the planet's surface suggesting that the entire surface of the planet is essentially the same age.

Accepted Answer

A) True 
 B)False

Question 14

At the end of the mission of Galileo in 2003,the spacecraft was sent to burn up in the atmosphere of Jupiter.Why was it not just left floating in space?

Accepted Answer

A)  The last part of the mission was a final probe of Jupiter's atmosphere. 
B)  It was feared Galileo might some day crash on Europa and contaminate its oceans with biological organisms from Earth. 
C)  It was feared the new Cassini spacecraft might crash into it. 
D)  Galileo carried a nuclear reactor,and the spacecraft was destroyed to prevent possible radioactive contamination. 
A)  The last part of the mission was a final probe of Jupiter's atmosphere. 
B)  It was feared Galileo might some day crash on Europa and contaminate its oceans with biological organisms from Earth. 
C)  It was feared the new Cassini spacecraft might crash into it. 
D)  Galileo carried a nuclear reactor,and the spacecraft was destroyed to prevent possible radioactive contamination.

Question 15

What is the origin of the majority of lunar craters?

Accepted Answer

A)  Impacts by space probes 
B)  Surface collapse after loss of groundwater by evaporation 
C)  Volcanic explosions 
D)  Impacts by meteoric material 
A)  Impacts by space probes 
B)  Surface collapse after loss of groundwater by evaporation 
C)  Volcanic explosions 
D)  Impacts by meteoric material

Question 16

When were the Moon's mare basins formed?

Accepted Answer

A)  During the early heavy bombardment era (around 4.5 billion years ago) 
B)  During the final epoch of heavy bombardment (around 4.0-3.8 billion years ago) 
C)  During the time of the dinosaur extinction (around 250 million years ago) 
D)  None of these 
A)  During the early heavy bombardment era (around 4.5 billion years ago) 
B)  During the final epoch of heavy bombardment (around 4.0-3.8 billion years ago) 
C)  During the time of the dinosaur extinction (around 250 million years ago) 
D)  None of these

Question 17

Which one of the following pieces of evidence SUPPORTS the existence of tectonic activity in the Martian past?

Accepted Answer

A)  The crust is everywhere thicker than Earth's crust. 
B)  There are large,isolated hot-spot volcanoes. 
C)  Valles Marineris,a long valley system,has been observed. 
D)  There is no planet-wide magnetic field. 
A)  The crust is everywhere thicker than Earth's crust. 
B)  There are large,isolated hot-spot volcanoes. 
C)  Valles Marineris,a long valley system,has been observed. 
D)  There is no planet-wide magnetic field.

Question 18

The eruptive plumes observed on Io are thought to most closely resemble

Accepted Answer

A)  terrestrial mid-ocean ridges,where upwelling molten rock pushes the crust apart. 
B)  geysers,where material is shot upward by the pressure of gas produced below the surface. 
C)  volcanoes,producing lava flows and columns of erupting silicate ash. 
D)  explosions,where material is thrown upward by a single burst and then falls back to the surface. 
A)  terrestrial mid-ocean ridges,where upwelling molten rock pushes the crust apart. 
B)  geysers,where material is shot upward by the pressure of gas produced below the surface. 
C)  volcanoes,producing lava flows and columns of erupting silicate ash. 
D)  explosions,where material is thrown upward by a single burst and then falls back to the surface.

Question 19

Venus has a relatively thin crust that undergoes wrinkling and flaking;this model is called "flake tectonics."

Accepted Answer

A) True 
 B)False

Question 20

A large planet will cool off faster than a small planet because it is emitting energy at a faster rate.

Accepted Answer

A) True 
 B)False

At what point did the greenhouse effect cease to raise the temperature of Venus?

Which of these objects is NOT considered geologically active?

Most of Earth's water is found in

On Earth (and in the past,on Mars),volcanoes have been vital for keeping the planet warm.This is because

The sulfur compounds that are detected in the clouds above the surface of Venus have most probably come from

Mars's atmosphere has always been thin and cold.

The major volcanoes on Mars have formed

In what way was the production of the Hawaiian Islands on Earth similar to the production of some of the major mountains on Mars and Venus?

What evidence suggests that water in liquid form is under an ice layer on Europa?

The atmosphere of this planet is perpetually hazy,so the surface cannot be viewed from space with visible light.

What determines how geologically active a terrestrial world will be and why?

Opposite the Caloris Basin,a huge crater on Mercury,there exists a jumbled,hilly region theorized to be caused by seismic waves that were focused after the impact.

Venus's craters are uniformly scattered across the planet's surface suggesting that the entire surface of the planet is essentially the same age.

At the end of the mission of Galileo in 2003,the spacecraft was sent to burn up in the atmosphere of Jupiter.Why was it not just left floating in space?

What is the origin of the majority of lunar craters?

When were the Moon's mare basins formed?

Which one of the following pieces of evidence SUPPORTS the existence of tectonic activity in the Martian past?

The eruptive plumes observed on Io are thought to most closely resemble

Venus has a relatively thin crust that undergoes wrinkling and flaking;this model is called "flake tectonics."

A large planet will cool off faster than a small planet because it is emitting energy at a faster rate.

Predicting the Motions of the Stars, Sun, and Moon

Decoding the Hidden Messages in Starlight

Analyzing Scales and Motions of the Universe

Exploring Our Evolving Solar System

Uncovering Earths Systems

Observing the Dynamic Giant Planets

Looking for Life Beyond Earth

Probing the Dynamic Sun

Observing Properties of Distant Stars

Inferring Patterns in Star Life Cycles

Predicting the Violent End of the Largest Stars

Exploring Our Galaxy

Investigating Other Galaxies

Observing the Evolution of the Universe

Filters

Exam 6: Exploring Terrestrial Surface Processes and Atmospheres

At what point did the greenhouse effect cease to raise the temperature of Venus?

Which of these objects is NOT considered geologically active?

Most of Earth's water is found in

On Earth (and in the past,on Mars),volcanoes have been vital for keeping the planet warm.This is because

The sulfur compounds that are detected in the clouds above the surface of Venus have most probably come from

Mars's atmosphere has always been thin and cold.

The major volcanoes on Mars have formed

In what way was the production of the Hawaiian Islands on Earth similar to the production of some of the major mountains on Mars and Venus?

What evidence suggests that water in liquid form is under an ice layer on Europa?

The atmosphere of this planet is perpetually hazy,so the surface cannot be viewed from space with visible light.

What determines how geologically active a terrestrial world will be and why?

Opposite the Caloris Basin,a huge crater on Mercury,there exists a jumbled,hilly region theorized to be caused by seismic waves that were focused after the impact.

Venus's craters are uniformly scattered across the planet's surface suggesting that the entire surface of the planet is essentially the same age.

At the end of the mission of Galileo in 2003,the spacecraft was sent to burn up in the atmosphere of Jupiter.Why was it not just left floating in space?

What is the origin of the majority of lunar craters?

When were the Moon's mare basins formed?

Which one of the following pieces of evidence SUPPORTS the existence of tectonic activity in the Martian past?

The eruptive plumes observed on Io are thought to most closely resemble

Venus has a relatively thin crust that undergoes wrinkling and flaking;this model is called "flake tectonics."

A large planet will cool off faster than a small planet because it is emitting energy at a faster rate.

Predicting the Motions of the Stars, Sun, and Moon

Decoding the Hidden Messages in Starlight

Analyzing Scales and Motions of the Universe

Exploring Our Evolving Solar System

Uncovering Earths Systems

Observing the Dynamic Giant Planets

Looking for Life Beyond Earth

Probing the Dynamic Sun

Observing Properties of Distant Stars

Inferring Patterns in Star Life Cycles

Predicting the Violent End of the Largest Stars

Exploring Our Galaxy

Investigating Other Galaxies

Observing the Evolution of the Universe

Filters