Question 1

Most oceanic islands and seamounts are:

Accepted Answer

A) small pieces rifted apart from continents 
B) places where the seafloor has been buckled upward by convergence 
C) constructed by volcanic eruptions that first occur under water 
D) large fan-shaped mounds deposited by turbidity currents 
A) small pieces rifted apart from continents 
B) places where the seafloor has been buckled upward by convergence 
C) constructed by volcanic eruptions that first occur under water 
D) large fan-shaped mounds deposited by turbidity currents C

Question 2

This figure shows a northwest-southeast line of islands and seamounts near Hawaii.If location 3 has the oldest rocks and Hawaii (1)has the youngest rocks,which way is the plate moving with respect to the hot spot?

Accepted Answer

A) northwest 
B) southeast 
C) northwest and southeast 
D) it is not moving in a consistent direction 
A) northwest 
B) southeast 
C) northwest and southeast 
D) it is not moving in a consistent direction A

Question 3

Which of these numbered features is on the continental slope?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) none of these 
A) 1 
B) 2 
C) 3 
D) 4 
E) none of these B

Question 4

What occurs near black smokers?

Accepted Answer

A) circular features (called chimneys)form,composed of sulfide and sulfate minerals 
B) heated fresh water is derived from the land 
C) organic-rich shale burns in the subsurface 
D) coal-rich layers burn in the subsurface 
E) none of these 
A) circular features (called chimneys)form,composed of sulfide and sulfate minerals 
B) heated fresh water is derived from the land 
C) organic-rich shale burns in the subsurface 
D) coal-rich layers burn in the subsurface 
E) none of these

Question 5

What feature is on the seafloor near Monterey,California?

Accepted Answer

A) an active subduction zone that causes earthquakes 
B) an active mid-ocean ridge that has opened up a rift on the continental margin 
C) a large submarine canyon and a number of smaller ones 
D) a circular scar interpreted to represent a huge impact crater 
E) none of these 
A) an active subduction zone that causes earthquakes 
B) an active mid-ocean ridge that has opened up a rift on the continental margin 
C) a large submarine canyon and a number of smaller ones 
D) a circular scar interpreted to represent a huge impact crater 
E) none of these

Question 6

How wide do you think the narrow ocean between the central and eastern continents will be 20 million years in the future?

Accepted Answer

A) nearly twice as wide as it is today 
B) a little wider than today 
C) same width as today 
D) much narrower than today 
A) nearly twice as wide as it is today 
B) a little wider than today 
C) same width as today 
D) much narrower than today

Question 7

Island arcs are curved because:

Accepted Answer

A) the shapes of the continents were arcuate as they rifted apart 
B) the shape of the mid-ocean ridge matches the shape of the continents 
C) Earth is a sphere,not a flat plane 
D) most terranes added to the continental margin are circular 
A) the shapes of the continents were arcuate as they rifted apart 
B) the shape of the mid-ocean ridge matches the shape of the continents 
C) Earth is a sphere,not a flat plane 
D) most terranes added to the continental margin are circular

Question 8

What is the ultimate source of food for animals living around deep-sea hydrothermal vents?

Accepted Answer

A) sunlight and photosynthesis 
B) the decay of creatures that float on the ocean surface and settle to the bottom 
C) nuclear energy from the heated uranium-rich rocks 
D) bacteria that break down hydrogen sulfide 
A) sunlight and photosynthesis 
B) the decay of creatures that float on the ocean surface and settle to the bottom 
C) nuclear energy from the heated uranium-rich rocks 
D) bacteria that break down hydrogen sulfide

Question 9

Which of the following is NOT a way in which we map and investigate the seafloor?

Accepted Answer

A) bouncing sound waves from a ship off the bottom 
B) drilling holes into the seafloor from ships 
C) using satellites to observe the sea surface 
D) conducting seismic surveys to investigate rock layers 
E) we use all of these techniques 
A) bouncing sound waves from a ship off the bottom 
B) drilling holes into the seafloor from ships 
C) using satellites to observe the sea surface 
D) conducting seismic surveys to investigate rock layers 
E) we use all of these techniques

Question 10

Which of the following seas was formed by rifting or seafloor spreading?

Accepted Answer

A) North Sea 
B) Red Sea 
C) Persian Gulf 
D) Baltic Sea 
A) North Sea 
B) Red Sea 
C) Persian Gulf 
D) Baltic Sea

Question 11

If you wanted to locate hot spots on Earth,which of the following would NOT be good place to look?

Accepted Answer

A) the volcanically active end of a linear island chain 
B) clusters of volcanically active islands 
C) Hawaii and the Galapagos 
D) all of these would be good places 
A) the volcanically active end of a linear island chain 
B) clusters of volcanically active islands 
C) Hawaii and the Galapagos 
D) all of these would be good places

Question 12

Which of these numbers has the thinnest sequence of marine sediments?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) none of these 
A) 1 
B) 2 
C) 3 
D) 4 
E) none of these

Question 13

Which of the following is associated with a fast-spreading ridge?

Accepted Answer

A) rates of about 10 centimeters per year or more 
B) a broad ridge because the rocks remain hotter farther from the center of spreading 
C) less of a deep central rift than in a slow spreading ridge 
D) all of these 
A) rates of about 10 centimeters per year or more 
B) a broad ridge because the rocks remain hotter farther from the center of spreading 
C) less of a deep central rift than in a slow spreading ridge 
D) all of these

Question 14

This map shows plate boundaries in the Caribbean region.Which number is in the Gulf of Mexico?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 15

Which of the following are associated with turbidity currents?

Accepted Answer

A) a dense slurry of water and sediment that moves downhill 
B) submarine canyons 
C) submarine fans 
D) graded beds 
E) all of these 
A) a dense slurry of water and sediment that moves downhill 
B) submarine canyons 
C) submarine fans 
D) graded beds 
E) all of these

Question 16

These globes show the position of the continents and ocean basins at various times in the past.What is the correct order of these globes,from oldest to youngest?

Accepted Answer

A) 1,2,3,4 
B) 1,4,3,2 
C) 4,3,2,1 
D) 4,3,1,2 
E) 4,1,3,2 
A) 1,2,3,4 
B) 1,4,3,2 
C) 4,3,2,1 
D) 4,3,1,2 
E) 4,1,3,2

Question 17

What setting has the thinnest cover of sediment in the oceans?

Accepted Answer

A) mid-ocean ridges 
B) abyssal plain 
C) oceanic trenches 
D) continental shelves and slopes along passive margins 
A) mid-ocean ridges 
B) abyssal plain 
C) oceanic trenches 
D) continental shelves and slopes along passive margins

Question 18

Which of these numbered features is an atoll?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) all of these 
E) none of these 
A) 1 
B) 2 
C) 3 
D) all of these 
E) none of these

Question 19

What processes can occur in front of or behind some island arcs?

Accepted Answer

A) trench rollback or back-arc rifting 
B) fold and thrust belts in the mountains,and formation of a continental plateau 
C) formation of an oceanic plateau related to subduction 
D) all of these 
A) trench rollback or back-arc rifting 
B) fold and thrust belts in the mountains,and formation of a continental plateau 
C) formation of an oceanic plateau related to subduction 
D) all of these

Question 20

This map shows plate boundaries in the Caribbean region.Which number is closest to a transform boundary?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Most oceanic islands and seamounts are:

This figure shows a northwest-southeast line of islands and seamounts near Hawaii.If location 3 has the oldest rocks and Hawaii (1)has the youngest rocks,which way is the plate moving with respect to the hot spot?

Which of these numbered features is on the continental slope?

What occurs near black smokers?

What feature is on the seafloor near Monterey,California?

How wide do you think the narrow ocean between the central and eastern continents will be 20 million years in the future?

Island arcs are curved because:

What is the ultimate source of food for animals living around deep-sea hydrothermal vents?

Which of the following is NOT a way in which we map and investigate the seafloor?

Which of the following seas was formed by rifting or seafloor spreading?

If you wanted to locate hot spots on Earth,which of the following would NOT be good place to look?

Which of these numbers has the thinnest sequence of marine sediments?

Which of the following is associated with a fast-spreading ridge?

This map shows plate boundaries in the Caribbean region.Which number is in the Gulf of Mexico?

Which of the following are associated with turbidity currents?

These globes show the position of the continents and ocean basins at various times in the past.What is the correct order of these globes,from oldest to youngest?

What setting has the thinnest cover of sediment in the oceans?

Which of these numbered features is an atoll?

What processes can occur in front of or behind some island arcs?

This map shows plate boundaries in the Caribbean region.Which number is closest to a transform boundary?

The Nature of Geology

Investigating Geologic Questions

Plate Tectonics

Earth Materials

Igneous Environments

Volcanoes and Volcanic Hazards

Sedimentary Environments and Rocks

Deformation and Metamorphism

Geologic Time

Mountains, basins, and Continents

Earthquakes and Earths Interior

Climate, weather, and Their Influences on Geology

Glaciers, shorelines, and Changing Sea Levels

Weathering, soil, and Unstable Slopes

Streams and Flooding

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Exam 10: The Seafloor and Continental Margins

Most oceanic islands and seamounts are:

This figure shows a northwest-southeast line of islands and seamounts near Hawaii.If location 3 has the oldest rocks and Hawaii (1)has the youngest rocks,which way is the plate moving with respect to the hot spot?

Which of these numbered features is on the continental slope?

What occurs near black smokers?

What feature is on the seafloor near Monterey,California?

How wide do you think the narrow ocean between the central and eastern continents will be 20 million years in the future?

Island arcs are curved because:

What is the ultimate source of food for animals living around deep-sea hydrothermal vents?

Which of the following is NOT a way in which we map and investigate the seafloor?

Which of the following seas was formed by rifting or seafloor spreading?

If you wanted to locate hot spots on Earth,which of the following would NOT be good place to look?

Which of these numbers has the thinnest sequence of marine sediments?

Which of the following is associated with a fast-spreading ridge?

This map shows plate boundaries in the Caribbean region.Which number is in the Gulf of Mexico?

Which of the following are associated with turbidity currents?

These globes show the position of the continents and ocean basins at various times in the past.What is the correct order of these globes,from oldest to youngest?

What setting has the thinnest cover of sediment in the oceans?

Which of these numbered features is an atoll?

What processes can occur in front of or behind some island arcs?

This map shows plate boundaries in the Caribbean region.Which number is closest to a transform boundary?

The Nature of Geology

Investigating Geologic Questions

Plate Tectonics

Earth Materials

Igneous Environments

Volcanoes and Volcanic Hazards

Sedimentary Environments and Rocks

Deformation and Metamorphism

Geologic Time

Mountains, basins, and Continents

Earthquakes and Earths Interior

Climate, weather, and Their Influences on Geology

Glaciers, shorelines, and Changing Sea Levels

Weathering, soil, and Unstable Slopes

Streams and Flooding

Water Resources

Energy and Mineral Resources

Geology of the Solar System

Filters