Question 1

Which of these regions is high because of mantle upwelling near a continental rift?

Accepted Answer

A)  1,Andes of South America
B)  2,East Africa
C)  3,Tibet
D)  None of these are correct.

Question 2

On this map of South America,which features are not on a plate boundary?

Accepted Answer

A)  A and B
B)  B and C
C)  C and D
D)  D and E
E)  All of the features are on a plate boundary.

Question 3

Which area(s) on this world map is likely to have volcanoes above sea level?

Accepted Answer

A)  A
B)  B
C)  C
D)  D

Question 4

What is associated with reversed magnetic polarity?

Accepted Answer

A)  A compass needle would point south.
B)  The magnetic signal of seafloor formed with this polarity would be stronger compared to adjacent areas of the seafloor.
C)  There are much fewer intervals of reversed polarity than normal polarity.
D)  All of these are correct.

Question 5

On the accompanying map,earthquakes are most likely at locations

Accepted Answer

A)  1,2,and 3.
B)  1 and 4.
C)  1 and 5.
D)  2,3,and 4.
E)  4 and 5.

Question 6

This figure depicts what type of boundary?

Accepted Answer

A)  Oceanic divergent boundary
B)  Ocean-ocean convergent boundary
C)  Ocean-continent convergent boundary
D)  Transform boundary
E)  Continental collision

Question 7

Oceanic crust is

Accepted Answer

A)  thinner and less dense than continental crust.
B)  thinner and denser than continental crust.
C)  thicker and less dense than continental crust.
D)  thicker and denser than continental crust.

Question 8

Based on the position of the houses on Continent A,which one is built in the safest location?

Accepted Answer

A)  House A
B)  House B
C)  House C
D)  House D
E)  House E

Question 9

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.

Question 10

How fast do plates move relative to one another?

Accepted Answer

A)  Centimeters per year
B)  Meters per year
C)  Kilometers per year
D)  One hundred kilometers per year

Question 11

On this map of the south Atlantic,what is the feature that makes a zigzag pattern on the seafloor?

Accepted Answer

A)  Island arc
B)  Linear island chain
C)  Subduction zone
D)  Midocean ridge
E)  None of these are correct.

Question 12

Use your knowledge of plate boundaries to answer whether an earthquake is likely or unlikely to occur at the location of the red circle.

Accepted Answer

A)  Likely
B)  Unlikely

Question 13

What causes magnetic stripes on the seafloor,such as those shown here?

Accepted Answer

A)  Volcanic rocks in oceanic crust are covered by a variable thickness of sediment.
B)  Some oceanic crust consists of volcanic rocks and some is composed of sediment.
C)  Sometimes Earth's magnetic field points north and sometimes it points south.
D)  Some volcanic rocks are formed in normal ways and others have pillows.

Question 14

Which of the layers in the diagram below are rigid?

Accepted Answer

A)  1 and 2
B)  2 and 3
C)  1,2,and 3
D)  All of them are correct.

Question 15

What occurs at midocean ridges?

Accepted Answer

A)  Oceanic crust is destroyed.
B)  Continental crust is destroyed.
C)  Oceanic crust is created.
D)  Continental crust is created.
E)  All crust is destroyed by magma.

Question 16

Which of the following happened to form the features in this region?

Accepted Answer

A)  Formation of a continental hot spot
B)  Continental rifting
C)  Seafloor spreading
D)  Volcanism that produced new land
E)  All of these are correct.

Question 17

Which of the following is not the name of a supercontinent?

Accepted Answer

A)  Gondwana
B)  Laurasia
C)  Pangaea
D)  Rodinia
E)  Tethys

Question 18

Which of the following is true about internal and external processes?

Accepted Answer

A)  Internal processes tend to wear away parts of the landscape,while external processes build it back up again.
B)  Internal processes and external processes are largely independent of each other.
C)  Tectonics is an internal process,and erosion is an external process.
D)  Internal processes include processes in the atmosphere and hydrosphere,while external processes occur in the lithosphere.

Question 19

In this figure of Japan,the offshore trenches indicate

Accepted Answer

A)  continental rifting.
B)  a rift in a midocean ridge formed by seafloor spreading.
C)  a rift in a midocean ridge formed by transform faulting.
D)  subduction of oceanic crust.

Question 20

What is a use of understanding magnetic reversals?

Accepted Answer

A)  Matching the patterns of reversals in a rock sequence to the magnetic timescale
B)  Studying magnetic stripes on the seafloor
C)  Calculating rates of seafloor spreading
D)  All of these are correct.

Exam 10: Plate Tectonics and Regional Features

Which of the following is not the name of a supercontinent?

Correct AnswerverifiedShow Answer

Which of these regions is high because of mantle upwelling near a continental rift?

Correct AnswerverifiedShow Answer

Which of the following happened to form the features in this region?

Correct AnswerverifiedShow Answer

Which of the following is true about internal and external processes?

Correct AnswerverifiedShow Answer

On this map of South America,which features are not on a plate boundary?

Correct AnswerverifiedShow Answer

Which area(s) on this world map is likely to have volcanoes above sea level?

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

Use your knowledge of plate boundaries to answer whether an earthquake is likely or unlikely to occur at the location of the red circle.

Correct AnswerverifiedShow Answer

This figure depicts what type of boundary?

Correct AnswerverifiedShow Answer

Which of the layers in the diagram below are rigid?

Correct AnswerverifiedShow Answer

On this map of the south Atlantic,what is the feature that makes a zigzag pattern on the seafloor?

Correct AnswerverifiedShow Answer

What is a use of understanding magnetic reversals?

Correct AnswerverifiedShow Answer

What causes magnetic stripes on the seafloor,such as those shown here?

Correct AnswerverifiedShow Answer

In this figure of Japan,the offshore trenches indicate

Correct AnswerverifiedShow Answer

Oceanic crust is

Correct AnswerverifiedShow Answer

How fast do plates move relative to one another?

Correct AnswerverifiedShow Answer

What occurs at midocean ridges?

Correct AnswerverifiedShow Answer

On the accompanying map,earthquakes are most likely at locations

Correct AnswerverifiedShow Answer

Based on the position of the houses on Continent A,which one is built in the safest location?

Correct AnswerverifiedShow Answer

What is associated with reversed magnetic polarity?

Correct AnswerverifiedShow Answer

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