Question 1

Seismic waves are produced when rocks

Accepted Answer

A) undergo plastic deformation. 
B) are exposed to compressional stress. 
C) rupture or break under stress. 
D) fold to form synclines or anticlines. 
A) undergo plastic deformation. 
B) are exposed to compressional stress. 
C) rupture or break under stress. 
D) fold to form synclines or anticlines. C

Question 2

Stress is the adjustment a rock makes when it is subjected to a strain.

Accepted Answer

A) True 
 B)False  False

Question 3

The transverse (or S-waves) travel through Earth's crust more rapidly than do the compressional (or P-waves).

Accepted Answer

A) True 
 B)False  False

Question 4

Compared to an earthquake of magnitude 5, an earthquake of magnitude 7

Accepted Answer

A) releases about 10 times as much energy. 
B) produces 20 times as much ground movement. 
C) releases about 60 times as much energy. 
D) produces 100 times as much ground movement. 
A) releases about 10 times as much energy. 
B) produces 20 times as much ground movement. 
C) releases about 60 times as much energy. 
D) produces 100 times as much ground movement.

Question 5

The main volcanic mountains are those associated with

Accepted Answer

A) synclines. 
B) granitic intrusions. 
C) diverging plate boundaries. 
D) plates sliding past one another. 
A) synclines. 
B) granitic intrusions. 
C) diverging plate boundaries. 
D) plates sliding past one another.

Question 6

Seismic sea waves

Accepted Answer

A) are more properly called tsunamis than tidal waves. 
B) travel at speeds approaching 55 mph. 
C) break upon the shore rapidly. 
D) All of the above. 
A) are more properly called tsunamis than tidal waves. 
B) travel at speeds approaching 55 mph. 
C) break upon the shore rapidly. 
D) All of the above.

Question 7

When the hanging wall slips downward toward the foot wall, the fault is called

Accepted Answer

A) normal. 
B) reverse. 
C) thrust. 
D) a horst. 
A) normal. 
B) reverse. 
C) thrust. 
D) a horst.

Question 8

Most earthquakes originate deep below the crust because the pressures there are enormous.

Accepted Answer

A) True 
 B)False

Question 9

An arch-shaped fold resulting from plastic deformation is called

Accepted Answer

A) an anticline. 
B) a syncline. 
C) a plunging fold. 
D) an isoclinal fold. 
A) an anticline. 
B) a syncline. 
C) a plunging fold. 
D) an isoclinal fold.

Question 10

In general, rocks are better able to handle compressional stress than tensional stress.

Accepted Answer

A) True 
 B)False

Question 11

Sills are formations of lava that cool on Earth's surface in giant sheets.

Accepted Answer

A) True 
 B)False

Question 12

What is the name given to the force which tends to pull rocks apart?

Accepted Answer

A) compressive stress 
B) tensional stress 
C) shear stress 
D) fracture strain 
A) compressive stress 
B) tensional stress 
C) shear stress 
D) fracture strain

Question 13

Which of the following is unlikely to result from tensional stress?

Accepted Answer

A) normal fault 
B) reverse fault 
C) a graben 
D) a horst 
A) normal fault 
B) reverse fault 
C) a graben 
D) a horst

Question 14

Which of the mountain-building processes is most responsible for the features of the Rocky Mountains?

Accepted Answer

A) compressional folding 
B) faulting and upthrust 
C) volcanic intrusions 
D) None of the above. 
A) compressional folding 
B) faulting and upthrust 
C) volcanic intrusions 
D) None of the above.

Question 15

In general, an arch-shaped fold in sedimentary rock layers is called an anticline.

Accepted Answer

A) True 
 B)False

Question 16

If you are inside a building when an earthquake occurs, the best strategy is to

Accepted Answer

A) leave the building at once. 
B) lie down in the middle of a room. 
C) seek protection under a table or desk. 
D) take the elevator to the basement. 
A) leave the building at once. 
B) lie down in the middle of a room. 
C) seek protection under a table or desk. 
D) take the elevator to the basement.

Question 17

The Columbia Plateau in Washington, Idaho, and Oregon

Accepted Answer

A) is a vast volcanic neck. 
B) resulted from the upthrust of sedimentary rock beds. 
C) is made of many layers of basalt. 
D) is a huge granite dome. 
A) is a vast volcanic neck. 
B) resulted from the upthrust of sedimentary rock beds. 
C) is made of many layers of basalt. 
D) is a huge granite dome.

Question 18

Which of the following is not a feature of diastrophism?

Accepted Answer

A) stress and strain 
B) metamorphism 
C) faulting 
D) folding 
A) stress and strain 
B) metamorphism 
C) faulting 
D) folding

Question 19

Deeply buried rocks tend to break when subject to stress forming faults or joints.

Accepted Answer

A) True 
 B)False

Question 20

In a "normal" fault, the hanging wall moves downward relative to the foot wall.

Accepted Answer

A) True 
 B)False

Exam 19: Building Earths Surface

Seismic waves are produced when rocks

Stress is the adjustment a rock makes when it is subjected to a strain.

The transverse (or S-waves) travel through Earth's crust more rapidly than do the compressional (or P-waves).

Compared to an earthquake of magnitude 5, an earthquake of magnitude 7

The main volcanic mountains are those associated with

Seismic sea waves

When the hanging wall slips downward toward the foot wall, the fault is called

Most earthquakes originate deep below the crust because the pressures there are enormous.

An arch-shaped fold resulting from plastic deformation is called

In general, rocks are better able to handle compressional stress than tensional stress.

Sills are formations of lava that cool on Earth's surface in giant sheets.

What is the name given to the force which tends to pull rocks apart?

Which of the following is unlikely to result from tensional stress?

Which of the mountain-building processes is most responsible for the features of the Rocky Mountains?

In general, an arch-shaped fold in sedimentary rock layers is called an anticline.

If you are inside a building when an earthquake occurs, the best strategy is to

The Columbia Plateau in Washington, Idaho, and Oregon

Which of the following is not a feature of diastrophism?

Deeply buried rocks tend to break when subject to stress forming faults or joints.

In a "normal" fault, the hanging wall moves downward relative to the foot wall.

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