Question 1

Which physical property is responsible for determining how Earth materials separate into interior layers?

Accepted Answer

A)  Density
B)  Color
C)  Molecular charge
D)  Tensile strengthE) All of the above
F) B) and C)

Question 2

What is the primary method scientists use to determine the layering of the interior of the Earth?

Accepted Answer

A)  Drill cores
B)  Volcanic rocks
C)  Sonar
D)  Seismic wavesE) A) and B)
F) A) and C)

Question 3

Which layer or layers of the interior are believed to have convection cells?

Accepted Answer

A)  Mantle
B)  Mantle and outer core
C)  Inner core
D)  Outer core and inner coreE) A) and D)
F) A) and C)

Question 4

What is the average rate of temperature increase in the mantle?

Accepted Answer

A)  0.3°C/km
B)  0.7°C/km
C)  1°C/km
D)  1.3°C/kmE) B) and C)
F) A) and D)

Question 5

Where is the thinnest continental crust in North America?

Accepted Answer

A)  Appalachian Mountains
B)  Mississippi River Valley
C)  Basin and Range region
D)  Colorado PlateauE) A) and B)
F) None of the above

Question 6

Which atom is easier to compress when pressure is squeezing a rock and why?

Accepted Answer

A)  Negative ion; it has more electrons and is "fluffier."
B)  Positive ion; it has fewer electrons and is already densely compact.
C)  Negative ion; electrons are easier to remove.
D)  Positive ion; it is less resistant and easier to compress.E) None of the above
F) A) and D)

Question 7

Which of the following is a negative gravity anomaly on this map?

Accepted Answer

A)  Location A
B)  Location B
C)  Location C
D)  Location DE) A) and B)
F) All of the above

Question 8

Oceanic crust is compositionally more similar to the mantle than to continental crust.

Accepted Answer

A) True 
 B)False

Question 9

Seismic tomography requires only the data from one earthquake in order to "see" all parts of the Earth's interior.

Accepted Answer

A) True 
 B)False

Question 10

What is the average geothermal gradient in the crust?

Accepted Answer

A)  20°C/km
B)  30°C/km
C)  45°C/km
D)  100°C/kmE) All of the above
F) A) and B)

Question 11

Which process is responsible for Earth's magnetic field? In which layer does this process occur?

Accepted Answer

A)  Radiation; upper mantle
B)  Subduction; lower mantle
C)  Convection; outer core
D)  Crystallization; inner coreE) C) and D)
F) None of the above

Question 12

The ________ is a seismic boundary between the crust and the mantle where there is a dramatic increase in seismic wave velocity.

Accepted Answer

A)  Schrodinger discontinuity
B)  Greenschist facies
C)  Low-velocity pathway
D)  Moho boundaryE) A) and D)
F) All of the above

Question 13

What is the dominant mineral in the lower mantle?

Accepted Answer

A)  Perovskite
B)  Olivine
C)  Quartz
D)  PyroxeneE) A) and B)
F) None of the above

Question 14

Is the force of gravity the same over the Earth's surface? Explain why or why not.

Accepted Answer

The acceleration due to gravity is not t...

Exam 12: Earths Interior

Which process is responsible for Earth's magnetic field? In which layer does this process occur?

Correct Answer
verified

Which atom is easier to compress when pressure is squeezing a rock and why?

Correct Answer
verified

What is the dominant mineral in the lower mantle?

Correct Answer
verified

What is the average geothermal gradient in the crust?

Correct Answer
verified

Which physical property is responsible for determining how Earth materials separate into interior layers?

Correct Answer
verified

What is the average rate of temperature increase in the mantle?

Correct Answer
verified

Which layer or layers of the interior are believed to have convection cells?

Correct Answer
verified

The ________ is a seismic boundary between the crust and the mantle where there is a dramatic increase in seismic wave velocity.

Correct Answer
verified

Which of the following is a negative gravity anomaly on this map?

Correct Answer
verified

Is the force of gravity the same over the Earth's surface? Explain why or why not.

Correct Answer
verified
The acceleration due to gravity is not t...
View Answer

What is the primary method scientists use to determine the layering of the interior of the Earth?

Correct Answer
verified

Where is the thinnest continental crust in North America?

Correct Answer
verified

Seismic tomography requires only the data from one earthquake in order to "see" all parts of the Earth's interior.

Correct Answer
verified

Oceanic crust is compositionally more similar to the mantle than to continental crust.

Correct Answer
verified

Exam 12: Earths Interior

Which process is responsible for Earth's magnetic field? In which layer does this process occur?

Correct AnswerverifiedShow Answer

Which atom is easier to compress when pressure is squeezing a rock and why?

Correct AnswerverifiedShow Answer

What is the dominant mineral in the lower mantle?

Correct AnswerverifiedShow Answer

What is the average geothermal gradient in the crust?

Correct AnswerverifiedShow Answer

Which physical property is responsible for determining how Earth materials separate into interior layers?

Correct AnswerverifiedShow Answer

What is the average rate of temperature increase in the mantle?

Correct AnswerverifiedShow Answer

Which layer or layers of the interior are believed to have convection cells?

Correct AnswerverifiedShow Answer

The ________ is a seismic boundary between the crust and the mantle where there is a dramatic increase in seismic wave velocity.

Correct AnswerverifiedShow Answer

Which of the following is a negative gravity anomaly on this map?

Correct AnswerverifiedShow Answer

Is the force of gravity the same over the Earth's surface? Explain why or why not.

Correct AnswerverifiedThe acceleration due to gravity is not t...View AnswerShow Answer

What is the primary method scientists use to determine the layering of the interior of the Earth?

Correct AnswerverifiedShow Answer

Where is the thinnest continental crust in North America?

Correct AnswerverifiedShow Answer

Seismic tomography requires only the data from one earthquake in order to "see" all parts of the Earth's interior.

Correct AnswerverifiedShow Answer

Oceanic crust is compositionally more similar to the mantle than to continental crust.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The acceleration due to gravity is not t...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified