Question 1

If a ship towing a magnetometer passes over a piece of crust with a "normal" polarity,what will the magnetic anomaly look like?

Accepted Answer

A)  The magnetic anomaly will be greater than Earth's.
B)  The magnetic anomaly will be lower than Earth's.
C)  The magnetic anomaly will exactly match Earth's.
D)  The magnetic anomaly will be exactly zero.

Question 2

In the picture below,when the ship is filled with cargo it sinks into the water until the mass of water displaced is equal to the mass of the cargo.The ship is then said to be ________.

Accepted Answer

A)  an equipotential surface
B)  a self-exciting dynamo
C)  equal to the geoid
D)  in isostatic equilibrium

Question 3

Earth's magnetic field is produced in the ________.

Accepted Answer

A)  crust
B)  mantle
C)  outer core
D)  inner core

Question 4

A positive magnetic anomaly is produced when the measured magnetic field strength is ________ the expected magnetic field strength.

Accepted Answer

A)  greater than
B)  less than
C)  the same as
D)  the opposite of

Question 5

If a seismic wave is refracted upward at a boundary,what can be said about the material the wave is traveling through?

Accepted Answer

A)  The wave is moving through two materials of the same velocity.
B)  The wave is moving from a faster material into a slower material.
C)  The wave is moving from a slower material into a faster material.
D)  The wave is traveling through a molten magma chamber.

Exam 27: the Earths Interior, revisited: Seismic Layering, gravity, and the Magnetic Field

If a ship towing a magnetometer passes over a piece of crust with a "normal" polarity,what will the magnetic anomaly look like?

Correct Answer
verified

A positive magnetic anomaly is produced when the measured magnetic field strength is ________ the expected magnetic field strength.

Correct Answer
verified

If a seismic wave is refracted upward at a boundary,what can be said about the material the wave is traveling through?

Correct Answer
verified

Earth's magnetic field is produced in the ________.

Correct Answer
verified

In the picture below,when the ship is filled with cargo it sinks into the water until the mass of water displaced is equal to the mass of the cargo.The ship is then said to be ________.

Correct Answer
verified

Exam 27: the Earths Interior, revisited: Seismic Layering, gravity, and the Magnetic Field

If a ship towing a magnetometer passes over a piece of crust with a "normal" polarity,what will the magnetic anomaly look like?

Correct AnswerverifiedShow Answer

A positive magnetic anomaly is produced when the measured magnetic field strength is ________ the expected magnetic field strength.

Correct AnswerverifiedShow Answer

If a seismic wave is refracted upward at a boundary,what can be said about the material the wave is traveling through?

Correct AnswerverifiedShow Answer

Earth's magnetic field is produced in the ________.

Correct AnswerverifiedShow Answer

In the picture below,when the ship is filled with cargo it sinks into the water until the mass of water displaced is equal to the mass of the cargo.The ship is then said to be ________.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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