Question 1

Which of the following mountain ranges did not form as a result of continent collision?

Accepted Answer

A)  Appalachian Mountains 
B)  Andes Mountains 
C)  Himalayas

Question 2

Which of the following statements comparing rates of plate motion determined from seafloor magnetic anomalies and the global positioning system (GPS) is correct?

Accepted Answer

A)  Rates of plate motions over the past decade are much faster than rates over the past several million years. 
B)  Rates of plate motions over the past decade are very similar to rates over the past several million years. 
C)  Rates of plate motions over the past decade are much slower than rates over the past several million years.

Question 3

Which is an appropriate speed for mantle convection?

Accepted Answer

A)  centimeters per year 
B)  meters per year 
C)  kilometers per year 
D)  none of these

Question 4

Complete the following sentence. Lithospheric plates are created where they____________.

Accepted Answer

A)  converge 
B)  separate 
C)  subside 
D)  all of these

Question 5

Volcanic activity in Hawaii is attributed to which geologic phenomenon?

Accepted Answer

A)  sea-floor spreading 
B)  subducting plates 
C)  transform motion 
D)  mantle plumes

Question 6

Pangea was the first supercontinent.

Accepted Answer

A) True 
 B)False

Question 7

The Red Sea represents a ___ plate boundary.

Accepted Answer

A)  transform 
B)  divergent 
C)  convergent

Question 8

What is the approximate depth of the boundary between the upper mantle and the lower mantle?

Accepted Answer

A)  100 kilometers 
B)  700 kilometers 
C)  2900 kilometers 
D)  5300 kilometers

Question 9

Which of the following features represents the cold, downwelling part of the mantle convection system?

Accepted Answer

A)  mantle plumes 
B)  spreading centers 
C)  subduction zones

Question 10

Supporters of the stratified mantle convection hypothesis believe a rapidly convecting lower mantle drives slower, more sluggish convection in the upper mantle.

Accepted Answer