EARTH: AN INTRODUCTION TO PHYSICAL GEOLOGY

Chapter 2: Plate Tectonics: A Scientific Revolution Unfolds

Concept #4 Quiz

Choose the best possible answer to the following questions about Key Concept 4 "Fundamental components of the plate tectonics model."

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1. The lithosphere is divided into about 12 rigid plates that “ride” over the ________.  

2. What classifies a certain bit of a lithospheric plate as "oceanic" or "continental"? [Hint]

3.

Identify the type of plate boundary illustrated by each of the figures.  

For each item below, use the pull-down menu to select the letter that labels the correct part of the image.

The letters A through C appear on an image associated with this question.

 [Hint]
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4. Which of the following is the single difference that makes a lithospheric plate boundary “divergent,” “convergent” or “transform”?  

5.

Identify each of the indicated features by selecting the correct response.  

For each item below, use the pull-down menu to select the letter that labels the correct part of the image.

The letters A through E appear on an image associated with this question.

 [Hint]
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6.

Match the following plate tectonics terms with their definitions.  

Using the pulldown boxes, match each item on the left to the corresponding item at right.

A. the outermost 100 km of the Earth including crust and upper mantle
B. lithospheric plates move together
C. lithospheric plates move apart
D. lithospheric plates slip past each other horizontally
E. the part of the mantle over which plates move
 

7.

Identify the feature indicated on this NOAA seafloor age map by selecting the correct response.  

For each item below, use the pull-down menu to select the letter that labels the correct part of the image.

The letters A through D appear on an image associated with this question.

 [Hint]
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8. Why does continental crust tend to be older than oceanic crust?  

9. Pull-apart rift zones are generally associated with which type of plate margin?  

10.

Indicate the term for each letter on the diagram.  

For each item below, use the pull-down menu to select the letter that labels the correct part of the image.

The letters A through G appear on an image associated with this question.

Answer choices in this exercise are randomized and will appear in a different order each time the page is loaded.
 




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