Plate Tectonics Quiz, Physical Geography, College of Alameda
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College of Alameda Physical Geography
Plate Tectonics Quiz

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Important:   When you answer a question, a response box will appear.   You must close this response box before continuing the quiz.  There are 20 questions in this quiz.
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1. Which one of the following islands was formed as a result of volcanic activity along a mid-ocean ridge?

Iceland
Japan
Hawaii
The Aleutians
2. At a divergent plate boundary, lithospheric plates:
Grind past each other
Collide with each other
Rift apart
Move under each other
3. The San Andreas fault between the Pacific and North American plates is an example of a:
Continent-continent convergent plate boundary
Transform fault boundary
Ocean-continent convergent plate boundary
Divergent plate boundary
4. What happens when oceanic crust collides with continental crust?
Compression causes both crusts to fold into mountains
The two lithospheric plates grind past each other
The lighter oceanic crust overrides the continental crust
The heavier oceanic crust is subducted into the earth's mantle
5. Oceanic trenches are formed by:
Sea-floor spreading
The collision of continents
The subduction of oceanic crusts into the earth's mantle
The subduction of continental crust into the earth's mantle

PAK Diagram of the Pacific Northwest and the Cascade Mountains

6. Volcanic activity in the Cascade Mountains of America's Pacific Northwest is associated with a(an):
Transform fault plate boundary
Continent-continent convergent plate boundary
Ocean-continent convergent plate boundary
A hot spot

PAK World Diagram Showing the Pacific Ocean with Convergent and Divergent Plate Boundaries

7. The sea floor of the Pacific Ocean is:
Getting larger
Getting smaller
Staying the same size
Being torn in half
8. Mountains located in the interior of lithospheric plates, such as the Urals and the Appalachians, are thought to have formed as a result of:
Continental rifting
Ancient continent-continent plate convergence
Transform faulting
Ancient ocean-continent plate convergence
9. The Himalaya Mountains are believed to be the current location of a(an):
Continent-continent convergent plate boundary
Ocean-continent convergent plate boundary
Divergent continental plate boundary
A hot spot
10. The rigid layer of the earth's crust and the upper mantle together form the:
Lithosphere
Asthenosphere
Continents
Core
11. The asthenosphere is best described as:
A rigid rock layer
Semi-molten
Composed of basaltic rock
Liquid like the earth's outer core
12. What was Alfred Wegener's explanation for 300-350 million year old (Paleozoic) glacial deposits (or till) in areas near the equator?
The continents were once located near the earth's poles.
At that time, the whole world was covered by ice.
Those areas had high mountains.
Icebergs drifted over the continents.
13. According to Alfred Wegener, 250 million year old mountains in Eastern North America are likely to be similar to those in:
South America
Europe
South Africa
Antarctica
14. Which one of the following was NOT presented by Alfred Wegener as evidence of continental drift?
Jig-saw puzzle fit of the continents
Fossil similarities
Past climates
Similar rock structures
Paleomagnetism
15. The supercontinent composed of all the continents proposed by Alfred Wegener is called:
Atlantis
Pangaea
Gondwanaland
Laurasia
16. Which one of the following statements concerning paleomagnetism is FALSE?
Periodically, the earth's magnetic field reverses: that is, the north and south magnetic poles switch polarity.
Rocks possessing paleomagnetism indicate the direction of the magnetic poles at the time the rocks crystallized.
Geomagnetic reversals cause the movements of plates.
Magnetic stripes on the sea floor provided strong evidence for sea-floor spreading.

PAK Diagram of a plate boundary

17. The diagram above shows:
A divergent plate boundary
An ocean-continent convergent plate boundary
A continent-continent convergent plate boundary
An ocean-ocean convergent plate boundary

PAK Diagram of a plate boundary

18. The diagram above shows:
A divergent plate boundary
An ocean-continent convergent plate boundary
A continent-continent convergent plate boundary
An ocean-ocean convergent plate boundary

PAK Diagram of a plate boundary

19. The diagram above shows:
A divergent plate boundary
An ocean-continent convergent plate boundary
A continent-continent convergent plate boundary
An ocean-ocean convergent plate boundary

PAK Diagram of a plate boundary

20. The diagram above shows:
A divergent plate boundary
An ocean-continent convergent plate boundary
A continent-continent convergent plate boundary
An ocean-ocean convergent plate boundary

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