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Study Guide Answers

1.     The Andean Cordillera is: (a) the highest mountain in South America (b) a mountain range in South America (c) a mountain chain in South America (d) a mountain building process.
     (c) a mountain chain in South America
2.     Which of the following is the best example of old mountains that have been heavily weathered into rounded forms? (a) the Andes (b) the Rocky Mountains (c) the Himalayas (d) the Appalachians (e) the Alps
     (d) the Appalachians
3.     An orogeny is: (a) a major upheaval that creates mountain chains (b) the type of volcanic eruption that creates stratovolcanoe (c) another term for the theory of plate tectonics (d) an event usually associated with pyroclastic ejections (e) a large indentation in the top of a volcano.
      (a) a major upheaval that creates mountain chains
4.     Tectonic processes involve folding, faulting, and __________________________________.
     igneous activity
5.     Extrusive igneous activity builds: (a) volcanic mountains (b) dikes (c) plutons (d)batholiths (e) all of the above.
     (a) volcanic mountains
6.     Which of the following volcanic landforms is built up of loose, fragmentary materials? (a) a plug dome (b) a cinder cone (c) a fissure flow (d) a stratovolcano e) a shield volcano.
     (b) a cinder cone
7.     The term used to describe loose fragmentary materials that are ejected from a volcano is: "_________________________. "
     pyroclastics
8.     Which of the following is an example of a cinder cone? (a) Parícutin (b) Chimborazo (c) Osorno (d) Saint Helens (e) Rainier
     (a) Parícutin
9.     Intrusive igneous activity involves the movement and solidification of magma within the earth's crust. True or false?
     true
10.     Which of the following intrusive features cuts across the structure of pre-existing rock? (a) sill (b) dike (c) laccolith (d) neck (d) batholith
     (b) dike
11.     The term for the crest of a fold is _________________________________.
     anticline
12.     The San Andreas fault, in which slippage is horizontal, is: (a) a normal fault (b) a strike-slip fault (c) a reverse fault (d) an overthrust fault (e) a horst
     (b) a strike-slip fault
13.     Earthquakes are associated with: (a) normal faults (b) strike-slip faults (c) reverse faults (d) overthrust faults (e)all of the above.
     (e) all of the above
14.     Death Valley, formed when a block of land was dropped down between two faults, is an example of a(n) ______________________________.
     graben
15.     A rift valley is a very long horst structure. True or false?
     false
16.     Where plates are spreading apart, as can be seen in Iceland.
     divergent margin between plates
17.     Associated with building the Andes Mountains in South America.
     convergence of an oceanic plate and a continental plate
18.     Associated with major strike-slip earthquakes.
     transform margin between plates
19.     Helps to account for volcanic activity in the Aleutian Islands.
     convergence of oceanic plates
20.     Associated with building the Himalayas.
     convergence of continental plates
© Educational Video Network, Inc. 2005 - www.evndirect.com
Your leading source for curriculum-based educational videos and DVDs.