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15 Cards in this Set
- Front
- Back
The idea of one large land mass was also know as.
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Pangaea
pg 40 |
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The idea of one huge ocean was called.
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Panthalassa
pg 40 |
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Alfred Wegener in 1912 came up with the idea of moving continents. This idea was also called what?
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Continental drift
pg 40 |
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The study of Earth's ancient magnetic filed.
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Paleomagnetism
pg 45 |
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The degree to which a magnetite particle points into Earth is called what?
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Magnetic dip
pg 45 |
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A continuous underwater mountain range that winds through every ocean basin in the world and resembles the seam on a baseball.
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Mid-Ocean ridge
pg 48 |
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The sea floor is oldest at the the mid-ocean ridge, and is younger as you move further away. True or False
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False
pg 50 |
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Explain the movements of the the following plate boundaries. Divergent, convergent, and Transform.
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Divergent - move away from each other
Convergent - plates aproach each other Transform - plates slide past each other pg 54 |
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The Mid-Atlantic Ridge, East Pacific Rise, East Africa Rift Valleys, Red Sea, Gulf of California are examples of what kind of plate boundaries.
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Divergent
pg 57 |
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Andes Mountains, Cascade Mountains, Aleutian Islands, Mariana Islands, Himalaya Mountains, and the Alps are examples of what kind of plate boundaries
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Convergent
pg 57 |
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Is it a faster or slower spreading mid-ocean ridge that produces broader and less rugged segments?
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Faster
pg 58 |
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This scale is increasingly used instead of the well known Richter Scale and is represented by the symbol Mw
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Moment magnitude scale
pg 58 |
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When you have Oceanic-Contintental convergance, which one becomes subducted?
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Oceanic
pg 59 |
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The San Andreas Fault is what kind of boundary?
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Transform
pg 62 |
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The areas where mantle plumes come to the surface are called what?
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hotspots
pg 63 |