Natural Systems Unit Test

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Author:
facea1998
ID:
214906
Filename:
Natural Systems Unit Test
Updated:
2013-04-21 19:55:34
Tags:
geography
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Natural systems unit test study cards
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  1. tsunami
    a long, high sea wave cause by an underwater earthquake
  2. continental drift
    theory by German scientist Alfred Wegner stating that 300 million years ago all of Earth's land masses, which were in constant motion, collided to form one supercontinent called Pangaea
  3. Pangaea
    supercontinent that included all of Earth's land masses. It existed from about 300 million years ago to 200 million years ago.
  4. plate tectonics
    theory that states that Earth's outer shell consists of plates that move causing earthquakes, volcanoes, mountains, and the formation of new crust 
  5. convection currents
    circular movement in a gas or liquid created by uneven heat
  6. erosion
    wearing away of Earth's surface followed by the movement to other locations of materials that have worn away

    a physical action such as glaciation

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