Earth's Systems Review

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Across
  1. 3. name of the supercontinent by alfred wegener
  2. 6. broken pieces of rock, sand, soil, etc.
  3. 7. plate boundary where two plates move away from each other
  4. 9. drift, theory that earth's continents were once joined but moved apart due to plate tectonics
  5. 11. thinnest layer of the earth closest to the surface
  6. 14. the movement of rock through wind, water, or ice
Down
  1. 1. plate boundary where two plates move towards each other
  2. 2. thickest layer of the earth that contains convection currents that move earth's plates
  3. 4. these occur at a transform plate boundary when the crust moves
  4. 5. tectonics, theory that earth's crust is broken into pieces that cause geologic events and landforms
  5. 8. the breaking down of rock
  6. 10. the law of ________ states that newer rock is formed on top of older rock layers
  7. 12. when oceanic crust sinks below continental crust
  8. 13. when sediment is laid down in a new location after erosion carries it