Geosphere Crossword Puzzle

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Across
  1. 3. _________ boundaries are when plates move away from each other
  2. 5. __________ boundaries are when plates move towards each other
  3. 7. occurs when the sinking of a subducting plate pulls the rest of the plate across the athenosphere
  4. 8. __________ currents are caused by the rising of warmer material from closer to the core
  5. 9. when two of these collide, the lithosphere buckles and mountain ranges are created.
Down
  1. 1. when a continental and oceanic plate collide, the oceanic plate subducts due to its density
  2. 2. occurs when newly-formed lithosphere next to a ridge slides down and away from the ridge
  3. 4. when two plates collide, one of the plates subducts
  4. 6. the separation of the pangea
  5. 10. ________ boundaries are when plates slide past each other