Earthquakes

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Across
  1. 2. Primary, moves like a slinky
  2. 3. Surface, most surface destruction
  3. 5. Right goes up, Left goes down
  4. 7. Left goes up, Right goes down
  5. 8. Tectonics theory that Earth's lithosphere is divided into several large plates
Down
  1. 1. Secondary, moves in right angles
  2. 4. Type of boundary where plates slide against each other
  3. 6. shaking of the Earth