Owen Gerlach

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Across
  1. 4. sea floor, spreading
  2. 5. the sliding of a denser ocean plate under another plate when they collide
  3. 7. the point where an earthquake starts as rock begin to slide past each other
  4. 9. molten rock
  5. 10. the central opening in a volcanic area through which magma may escape
  6. 11. earths surface broken into plates
Down
  1. 1. continents which drift
  2. 2. horizontal layers
  3. 3. a huge crack
  4. 6. rocky surface
  5. 8. layer beneath Earth's crust