Rocks and Plate Tectonics

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Across
  1. 2. colliding of plates
  2. 4. remains left behind
  3. 5. what is left on a tile when a rock is rubbed
  4. 6. The Mohs ________ scale
  5. 9. A German scientist known for continental drift
  6. 10. A theory of continents moving
  7. 12. rocks formed by heat and pressure
Down
  1. 1. rocks formed by magma or lava
  2. 3. a natural occurring inorganic solid
  3. 7. dividing of plates
  4. 8. rocks formed from sediments
  5. 11. sliding of plates