Rocks and their change

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Across
  1. 3. The hot center of the earth.
  2. 4. A large, rounded rock.
  3. 6. went to Disney land last recently
  4. 8. Person who paints pictures or carves statues.
  5. 11. An evenly shaped clear mineral.
Down
  1. 1. Break into very small pieces.
  2. 2. Study of plant and animal life.
  3. 4. Hard rock left by a volcano.
  4. 5. birthday is November 3rd
  5. 7. A person who goes into space in a rocket ship.
  6. 9. A school of higher learning.
  7. 10. A hard, outside covering.