Rock Crossword

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Across
  1. 1. A solid combination of one or more minerals
  2. 4. Helps igneous rocks form
  3. 8. Forms when water evaporated
  4. 11. Forms from the cooling of magma ex. Granite
  5. 12. One of the ways scientists classify rock
  6. 13. Opposite of coarse-grained
  7. 14. Comes out of Earth
  8. 15. Forms from the compaction of sediments ex. limestone
Down
  1. 2. Forms from water, or naturally
  2. 3. This rock type is fine-grained
  3. 5. Forms from already existing rocks due to heat, ex. marble
  4. 6. One way scientists classify rock
  5. 7. Forms when magma intrudes surrounding rock below Earth's surface.
  6. 9. Opposite of fine-grained
  7. 10. What rocks contain