Rocks & Minerals

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Across
  1. 1. not liquid or gas
  2. 3. rocks that cool inside the earth
  3. 9. smaller piece of rock
  4. 10. liquid rock inside the earth
  5. 11. main characteristic of minerals
  6. 12. the first earth rocks
  7. 13. made of sediments of other minerals
  8. 15. galena is an example
  9. 16. was never alive
  10. 18. prefix meaning outside
Down
  1. 2. liquid rock outside the earth
  2. 4. color of a mineral's powder
  3. 5. a mineral's resistance to being scratched
  4. 6. how it reflects light
  5. 7. squeezing sediments together
  6. 8. breaking rocks into smaller pieces
  7. 11. forms from repeating pattern of atoms
  8. 14. aka table salt
  9. 17. what "morphic" in metamorphic means