Geologic Crossword Puzzle

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Across
  1. 3. rocks from cooled lava
  2. 4. heavy rains
  3. 5. dry streambed
  4. 8. rocks formed from sand, rocks, and shells
  5. 9. mudflow
  6. 13. long crack in the earth's crust
  7. 15. concerned with folds and faults of the earth
  8. 16. soil deposited by wind
  9. 17. liquid rock
Down
  1. 1. scientist who study rocks
  2. 2. lava rock
  3. 4. decays or rots
  4. 6. large waterfalls
  5. 7. huge boulder carried by a glacier
  6. 10. smooths out rough surfaces
  7. 11. breaks in the earth's crust
  8. 12. layer of rock that holds water
  9. 14. temporarily inactive