Whitney's and Chloe's Crossword

12345678910111213141516171819
Across
  1. 3. a minerals hardness is its resistance to being scratched
  2. 7. outside the earth
  3. 9. the amount of mass in a given volume of the substance
  4. 10. these are related to lobsters and crabs
  5. 12. beneath the crust
  6. 13. a rock that forms due to heat and or pressure
  7. 15. contains periods
  8. 17. the tendency of a mineral to break into irregular pieces
  9. 19. make up eras
Down
  1. 1. color of powder left behind when a mineral is scraped on a surface
  2. 2. metamorphic rocks that are weathered and eroded
  3. 4. outermost layer of the Earth
  4. 5. the settling out of eroded earth material
  5. 6. a rock that forms when sediment get compacted and cemented together
  6. 8. the removal and transportation of loose earth material
  7. 11. the way in which light reflects from a minerals surface
  8. 14. inside the earth
  9. 16. a rock formed when molten rock cools and hardens
  10. 17. a remnant or trace of a plant or animal that is embedded and preserved in a rock
  11. 18. the tendency of a mineral to break along flat surfaces