Rock Cycle

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Across
  1. 2. ratio of mass to volume
  2. 4. mud silt and sand all are examples of
  3. 6. what is the name of the hardness scale
  4. 8. a solid made from on or more minerals put together
  5. 10. what is the softest mineral
  6. 12. the way the mineral reflects light
  7. 13. the mineral must be fromed in
  8. 15. what rock is formed by cementation and compaction
  9. 16. true or false the streak of a rock has to be the same as the color
  10. 19. break on uneven sides of the rock
  11. 20. name one simple machine that can cut a rock
Down
  1. 1. what is the hardest mineral
  2. 3. which type of rock is formed by heat and pressure
  3. 5. what rock is formed by coolling magma
  4. 7. which test to identify mineals is measured in numbers
  5. 9. the apperance of a rock
  6. 11. when a mineral splits on flat surfaces
  7. 14. how many groups are the rocks split into
  8. 17. layers in a sedimentary rock
  9. 18. the color of the powder the mineeral leaves behind when scratched on white porecelian