Rock cycle crossword

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Across
  1. 3. study how rocks are formed
  2. 5. igneous rock that forms underground
  3. 8. igneous rock; forms on the earths surface
  4. 9. made from remains of living things
  5. 10. formed from other pieces of rock
  6. 12. course grained rock used in construction
  7. 14. basic shape a mineral tends to take
  8. 17. organic rock
  9. 19. made mainly from fragments of other rocks
  10. 21. made of rounded pebbles cemented together
  11. 23. sand, soil, pebbles that have settled
  12. 24. one factor that can cause rocks to change
Down
  1. 1. glassy textured igneous rock
  2. 2. metamorphic rock w/out visible bands
  3. 4. one factor that can cause rocks to change
  4. 6. cooled and hardened melted minerals
  5. 7. liquid rock inside the earth
  6. 11. rock that has changed
  7. 13. fine particles of clay, mica and more
  8. 15. shows how one rock can turn into another
  9. 16. example of a sedimentary rock
  10. 18. magma that has surfaced the earth
  11. 20. rocks with visible bands
  12. 22. size of crystals in an igneous rock