Science theo polleys

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Across
  1. 2. mountain white lava in it.
  2. 4. there is blank on the earth.
  3. 6. found in old mountains.
  4. 10. The earth blank is 5882 sextillion metric tons.
  5. 11. core the blank is in the earth.
  6. 13. blank brakes existing rocks.
  7. 15. a characteristic.
  8. 16. the blank is under the crust.
  9. 17. a blank makes mountains like the Himalayas.
  10. 19. rock formation.
Down
  1. 1. frozen chunks of water.
  2. 3. core is not in the earth.
  3. 5. the blank from the South Pole to the North Pole is 12664 km.
  4. 7. the earth is 45 percent of blank.
  5. 8. a way to measure the earth.
  6. 9. Moving air.
  7. 10. when blank hardens it makes a new rock.
  8. 12. found in a rock.
  9. 14. over time heat and pressure melt blank.
  10. 18. if the blank was an apple the crust would be as thick as the skin.