Earth Science

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Across
  1. 7. grinding away of rock by rock particles carried by water, ice, wind or gravity
  2. 8. process that breaks down rock
  3. 11. makes a half circle from the North pole to the South pole
  4. 13. distance on a map to a distance on Earth's surface
  5. 14. distance around a circle
Down
  1. 1. the change in elevation from contour line to contour line
  2. 2. connects points of equal elevation
  3. 3. rock is physically broken into smaller pieces
  4. 4. map showing the surface features of an area
  5. 5. process that breaks down rock and other substances at Earth's surface
  6. 6. removal of rock particles by wind, water, ice or gravity
  7. 9. imaginary line that circles Earth
  8. 10. one half of the sphere that makes up Earth's surface.
  9. 12. ice in rocks widen and deepen crakes.