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Across
  1. 3. water that fills the cracks and spaces in underground soil and rock layers
  2. 6. Quickly moving downhill flow of soil and rock fragments containing a large amount of water
  3. 9. Wave-washed sediment along a coast
  4. 10. A large mass of moving ice and snow on land
  5. 13. A low ridge of sand deposited along the shore of a lake or sea.
  6. 14. the arrangement of the natural and artificial physical features of an area.
  7. 15. information system gis A computer system that stores, organizes, analyzes, and displays geographic data.
  8. 16. a slide of a large mass of dirt and rock down a mountain or cliff
  9. 17. sensing The acquisition of data about Earth's surface from a satellite orbiting the planet or other long-distance methods.
  10. 19. positioning system A system that determines the precise position of something on Earth through a series of satellites, tracking stations, and receivers.
  11. 20. The area subject to flooding during a given number of years according to historical trends.
  12. 23. A wind-formed deposit made of fine particles of clay and silt
  13. 26. the rapid mass movement of rock down a steep slope or cliff
Down
  1. 1. map A map that shows the surface features of an area.
  2. 2. gas to solid
  3. 4. A hill or ridge of sand piled up by the wind
  4. 5. line A line on a topographic map that connects points of equal elevation
  5. 7. a low triangular area where a river divides before entering a larger body of water
  6. 8. the boundary between land and a body of water
  7. 11. interval the difference in elevation from one contour line to the next
  8. 12. the slow downhill movement of weathered rock material
  9. 13. the relationship between the portion of Earth being studied and Earth as a whole
  10. 15. drift the rock material carried and deposited by glaciers
  11. 17. the difference in elevation between the highest and lowest parts of an area
  12. 18. fan A wide, sloping deposit of sediment formed where a stream leaves a mountain range
  13. 21. contour On a topographic map, a heavier contour line that is labeled with elevation of that contour line
  14. 22. Processes by which rock, sand, and soil are broken down and carried away (i.e. weathering, glaciation)
  15. 24. island a long ridge of sand or narrow island that lies parallel to the shore
  16. 25. The steepness of a line on a graph