Chapter 2 - Representations of Earth

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Across
  1. 5. a map that preserves shape but distorts area
  2. 6. a line connecting points of equal value
  3. 8. a projection that balances distortions of shape, area, and distance
  4. 10. data that changes smoothly across a region, such as elevation or temperature
  5. 11. the main north-south line in a survey system
  6. 15. data that represents separate, distinct features or categories
  7. 16. a navigation tool used to measure the angle between an object and the horizon
  8. 21. stretching vertical scale to highlight terrain features
  9. 22. a square unit of land, typically 6 miles by 6 miles, in the survey system
  10. 26. the ratio between map distance and real-world distance
  11. 29. the largest possible circle on a sphere, dividing it into two equal halves
  12. 31. a written statement of map scale (e.g., "1 cm = 1 km")
  13. 32. a ratio or fraction showing the relationship between map and ground distances
  14. 34. the smallest unit of a digital image
  15. 35. one half of Earth, either north/south or east/west
  16. 41. a circle on a sphere that does not divide it into equal halves
  17. 46. a line of constant compass direction
  18. 48. the line of 0° latitude that divides Earth into northern and southern hemispheres
  19. 53. a network of latitude and longitude lines that locates points on Earth
  20. 55. a method using sound waves to map underwater surfaces
  21. 56. the preservation of distance in map projection
  22. 57. the line where the calendar date changes by one day
  23. 58. a picture made of pixels used in remote sensing
  24. 59. a method for representing Earth’s curved surface on a flat map
  25. 60. a system that uses radio waves to detect objects and surfaces
  26. 62. the vertical distance between contour lines
  27. 63. the main east-west line in a survey system
  28. 64. the level of detail in a digital image
  29. 65. the process of planning and following a route
  30. 66. a map projection based on a plane touching Earth at a point
  31. 67. just beyond visible red light
  32. 68. radar that scans sideways from a flying aircraft
Down
  1. 1. a square mile of land within a township
  2. 2. a line of longitude running from the North Pole to the South Pole
  3. 3. a region where the same standard time is used
  4. 4. software that analyzes and displays spatial data
  5. 5. a grid used to determine the location of points on Earth
  6. 7. a digital representation of ground surface topography
  7. 9. a satellite-based system for determining precise location
  8. 12. the time of day when the sun is highest in the sky
  9. 13. radar that creates pictures of the surface
  10. 14. the point at 90° north latitude
  11. 17. a line on a map showing constant elevation
  12. 18. radar used to detect precipitation and storm movement
  13. 19. that shows heat patterns
  14. 20. capturing data in multiple wavelengths for analysis
  15. 23. a map that accurately shows area but distorts shape
  16. 24. a projection that shows great circles as straight lines
  17. 25. the direction or path along a compass
  18. 27. the line of 0° longitude that divides the Earth into east and west
  19. 28. the point at 90° south latitude
  20. 30. Canada’s official land surveying framework for federal lands
  21. 33. a line of latitude running east-west around Earth
  22. 36. creating visual representations of data for interpretation
  23. 37. a compass direction measured in degrees from north
  24. 38. the shape of Earth, slightly flattened at the poles and bulging at the equator
  25. 39. a cylindrical map projection that shows accurate shapes but distorts size near the poles
  26. 40. an image made by combining several bands of remote sensing data into a color display
  27. 42. a map key explaining the symbols used
  28. 43. the science and art of making maps
  29. 44. converting addresses into geographic coordinates
  30. 45. a line or bar showing distance units on a map
  31. 47. the angular distance east or west of the prime meridian
  32. 49. a side view showing elevation changes along a line
  33. 50. a map focused on a specific topic or theme
  34. 51. collecting data from a distance, typically with satellites or aircraft
  35. 52. the angle between magnetic north and true north
  36. 54. the slope or steepness between two points
  37. 61. the angular distance north or south of the equator