| A | B |
| cartography | the science of making maps |
| conic projection | placing a paper cone over a lighted globe |
| countour line | lines used to show elevation |
| depression contour | contour lne with short inward lines |
| elevation | height above sea level |
| geomagnetic pole | the point on the earth just above the imaginary magnets |
| gnomonic projection | placing a sheet of paper on one point of a lighted globe |
| true north | the direction of geographic north |
| index contour | every fifth line on a topography map that i darker in color |
| latitutde | the angular distance north or south of the equator |
| legend | list of symbols and their meaning |
| longitude | the angular distance east or west of the equator measured in degrees |
| magnetic declination | the angle between the geographic pole and dthe direction the compass points |
| map projection | a flat map that represents the curved surface of a globe |
| mean sea level | the midpoint between highes and lowest tide |
| mercator projection | wrapping a paper cylinder around the globe |
| meridian | set of lines that de4scribe positions east and west on the globe |
| parallel | set of lines that describe positions north and south of the equator |
| polyconic projection | wrapping a paper cyinder around the globe |
| prime meridian | defined by International agreement; 0 degree line that runs north and south |
| relief | the difference in elevation from the highest to lowest point on the map |
| scale | indicates the relationship between distance on a map and actual distance |
| topographic map | map that is useful for identifying relief on a map |
| topography | surface features, or change in elevation |
| contour interval | the difference in elevation between one contour line and the next |