| A | B |
|---|
| map | representation of the features of a physical body such as Earth |
| true north | direction to the geographic North Pole |
| magnetic declination | difference between the magnetic north and the true north |
| latitude | distance north or south of the equator, expressed in degrees |
| equator | circle halfway between the North and South Poles that divides the Earth into Northern and Southern Hemispheres |
| longitude | the distance east and west of the prime meridian |
| prime meridian | represents 0 longitude |
| topographic map | a map that shows surface features of the Earth |
| elevation | the height of an object above sea level |
| contour line | lines that connect points of equal elevation |
| contour interval | the difference in elevation between one contour line and the next |
| relief | variations in elevation of a land surface |
| index contour | a darker,contour line that is usually every fifth line and that is labeled by elevation |
