|
 Altitude | elevation especially above sea level or above the earth's surface |
| contour line | A line on a topographic map that connects points of equal elevation |
| gradient | Change in elevation over a distance |
| isobar | a line on a weather map that joins places that have the same air pressure |
| isotherm | A line on a weather map that joins places that have the same temperature. |
| profile | the side view of an areas landscape |
| topographic map | shows surface features of an area such as mountains, valleys, plains, and plateaus by using contour lines to show changes in elevation |
| contour interval | the difference in elevation between one contour line and the next |
| isoline | A line that connects points of equal value |