| A | B |
| topography | the shape of the land |
| elevation | the height above sea level |
| relief | the difference between the highest and lowest points of elevation |
| plain | a landform with low relief and low elevation |
| mountain | a landform with high relief and high elevation |
| plateau | a landform with high elevation and a relatively flat surface |
| map | a flat model of Earth's surface shown as seen from above. |
| scale | relates a distance on a map to the distance on Earth's surface |
| degrees | these units are used to measure latitude and longitude |
| prime meridian | 0 degrees longitude |
| equator | 0 degrees latitude |
| latitude | imaginary lines that run east-west on a map |
| longitude | imaginary lines that run north-south on a map |
| topographic map | a map that shows the surface features of an area |
| contour interval | the change in elevation from one contour line to another |
| contour line | a line that connects points of equal elevation on a topographic map |
| index contour | a darker contour line that is labeled with the elevation |
| depression | a contour line with small dashes, indicating a decrease in elevation |
| mountain range | a group of mountains that are closely related in shape, structure and age |
| mountain system | the different mountain ranges in a region |
| mountain belt | mountain ranges and mountain systems in a long, connected chain |
| coastal plain | a plain that lies along a seacoast |
| interior plain | a plain that lies away from the coast |
| compass rose | relates directions on a map to directions on Earth's surface |
| hilltop | a closed loop on a topographic map with no other contour lines inside it |