| A | B |
|---|
| topography | shape of the land |
| relief | difference between the highest and lowest parts of an area |
| elevation | height above the sea level of a point on Earth's surface |
| landforms | feature of topography, like a hill, valley, or moraine |
| plains | landform made up of nearly flat or gently rolling land with little or no relief |
| mountains | landform with high elevation and high relief |
| plateaus | a landform with high elevation and a level surface |
| GPS | allows a user to locate a position on Earth; uses a satellite |
| topographic map | a map showing the surface features of an area |
| contour line | connects points of equal elevation |
| contour interval | change in elevation to contour line to contour line |
