| A | B |
|---|
| symbols | small pictures that show special meanings |
| elevation | height above sea level |
| relief | difference in elevation between the highest and lowest parts of a place |
| slope | upward or downward slant, like the mountain side |
| contour interval | change in height (elevation) from one contour line to the next |
| contour line | a line on a topographic map that connects points of equal height |
| index contour line | a heavier contour line with a number |
| depression | a lower place; a circle with dashes inside shows a lower place |
| hilltop | top of a high place; a circle with no other contour lines shows a hilltop |
| v-shaped contours | If pointing downhill, it's a mountain ridge line. If pointing uphill, it's a valley. |
| topographic map | map that shows the shape of the land |
