| A | B |
| deposition | process by which eroded earth materials settle out in another place |
| sediments | eroded earth materials that have been deposited |
| channel | course or path the water takes in a river or stream |
| meander | curve or loop in a channel |
| slope | angle or slant of a stream channel or land surface |
| flood | very heavy flow of water |
| base | bottom of a mountain |
| contour lines | lines on a topographic map that connects points of equal elevation |
| contour interval | difference in elevation between contour lines |
| elevation | vertical distance or height above sea level |
| topographic map | uses contour lines to show the shape and elevation of the land's surface |
| profile | side view or cross-section of a landform such as a mountain |