| A | B |
|---|
| erosion | process where weathered particles are picked up amd moved from one place to another |
| deposition | process where sediment is placed in a new location |
| mass weathering | downhill movements of masses of rock and soil example: landslide |
| drainage basin | area of land where water drains into a stream system - water usually drains into a lake or ocean |
| divide | mountain ridge from which water drains to one side or the other |
| floodplain | area of land on either side of a stream that is underwater when the stream floods |
| alluvial fan | fan-shaped deposit of sediment at the base of a mountain |
| delta | area of land formed by the buildup of seiment at the end or mouth of a river ex. Nile River, Mississippi River |
| sinkhole | basin that forms when the roof of a cave becomes so thin tat it suddenly falls in |
| longshore drift | zigzag movement of sand along a beach |
| longshore current | movement of water along a shore as waves strike the shore at an angle |
| sandbar | ridge of sand built up by the action of waves and currents |
| barrier island | long narrow island that develops parallel to a coast |
| dune | mound of sand built up by wind |
| loess | deposits of very fine wind-blown sediment |
| glacier | large mass of ice that moves over land |
| till | sediment on the ground surface left by a retreating glacier |
| moraine | deposit of till left behind by a retreating glacier |
| kettle lake | bowl-shaped depression that was formed by a block of ice from a glacier and then became filled with water |
| lateral moraine | ridges of till at the sides of a glacier |
| ground moraine | blanket of till deposited along a glacier bottom |
| continental glaciers | another word for ice sheet |
| alpine glaciers | also called valley glaciers; form in mountains and flow down through valleys |
