| A | B |
| weathering | break down of rock into smaller and smaller pieces |
| chemical weathering | changes rock's chemical makeup |
| agents of erosion | rocks, mountains, and dams |
| dust bowl | something that happened in 1930 |
| moraines | deposits in a landform, lateral or terminal moraine |
| "ice age" | An age in time where a large portion of the earth was covered in ice |
| mechanical weathering | changes the rocks physical appearance |
| acid rain | Chemicals mix with the water vaper and it falls back to earth |
| sediment | matter that settles to the bottom of a liquid and is carried by water or wind |
| loess | type of earth or sediment that is like clay |
| "U" shaped valleys | shped by water erosion |
| continental glaciers/ice sheets | glaciers or icesheets that are large enough to cover continents |
| frost wedging | frost wedging is |
| erosion | the movement of weathered materials |
| delta | water carries sediment and it gets stuck at the mouth of the river |
| glaciers | huge, slowly moving sheets of ice |
| "V" shaped valleys | shaped by glaciers |
| valley/alpine glaciers | stream of ice flowing down a mountain valley |