| A | B |
|---|
| landform | physical feature on the earth |
| canyon | deep, steep valley formed by water |
| delta | triangle shaped land at mouth of the river |
| deposition | dropping of eroded sediments |
| erosion | movement of sediments |
| flood plain | flat land beside a river |
| meander | curve in the river |
| terminal moraine | land in front of a glacier |
| tributary | a river going into another river |
| weathering | breaking down rocks |
| mass movement | downhill movement caused by gravity |
| sediment | small particles of rock, sand, etc. |
| glacier | moving mass of snow and ice |
| oxbow lake | C-shaped lake formed by a meander cut off |
| agents of change | water, ice, wind, volcanoes, earthquakes |
| silt | sediment carried in water |
| creep | very slow downward movement of soil |
| valley | low land between mountains |
