| A | B |
|---|
| The area containing all the streams and watercourses of one river. | Basin |
| Where material is put down. | Deposition. |
| The wearing away and removal of material. | Erosion. |
| Where trees and plants take water out of the soil and pass it into the air, combined with the effects of evaportation from leaves and the ground itself. | Evapotranspiration. |
| Area flooded when a river bursts its banks. | Flood Plain |
| Bends in a River Channel. | Meanders. |
| Water moving on the surface towards a river. | Overland Flow. |
| When the ground is so full of water it cannot take in any more. | Saturation. |
| A line along the top of a range of hills which mark out the boundary of one basin, separating if from the next basin. | Watershed. |
