| A | B |
| Evaporation | water that enters the atmosphere |
| capillarity | ability of water to rise in small areas |
| permeable | allows water to flow through |
| zone of saturation | portion of soil filled with water |
| porosity | amount of space between particles |
| impermeable | does not allow water to flow through |
| weathering | to break down |
| transpiration | water that enters the atmosphere from plants |
| hydrology | the study of water |
| infiltration | to seep through due to gravity |
| zone of aeration | portion of soil filled with air |
| water table | interface between the zone of aeration and zone of saturation |