| A | B |
| evaporation | Process where water changes from a liquid to a gas. |
| Specific Heat | The amount of heat necessary to raise one gram of a substance 1 degree C. |
| Permeability | The ability of soil or rock to allow liquids to move through it. |
| Transpiration | The process plants use to put water in the air. |
| Capillarity | The upward movement of water in the soil through very small pores. |
| Water Table | The top of the saturated pores in soil. |
| Duration | Time of an event. |
| Runoff | Water that flows over the surface of the ground |
| Porosity | Percentage of open space in soil or rock |
| Climate | The average weather conditions in an area over many years |
| Solar Radiation | Energy from sun that travels through space in electromagnetic waves |
| Monsoon | A complete reversal of winds that blow from a cold continent in the winter and blow from the cold ocean toward the continent in the summer |