| A | B |
| CONDENSATION | molecules of water vapor come together to form liquid water |
| EVAPORATION | water molecules in liquid water escape into the air as water vapor |
| PRECIPITATION | any form of water that falls from clouds |
| RUNOFF | water that does not sink in but runs along Earth's surface. Includes streams, brooks and rivers. |
| TRANSPIRATION | the loss of water from plant leaves released during photosynthesis |
| INFILTRATION | he amount of mattwater that seeps into the soil to eventually join ground waterer in an object. |
| CONDUCTION | direct transfer of thermal (heat) energy from one substance touching another |
| CONVECTION | transfer of thermal (heat) energy by the movement of a fluid Gasses are considered fluids |
| DROUGHT | When an area of land does not receive enough rain to meet its needs over a long period of time. |
| FLASH FLOOD | A sudden, violent flood that occurs within hours or minutes of a storm. Usually involves very dangerous, fast moving water. |