| A | B |
|---|
| condensation | process by which water vapor changes back into liquid (when cooled) |
| evaporation | process by which water changes into water vapor, liquid turns into a gas (when heated) |
| groundwater | water that soaks into the groun and remains in the ground |
| hard water | water that contains large amounts of dissolved minerals |
| impermeable | term used to describe material through which water cannot move quickly-opposite of permeable |
| permeable | term used to describe material through which water can move quickly |
| pore space | space between particles of soil |
| precipitation | process by which water returns to the Earth in the form of rain, snow, sleet, or hail |
| reservoir | artifical lake used as a source of fresh wateror drinking water |
| soft water | water that does not contain minerals |
| surface runoff | when precipitation hits land and water runs alond the ground and then enters a river or stream |
| water cycle | continuous movement of water from the oceans and freshwater sources to the air and land and finally back to the oceans; also calledthe hydrologic cycle |
| water table | water level at the top of groundwater. The water table rises and falss depending on the rainfall of an area |
| watershed | land area in which surface runoff drains into a river or a system of rivers and streams |
| infiltration | the process of water soaking into the ground, through the soil and underlying rock layers. |
| transportation | a process of evaportation through plant leaves |
