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science vocab #1
| Term | Definition |
|---|---|
| evaporation | The process of turning from liquid into vapor. |
| condensation | Water that collects as droplets on a cold surface when humid air is in contact with it. |
| precipitation | The action or process of precipitating a substance from a solution. |
| transportation | The action of transporting someone or something or the process of being transported. |
| runoff | The draining away of water |
| groundwater | Water held underground in the soil or in pores and crevices in rock. |
| source | A place, person, or thing from which something comes or can be obtained. |
| mouth | Where water flows into a bigger body of water |
| velocity | The speed of something in a given direction. |
| bed load | Describes particles in a flowing fluid |
| tributary | A river or stream flowing into a larger river or lake. |
| topography | The arrangement of the natural and artificial physical features of an area. |
| gradient | An inclined part of a road or railway |