| A | B |
| parent material | the original rock from which other rocks form |
| soil conservation | using soil in ways to preserve and protect it |
| erosion | transportation of rock, soil, and mineral particles from one location to another by the action of water, wind, or ice |
| gravity | the power behind all of the agents of erosion |
| transported sediment | erosional product moved from the source of weathering to a different location (ex: sand moved due to erosion) |
| residual sediment | the material that remains at the site of weathering |
| transporting agent | actions that affect erosion and move sediments from one place to another |
| abrasion | a scraped or worn area |
| running water | the predominant agent of erosion on Earth (streams) |
| stream channel | A long, narrow, sloping troughlike depression where a natural stream flows or may flow |
| discharge | the volume of water in the stream at any given location during a specific amount of time |
| meandering stream | a curving stream caused by erosion and deposition (the fastest water is on the outside of the curves) |
| deposition | settling out of sediments and minerals in an erosional system |
| dynamic equilibrium | a balance between two opposing processes going on at the same rate in a system |
| solution | dissolved materials carried in water |
| suspension | particles transported in all levels of water in a stream, held up by the motion of the stream |
| fetch | expanse of open water over which the wind blows |