| A | B |
|---|
| potential energy | Energy that is stored and available to be used later. |
| kinetic energy | The energy an object has due to its motion. |
| energy | The ability to do work or cause chamge. |
| friction | The force that opposes the motion of one surface as it moves across another. |
| turbulence | A type of movement of water in which, rather than moving downstream, the water moves every which way. |
| abrasion | The grinding away of rock by other rock particles carried in water, ice, or wind. |
| load | The amount of sediment that a river or stream carries. |
| slope | The amount a river drops toward sea level over a given distance. |
| glacier | A large mass of moving ice and snow on land. |
| valley glacier | A long, narrow glacier that forms when snow and ice build up in a mountain valley. |
| continental glacier | A glacier that covers much of a continent or large island. |
| till | The sediments deposited directly by a glacier. |
| moraine | A ridge formed by the till deposited at the edge of a glacier. |
| kettle | A small depression that forms when a chunk of ice is left in glacial till. |
| drumlin | A long mound of till that is smoothed in the direction of the glacier's flow. |
