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Watersheds & Land
Week 25 Science Study Guide
| Question | Answer |
|---|---|
| A watershed is | all the land that water flows over or through before reaching a lake, river, or ocean. |
| River erosion | caused the Grand Canyon to form. |
| A fan shaped mouth of a river that forms from deposition of sediments carried by the river as it empties into the ocean is called a | delta. |
| A canyon is | a narrow valley with steep walls created by a river weathering or eroding away soft rocks. |
| Watersheds are located between | higher elevations such as ridges, hills, and mountains. |
| Flood water pounding against a canyon wall and wearing it down is called | weathering. |
| Rain washing soil away from a hillside is called | erosion. |
| Deposition is | the process by which materials that have been eroded are dropped in a new place. |
| Humans can cause erosion through activities such as | cutting down trees, farming, and ranching. |
| Water getting int cracks, freezing, and breaking the rocks or pavement apart is | a form of weathering. |
| A tributary is | a stream that flows into a larger stream or other body of water. |
| Coastlines are | areas of land that wave erosion changes over time. |
| Water is the main cause of | erosion on earth. |
Created by:
rowlandm4
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