click below
click below
Normal Size Small Size show me how
Topic 9 Lessons 1&2
Weathering and Soil AND Erosion and Deposition
Question | Answer |
---|---|
erosion | The process by which wind, water, ice or gravity moves weathered particles of rock and soil. |
mechanical weathering | A type of weathering in which rock is physically broken into smaller pieces. |
chemical weathering | The process that breaks down rock through chemical changes. |
soil | The loose, weathered material on Earth's surface in which plants grow. |
sediment | Small, solid pieces of material that come from rocks or the remains of organisms; earth materials deposited by erosion. |
deposition | Process in which sediment is laid down in new locations. |
mass movement | One of the processes that move sediment downhill. Can be fast or slow. |
deflation | The process by which wind removes surface materials. |
sand dune | A deposit of windblown sand. |