| A | B |
|---|
| weathering | the process through which rocks are broken down |
| physical weathering | caused by temperature changes, roots growing, rocks colliding, etc. |
| chemical weathering | caused when chemicals break down rocks |
| erosion | the process through which weathered rock is moved from one place to another |
| mudslide | the movement of wet soil and rocks down a slope |
| landslide | the movement of large amounts of rock and soil down a slope |
| causes of erosion | wind, gravity, glaciers, running water, waves |
| glaciers | large masses of slowly moving ice |
| deposition | eroded material is dropped off in another place |
| meanders | gentle curves in slow moving rivers |
| sediment | small particle of rock and sand |
| flood | water overflows banks or beaches |
| flood plain | a place that is easily flooded when river water rises |
| barrier islands | large sandbars that protect the shore from large waves |
| levees | walls built to hold back water or prevent floods |
| sandbars | strips of sand built offshore by wave erosion |
| barricades | walls built in the water to prevent beach erosion |
