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Slow Processes
Weathering and Erosion
| Term | Definition |
|---|---|
| the process by which rock is broken down into smaller pieces | weathering |
| this can cause rocks to fall down a hill | gravity |
| acid rain causes this | chemical weathering |
| the dropping of weathered rock by wind or moving water | deposition |
| very small pieces of rock;examples include sand and silt | sediment |
| this carries sediment from place to place | wind and moving water |
| removal of soil and rock from the Earth's surface | erosion |
| formed by the moving water of the Colorado River | Grand Canyon |