Vocabulary:
- Deposition – process by which weathered and eroded material is deposited by wind, water, or ice
- Erosion – the process where earth materials are broken down and moved from one area to another
- Weathering – the action of physical conditions on Earth that cause earth materials to change in color, texture, composition, or form; process which breaks down rocks into smaller pieces
SLOW CHANGES TO THE EARTH’S SURFACE
- Caused by
- Weathering – process by which exposed rock and other surfaces are broken down; may be caused by elements of weather (wind, water, ice) or other mechanisms
- Changes may include:
- Breakup of rock material
- Changes may include:
- Erosion – process by which weathered material is moved by wind, water, or ice
- The creation of floodplains, deltas, sandbars, U-shaped valleys, or beaches
- Deposition – process by which weathered and eroded material is deposited by wind, water, or ice
- The creation of sand dunes, floodplains, deltas, sandbars, or beaches
- Water causes the creation of:
- Boulders breaking down into river rocks
- Barrier islands
- Beaches
- Gorges
- Rock arches
- Deltas
- Canyons
- Wind causes the creation of:
- Rock arches
- Sand dunes
- Canyons
- Ice causes the creation of:
- Fjords
- Moraines
- U-shaped valleys
- Weathering – process by which exposed rock and other surfaces are broken down; may be caused by elements of weather (wind, water, ice) or other mechanisms