A mound of wind-deposited sand that keeps its shape even though it moves.
What is a dune?
100
An area of the shoreline made up of material deposited by waves.
What is a beach?
100
A large mass of moving ice.
What is a glacier?
100
A group of loose rocks that fall down a steep slope.
What is a rock fall?
100
The name for a large pile of sand that was deposited by wind.
What is a dune?
200
The grinding and wearing away of rock surfaces through the mechanical action of other rock or sand particles.
What is abrasion?
200
The boundary between land and a body of water.
What is a shoreline?
200
The technical term for when a glacier melts or shrinks.
What is retreating?
200
The sudden movement of rock and soil down a slope.
What is a landslide?
200
The name for an off-shore pile of submerged sand that was deposited by waves.
What is a sandbar?
300
The movement of sand or other sediments by short jumps and bounces that is caused by wind or water.
What is saltation?
300
Sea stacks, sea arches, and headlands are all example of this.
What is wave erosion?
300
The rock material carried and deposited by glaciers.
What is glacial drift?
300
The flow of a mass of mud or rock and soil mixed with large amounts of water.
What is a mudflow?
300
The name for a landscape from which all the small rocks and sediment have been blown away by deflation, leaving just larger rocks to heavy for the wind.
What is desert pavement?
400
A form of wind erosion in which fine, dry soil particles are blown away.
What is deflation?
400
Barrier spits and beaches are examples of this.
What is wave deposition?
400
A glacial deposit that has been sorted and layered by the action of streams or meltwater.
What is stratified drift?
400
The slow downhill movement of weathered rock material.
What is creep?
400
The name for a mudflow of volcanic origin.
What is a lahar?
500
Very fine sediments deposited by the wind.
What is loess?
500
Sand on a beach moves in this type of pattern.
What is a zig-zag?
500
Unsorted rock material that is deposited directly by a melting glacier.
What is till?
500
A movement of a section of land down a slope.
What is mass movement?
500
The name for a bowl-shaped depression where glacial ice cut back into the mountain walls.