Physical feature on the surface of the Earth.
The process of breaking rock into soil, sand, and other tiny pieces.
The process of moving sediment from one place to another.
The process of dropping sediment in a new location.
Solid fragments of material that come from the weathering of rock and are carried and deposited by wind, water, or ice.
Large mound of sand created by wind erosion.
A thick sheet of ice formed in areas where more snow falls during the winter than melts in the summer.
The downhill movement of rock and soil because of gravity.
A very slow downhill movement of soil caused by gravity.
A large hole in the ground that opens suddenly.
Long ridge of soil and rock left behind when a glacier melted.
A usually triangular mass of sediment, especially silt and sand, deposited at the mouth of a river.