____ is the slow, steady, downhill flow of loose, weathered Earth materials, especially soil.

______ are swiftly moving mixtures of mud and water.

A rapid down flow of Earth materials that occurs when a relatively thin block of soil, rock and debris separates from the underlying bedrock.

A ______ occurs when the mass of material in a landslide moves along a curved surface and leaves an indention in the land scape.

_______ are landslides that occurs in mountainous areas with thick accumulation of snow

The lowering of the land surface that results from the wind's removal of surface particles.

______ is erosion that occurs when particles such as sand rub against the surface of rocks or other materials.

Rocks that have been shaped by windblown sediments are called _________.

Piles of windblown sand that usually form in deserts are called _____.

____ is thick, wind blown silt deposits and form the most fertile soils because they contain abundant minerals and nutrients.

_____ is a large mass of moving ice.

Glaciers that form in valleys in high, mountainous ares are called _______ glaciers

Glaciers that cover broad, continent sized areas are called ______ glaciers.

Deep bowl shaped depressions that are scooped out by glaciers are called _____ .

Glaciers deposit unsorted ridges of till called _____ when the glacier melts.

Glaciers deposit unsorted ridges of till called _____ when the glacier melts.

Continental glaciers that move over older moraines form a material into elongated land forms called ______.

Streams flowing under melting glaciers leave long winding ridges of layered sediment called ______.

A _____ is a mound of layered sediment that forms when till gets washed into depressions or openings int the melting ice.