Earth Science Ch 8 Mass Movements

________ determines the extent of mass movement.

A valley glacier’s rate of movement is primarily controlled by the ____.

During the last ice age, glaciers covered about 30% of the Earth. The last ice age began roughly ______________.

 This specific type of glacier carves U-shaped valleys.

Why is wind erosion most likely to occur in deserts, semiarid areas, sea shores, and some lakeshores?

Sand dunes can migrate, or move, slowly over time due to what process?

Parallel scratches found in bedrock are made from which erosional agent?

______ is the lowering of land surface from wind erosion of loose surface particles, often leaving coarse sediment.

The area at the leading edge of a glacier where meltwater flows and deposits outwash from the melting glacier is called?

______ is an elongated landform that results when a glacier moves over an older moraine.

Sediment that is deposited by the wind will be what size?

___________ is the unsorted rock, gravel, sand, and clay that glaciers carry embedded in their ice on all sides.

You are walking in a field, and you come across a crescent-shaped land formation, what made this happen?

What are landslides that occur in mountain areas with thick accumulations of snow called?

______ is the slow, steady downhill movement of loose weathered Earth materials, which causes objects on a slope to tilt

Which of the following are not related to erosion by wind?

One way to best determine if creep has occurred is??

  Continental glaciers form from ________.

______ is the thick, windblown, fertile deposits of silt that contain high levels of nutrients and minerals.

______ is the process of erosion in which wind particles scrape against rock surfaces and other materials and wear

Sand is often made of what material, which can lead to the wear on rocks through wind erosion?

_______ is a deep depression scooped out by a valley glacier.

Which is NOT a trigger of mass movement?

Which of the following are not features of glacial movement?

Which of the following is true of striations?

_____ is a ridge or layer of mixed debris deposited by a melting glacier.

Both valley glaciers and continental glaciers move __________ when snow gathers at the _______________.

A mountain that has experiences three glaciers on each side, and now resembles a pyramid is called a

What is the process of a glacier breaking off a rock particle as it migrates?

______ is a long, winding ridge of layered sediments deposited by streams that flow beneath a melting glacier.

The force that works to pull materials downslope is called

What factors lead to the 1930’s disaster known as the Dust Bowl?

______ is a rock shaped by windblown sediments.

What is the BEST way to reduce the number of disasters related to mass movements?

Glaciers cover about _____ of Earth’s surface.

What region of the Earth do we see glacial formations occur?

How does precipitation affect wind erosion?

______ are a type of flow that occurs in volcanic regions, when the heat from the volcano melts snow and ice.

Why are glaciers the most powerful erosional agent?

This test is over chapter

_______ is the rapid, downslope movement of loose soil, rock, or debris that has been separated from the bedrock below.

_______is the rapid flowing mixture of mud and water that may be triggered by an earthquake or intense rainstorm.

A pile of windblown sand that has accumulated where an object blocks the forward movement of the particles is ______?

What acts as a lubricant to reduce friction between soil grains?

______ is when the mass of material in a landslide moves along a curved surface, leaving a crescent-shape scar on slopes