Wind
Ice
Gravity
Pot Pourri
100
mounds of wind deposited sand
What are dunes?
100
a large mass of ice that exists year round and moves over land
What is a glacier?
100
the slow downhill movement of weathered rock material
What is creep?
100
Glaciers once covered what is now Nebraska; true or false
What is true?
200
thick deposits of windblown, fine-grained sediment
What is loess?
200
rock material carried and deposited by glaciers
What is glacial drift?
200
a rapid movement of a large mass of mud
What is mud flow?
200
The sand dunes in Great Sand Dunes National park and Preserve in Colorado were formed by this agent.
What is wind?
300
Wind forms dunes through ___________
What is deposition?
300
A place in North America where you could expect to find glaciers.
What is Alaska or Canada?
300
The sudden movement of rock and soil down a slope
What is a landslide
300
Kettle lakes are formed by this agent.
What is ice (glaciers)?
400
The grinding away and wearing down of rock surfaces by other rock or sand particles _________________.
What is abrasion?
400
a landform made by an alpine glacier
What are aretes, cirques, horns, or u-shaped valleys?
400
loose rock falling down a steep slope
What is rockfall?
400
Desert pavement is formed by this agent.
What is wind?
500
Deflation leaves behind rock fragments too heavy to be lifted by wind. This is called ___________
What is desert pavement.
500
a landform made by a continental glacier
What are erratics or kettle lakes?
500
2 events that can trigger a mass movement
What are (any two) heavy rain, earthquakes, volcanoes, deforestation, or construction on unstable slopes
500
It is important for glacial drift (sediment) to build up around a kettle lake to _______________________
What is keep the melted water contained?
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