Weathering
Erosion
Glaciers
Rivers and Streams
Grab Bag
100
Chemical and mechanical
What are the 2 types of weathering
100
inside bank of a stream, where sediments collect
What is the deposition bank?
100
Forms in mountainous regions at high latitudes
What is a valley or alpine glacier?
100
Curves or bends in a river or stream.
What is a meander?
100
Flowing ice picking up loose rocks.
What is glacial plucking?
200
frost cracking
What is the process in which water breaks large boulders?
200
evidence left on bedrock from glaciation
What is glacial abrasion?
200
An ice sheet which covers large land masses.
What is a continental glacier?
200
The outside bank of a water channel (stream), which is continually undergoing erosion.
What is cut bank?
200
Salish for place of frozen water.
What is the Native word for Missoula?
300
the process in which rocks and minerals are changed into smaller pieces on location
What is the definition of weathering?
300
mass wasting
What is the name for large amounts of soil or rock moving downhill due to gravity?
300
compressed snow with a net yearly gain
what is the formation of glaciers?
300
causes a cutbank
What is the portion of stream in which the fastest water is moving and eroding the bank?
300
the Clarks' fork of the Columbia was named for this explorer
Who is William Rogers Clark?
400
how lichen root hairs turn rock to soil.
What is chemical breakdown with acid
400
when rocks or soil are moved to a new location from their original place of weathering.
What is the definition of erosion
400
the process in which rocks within an ice sheet scrape against bedrock and cause erosion.
What is abrasion?
400
The result of erosion and deposition as a stream ages.
What is an oxbow lake?
400
when the Milltown dam was first built, it did this
What is electrical power for all of western Montana?
500
the process in which statues and buildings made of rock are altered by precipitation
What is acid rain ?
500
name one of the evidences left behind in Montana of Glacial Lake Missoula
What are ripple marks?
500
Increased melting rates and velocity changes
What is the effect of global warming rates on glaciers?
500
Fan-shaped, low-lying plain that occurs at the mouth of a river due to deposition of sediments.
What is a delta?
500
the name of the ion, which when mixed with oxygen increases toxicity
What is Arsenic ion 3+?