unit 7 review - vocab

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Weathering
kezdjen tanulni
breakdown of rock into smaller pieces
Erosion
kezdjen tanulni
removal and transport of material
Deposition
kezdjen tanulni
dropping of material, such as sediment
Mechanical Weathering
kezdjen tanulni
weathering through physical means such as abrasion or changes in temperature
Chemical Weathering
kezdjen tanulni
weathering through chemical reactions
“Agent of Change”: Wind
kezdjen tanulni
can move particles, which can abrade solid rock
“Agent of Change”: Water
kezdjen tanulni
can move particles, which can abrade solid rock, and when slightly acidic, can dissolve some rock
“Agent of Change”: Waves
kezdjen tanulni
can smash pebbles against each other and other rock
“Agent of Change”: Ice
kezdjen tanulni
can split rock through cycles of freezing and thawing or by moving glaciers
Stream Gradient
kezdjen tanulni
grade (or slope) measured by the ratio of drop in elevation and horizontal distance
Sediments
kezdjen tanulni
particles that settle after being eroded and deposited
Delta
kezdjen tanulni
deposited sediment that forms a triangular structure at the mouth of the river
Alluvial Fan
kezdjen tanulni
a triangular structure, similar to a delta, on land
Cave/cavern
kezdjen tanulni
is a feature that forms when water dissolves limestone, forming voids in the rock
Karst Region
kezdjen tanulni
area or region characterized by many caves and sinkholes
Frost Wedging
kezdjen tanulni
cycles of freezing and thawing water breaks rock because ice expands
Abrasion
kezdjen tanulni
process of scraping or wearing something away
Subsidence
kezdjen tanulni
downward movement of the lithosphere
Stalactite and Stalagmite
kezdjen tanulni
cave features that form due to dripping water
Glacier
kezdjen tanulni
large areas of ice on land
Moraine
kezdjen tanulni
landforms that result when a glacier deposits till (glacier sediment)
Kettle lakes
kezdjen tanulni
depressions left behind by glaciers when ice melts
Ground Water
kezdjen tanulni
water underground (about 30% of Earth’s fresh water)
Sinkholes
kezdjen tanulni
is a circular depression that forms at the land surface when the rock beneath collapses

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