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

unit 7 review - vocab

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