Unit 3 Definitions Flashcards
1
Q
Weathering
A
The breaking down of material through contact with air or water.
2
Q
Erosion
A
Natural materials being gradually removed by waves or rain.
3
Q
Freeze Thaw Weathering
A
Ice forming in the cracks of rocks, causing it to break up.
4
Q
Dilatation
A
The variable weight of glacial ice on top of bedrock causing it to open up, expand, and extend.
5
Q
Plucking
A
Meltwater in the glacier freezes onto rocks and, as ice moves forward, it takes out large pieces of rock.