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9.20: Erosion by Glaciers

Difficulty Level: Basic Created by: CK-12
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Vocabulary

TermDefinition
abrasion Process in which a glacier scrapes underlying rock.
arête Sharp ridge created by cirques on two sides.
cirque Bowl near the top of a mountain where a valley glacier begins.
glacial striations Long, parallel scratches carved into underlying bedrock by moving glaciers.
hanging valley Cliff where a large glacier cut off the U-shaped valley of a tributary glacier.
horn Pointy peak created by cirques on three or more sides.
plucking Removal of blocks of underlying bedrock as meltwater seeps into cracks and freezes.

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Description
Difficulty Level:
Basic
Grades:
6 , 7
Date Created:
Jan 04, 2013
Last Modified:
Aug 29, 2016
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SCI.ESC.434.1.L.1