Chapter 8 - Weathering and Erosion - Tri 3 - Year 8 Flashcards by Klara Davidson

Q

Glacier

A

Large moving mass of ice.

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Q

Valley Glacier

A

Moving Mass of ice formed in the mountains

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Q

Continental Glacier

A

Moving mass of ice covering large land mass.

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Q

Grooves

A

deep depressions carved out by glaciers

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Q

weathering

A

break down of material

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Q

Erosion

A

Breaking down of material and moving it

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Q

Deposition

A

Dropped material from a glacier

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Q

deflation

A

Blowing away of loose sediment

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Q

Abrasion

A

Sand striking rock

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Q

Ventifacts

A

Rocks worn down by sediment

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Q

Loess

A

Fine sediment

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Q

Dunes

A

Mounds of sand

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Q

The 2 types of glacial erosion

A

Continental and valley glacier

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Q

how do we know if glaciers were in an area

A

Glacial grooves and polish

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Q

Till

A

bulldozed material

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Q

Outwash

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A

From meltwater

Q

The great lakes were formed during…

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A

The ice age

Q

The 4 agents of erosion

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A

Gravity, glaciers, wind, water

Q

Which agent moves the largest rocks

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A

Glaciers

Q

Which agent moves the most sediment?

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A

Water

Q

Movement of rock, soil, or snow down a slope

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A

Mass movement

Q

Creep

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A

Sediments slowly inch down hill

Q

Moraine

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A

mounds of till deposited directly from the glacier

Q

how do glaciers move?

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A

The bottom part melts from the pressure

Cirque

Bowl shaped

Arete

A ridge

Horn

A peak

U shaped valley

Eroded v-shaped valley

Hanging valley

waterfall from two different valleys at different elevations

Esker

A long ridge

Erratic

Random rock

Drumlin

hill of till parallel to glacial flow

Kettle lake

Depression from a glacier filled with water