Chapter 8 - Weathering and Erosion - Tri 3 - Year 8 Flashcards

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1
Q

Glacier

A

Large moving mass of ice.

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2
Q

Valley Glacier

A

Moving Mass of ice formed in the mountains

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3
Q

Continental Glacier

A

Moving mass of ice covering large land mass.

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4
Q

Grooves

A

deep depressions carved out by glaciers

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5
Q

weathering

A

break down of material

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6
Q

Erosion

A

Breaking down of material and moving it

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7
Q

Deposition

A

Dropped material from a glacier

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8
Q

deflation

A

Blowing away of loose sediment

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9
Q

Abrasion

A

Sand striking rock

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10
Q

Ventifacts

A

Rocks worn down by sediment

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11
Q

Loess

A

Fine sediment

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12
Q

Dunes

A

Mounds of sand

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13
Q

The 2 types of glacial erosion

A

Continental and valley glacier

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14
Q

how do we know if glaciers were in an area

A

Glacial grooves and polish

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15
Q

Till

A

bulldozed material

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16
Q

Outwash

A

From meltwater

17
Q

The great lakes were formed during…

A

The ice age

18
Q

The 4 agents of erosion

A

Gravity, glaciers, wind, water

19
Q

Which agent moves the largest rocks

A

Glaciers

20
Q

Which agent moves the most sediment?

A

Water

21
Q

Movement of rock, soil, or snow down a slope

A

Mass movement

22
Q

Creep

A

Sediments slowly inch down hill

23
Q

Moraine

A

mounds of till deposited directly from the glacier

24
Q

how do glaciers move?

A

The bottom part melts from the pressure

25
Q

Cirque

A

Bowl shaped

26
Q

Arete

A

A ridge

27
Q

Horn

A

A peak

28
Q

U shaped valley

A

Eroded v-shaped valley

29
Q

Hanging valley

A

waterfall from two different valleys at different elevations

30
Q

Esker

A

A long ridge

31
Q

Erratic

A

Random rock

32
Q

Drumlin

A

hill of till parallel to glacial flow

33
Q

Kettle lake

A

Depression from a glacier filled with water