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Earth Science > Unit Weathering-Glaciers > Flashcards

Unit Weathering-Glaciers Flashcards

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Biology 101 flashcards
1
Q

Weathering

A

Breaking down of rocks into smaller pieces

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2
Q

Oxidation

A

When oxygen reacts with another element

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3
Q

Parent material

A

Original rock that is the source of the soil

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4
Q

Residual soil

A

Soil that comes from the bedrock below it

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5
Q

Transported soil

A

Soil that formed in a different location and was later transported and deposited in a new location

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6
Q

Desert pavement

A

When fine sized sediment is deflated away, leaving the larger sediments behind

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7
Q

Glacial till

A

Glacial deposits

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8
Q

Moraines

A

Pile of till

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9
Q

Erratic

A

Boulder deposited from a glacier

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10
Q

Drumlin

A

Small tear drop shaped from a glacier

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11
Q

Headwaters

A

Source of water

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12
Q

Discharge

A

Total volume of water moving through a stream at a given point in a given amount of time

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13
Q

Tributaries

A

Streams that flow into other streams

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14
Q

Cut banks

A

Outside bend. Caused by waster moving water

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15
Q

Sandbar

A

Inside bend caused by slower moving water

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16
Q

Oxbow lake

A

When the lake meanders too much and is cut off by the new channel of water

17
Q

Flood plains

A

Flat area created by meandering stream that could flood

18
Q

Mouth

A

When a stream enters a large body of water

19
Q

Deltas

A

When the sand and silt is deposited due to the decrease in velocity

20
Q

Watershed/ drainage basin

A

Total area of land that drains into a river system

21
Q

Drainage divide

A

Border or hill that divides two or more watersheds

22
Q

Infliteration

A

When rain seeps down into the ground

23
Q

Porosity

A

Percentage of the pore space between sediments

24
Q

Permeability

A

How easy water can move through the ground

25
Q

Aquifer

A

Rock or sediment that is saturated and water can easily be pumper from

26
Q

Water table

A

Boundary between the saturated and unsaturated ground

27
Q

Spring

A

When groundwater hits impermeable layer and is forced sideways

Earth Science (4 decks)

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