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Grade 8 > Science Unit 5 - Water > Flashcards

Science Unit 5 - Water Flashcards

1
Q

What is the water cycle? (From Evaporation)

A

Evaporation -> Condensation -> Precipitation -> Runoff -> Colection

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2
Q

Glacier meaning

A

Moving mass of ice and snow

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3
Q

Ice cap meaning

A

Glacier that forms in a level land that flows out from it’s centre

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4
Q

Icefield meaning

A

Upland area of ice that feeds two or more glaciers

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5
Q

Valley glacier vs Continental Glaciers

A

Valley Glaciers: Form in a valley

Continental Glaciers: Cover mountain ranges (Bigger)

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6
Q

Icefall meaning

A

Glacier flowing over a steep cliff and breaks up

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7
Q

Crevasse meaning

A

A fissure or crack in the ice

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8
Q

Pack ice meaning

A

A sheet of ice that is formed from freezing sea water

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9
Q

Iceberg meaning

A

Large chunks of ice that break loose or calve from continental glaciers

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10
Q

Cirques meaning

A

Bowl-shaped basin

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11
Q

Horn meaning

A

A sharpened peak

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12
Q

Arete meaning

A

A crest between two or more horns

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13
Q

Moraine meaning

A

A large ridge of material left by a glacier

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14
Q

Esker meaning

A

River within the ice formed by meltwater

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15
Q

What do greenhouse gases do

A

Greenhouse gases trap heat in the atmosphere

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16
Q

What is a watershed

A

An area of land that all drains into one body of water

17
Q

What is the continental divide

A

A mountain range dividing NA into two main drainage areas

18
Q

What is a headwater

A

The beginning of a river

19
Q

What is a outflow

A

The end of a river

20
Q

What is deposition

A

Dropped off material on banks and shores

21
Q

What is an aquifer

A

An underground system of water that flows through porous rock

22
Q

What is a water table

A

The upper level where the rocks are permanently saturated (full) with water

23
Q

What is an ocean ridge

A

long undersea mountain chains

24
Q

What are trenches

A

edge of an ocean plate pushes against the edge of a continental plate

25
Q

Spring Tides vs Neap tides

A

Spring tides are bigger

Grade 8 (3 decks)

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