Geology Flashcards

Remember Terms

1
Q

geologist

A

Someone who studies the earth and rocks

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2
Q

landforms

A

Natural features of the earth’s surface

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3
Q

Terrain

A

The physical features of land

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4
Q

Flood

A

Large amount of water flowing over land

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5
Q

Ecosystem

A

Community of organisms interacting with each other

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6
Q

Sediment

A

Dust, sand, and materials deposited by water, wind or ice

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7
Q

Deposition

A

Settling of sediments

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8
Q

Erosion

A

Carrying away of weathered earth materials

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9
Q

Bedrock

A

Rock that forms the earth’s crust

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10
Q

Physical weathering

A

Process where rocks are broken down by hitting each other

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11
Q

Basin

A

Low-lying area where water may accumulate

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12
Q

Abrasion

A

Breaking and hitting of rocks against each other

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13
Q

Rock Falls

A

Rocks breaking off from a cliff

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14
Q

Debris Flow

A

Landslides of rock, mud, and soil

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15
Q

Chemical weathering

A

Rocks that are weathered due to a chemical reactions in water and air

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16
Q

Soil

A

Loose top layer of the earths crust

17
Q

Differential Erosion

A

Different rates that materials are carried by water and ice

18
Q

Humus

A

Dead animal and plant parts in soils

19
Q

Cross Section

A

Water that has cut through layers of soil

20
Q

Horisons

A

Layers of soil

21
Q

Sedimentary rocks

A

Rock that form when layers of sediment get stuck together

22
Q

Calcite

A

Calcium Carbonate mineral that reacts to the acid test

23
Q

Delta

A

Fan-shaped deposit at the mouth of a river

24
Q

Wenworth scale

A

Classifies rocks according to their size