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Earth Science > Exogenic Processes > Flashcards

Exogenic Processes Flashcards

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1
Q

ARE PROCESSES THAT TAKE PLACE AT OR NEAR THE EARTH’S SURFACE THAT MAKES THE SURFACE WEAR AWAY. __________ARE VERY DESTRUCTIVE, THEY ARE RESPONSIBLE FOR DEGRADATION AND SCULPTING THE EARTH’S SURFACE.

A

EXOGENIC PROCESSES

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2
Q

TYPES OF EXOGENIC PROCESSES

A

(WEATHERING, EROSION, MASS WASTING AND SEDIMENTATION)

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3
Q

happens when rock is physically broken into smaller pieces.

A

physical weathering

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4
Q

FACTORS THAT AFFECT PHYSICAL WEATHERING

A

Ice wedging
Release of pressure
Growth of plants
Animals
Abrasion

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5
Q

H2O seeps in rock, expands, crack rocks into smaller pieces.

A

ice wedging

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6
Q

Surface rock erodes, rock flakes like onion layers.

A

release of pressure

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7
Q

Roots grow into cracks and push rocks apart.

A

growth of plants

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8
Q

Burrow and push apart rock.

A

animals

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9
Q

Sand and rock carried by wind, water, ice wears away surface rock when rocks collide. Most common in windy areas

A

abrasion

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10
Q

is the process of breaking down rock through chemical changes.

A

chemical weathering

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11
Q

FACTORS THAT AFFECT CHEMICAL WEATHERING

A

water
oxygen
carbon dioxide
living organisms
acid rain

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12
Q

dissolves rock chemically.

A

water

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13
Q

Rocks that has iron in it mixes with oxygen and rusts.

A

oxygen

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14
Q

CO2 dissolves in rainwater and weathers marble and limestone.

A

carbon dioxide

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15
Q

Acids from plants and roots chemically weather rock.

A

living organisms

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16
Q

Air pollution reacts with clouds and falls on rock as _____

A

Acid rain

17
Q

Agents of Erosion

A

water, wind, ice and gravity

18
Q

changes the shape of coastlines. Waves constantly crash against shores. They pound rocks into pebbles and reduce pebbles to sand. Water sometimes takes sand away from beaches. This moves the coastline farther inland.

A

erosion by water

19
Q

carries dust, sand, and volcanic ash from one place to another. _____can sometimes blow sand into towering dunes.

A

erosion by wind

20
Q

can erode the land. In frigid areas and on some mountaintops, glaciers move slowly downhill and across the land. As they move, they pick up everything in their path, from tiny grains of sand to huge boulders.

A

erosion by ice

21
Q

pulls any loose bits down the side of a hill or mountain. _____Erosion is better known as Mass Movement.

A

erosion by gravity

22
Q

When weathered rock remains in place and remains in its pure state.

A

rigolith

23
Q

When weathered material is removed from the site of weathering

A

sediment

24
Q

It is the main agent of erosion. PEOPLE ~> Nowadays, people became one of the causes of erosion.

A

moving water

25
Q

Weathered rock material will be removed from its original site and transported away by a natural agent.

A

WEATHERING AND EROSION

26
Q

It is a natural process in which a material is carried to the bottom of bodies of water and forms to solid.

A

sedimentation

27
Q

is the movement of rock, soil and regolith downward due to action of gravity

A

mass wasting

28
Q

is a type of mass wasting that results in the sliding of coherent rock materials along a curved surface.

A

slump

29
Q

is the slow downhill flow of soil.

A

solifluction

30
Q

is a downslope viscous flow of fine-grained materials that have been saturated with water and moves under the pull of gravity.

A

earthflow

31
Q

occurs when mud travels down a slope very quickly.

A

mudflow

32
Q

is a type of slide characterized by the chaotic movement of rocks, soil, and debris mixed with water and/or ice.

A

debris slide

33
Q

is a moving mass of loose mud, sand, soil, rock, water and air that travels down a slope under the influence of gravity.

A

debris flow

34
Q

occurs when pieces of rock break loose from a steep rock face or cliff.

A

rock flow

35
Q

is a slow, gradual movement of soil or regolith downhill over time.

A

soil creep

36
Q

rubble, trash, random material like large pieces of wood metal or plastic

A

debris

37
Q

river of flowing mid

A

slurry

38
Q

an incline like slide or ramp

A

slope

39
Q

land that is close to a coast or near water or sea levels

A

low lying area

Earth Science (12 decks)

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