Earths Materials And Processes

Question 1

The process of breaking down rocks present at Earth’s surface

Answer 1

Weathering

Question 2

Weathering can happen in the presence of the action kf

Answer 2

Rainwater
Variable extreme temperature
Different biological activities

Question 3

2 types of weathering

Answer 3

Mechanical weathering
Chemical weathering

Question 4

Process where in rocks are broken down into smaller pieces without changing chemical composition

Answer 4

Mechanical weathering

Question 5

4 types of mechanical weathering

Answer 5

Frost wedging
Salt crystal growth
Biological activity
Unloading

Question 6

Process where seawater penetrates crevices in rocks

Answer 6

Salt crystal growth

Question 7

Action of organisms reduces the size of rocks and minerals

Answer 7

Biological activity

Question 8

Happens through erosion of uplift of layers of sediments are removed

Answer 8

Unloading

Question 9

A process where rocks changed into other substances and chemical/physical composition

Answer 9

Chemical weathering

Question 10

3 types of chemical weathering

Answer 10

Dissolution
Hydrolysis
Oxidation

Question 11

A process where a solid dissolves in a liquid

Answer 11

Dissolution

Question 12

A process where water reacts with a mineral to form new mineral

Answer 12

Hydrolysis

Question 13

Chemical combination of oxygen with a mineral forms a entirely different mineral

Answer 13

Oxidation

Question 14

3 factors that affect rock weathering

Answer 14

Climate
Higher elevation of an area
Large surface area

Question 15

Includes amount of moisture in the air and temperature where weathering takes place

Answer 15

Climate

Question 16

More susceptible to weathering since more exposed to environment factor

Answer 16

Higher the elevation of an area

Question 17

Larger total surface area more susceptible to weathering

Answer 17

Large surface area

Question 18

The transportation of weathered rocks

Answer 18

Erosion

Question 19

3 types of erosion

Answer 19

Water erosion
Glacial erosion
Wind erosion

Question 20

Erosion Where water carriers sediments to dif bodies of water

Answer 20

Water erosion

Question 21

Light materials are carried by the wind

Answer 21

Wind erosion

Question 22

Glacier move downhill due to its weight

Answer 22

Glacial erosion

Question 23

4 factors affecting erosion

Answer 23

Soil erodibility
Texture of the soil
Overgrazing
Cutting of trees and removal of vegetation

Question 24

Vulnerability of soil to erosion

Answer 24

Soil erodibility

Question 25

Most significant factor to erodibility (structure organic matter permeability)

Answer 25

Texture of the soil

Question 26

Animals may remove vegetation leaves soil vulnerable to erosion

Answer 26

Overgrazing

Question 27

A downslope movement of rock under influence of gravity

Also known as landslide

Answer 27

Mass wasting

Question 28

3 parts of mass wasting

Answer 28

Regolith
Debris slide
Bedrock

Question 29

3 types of movement in mass wasting

Answer 29

Flow
Slide
Fall

Question 30

Loose unconsolidated particles act as a fluid

Answer 30

Flow

Question 31

6 types of flow

Answer 31

Creep
Debris
Mudflow
Earthflow
Solifluction
Slump

Question 32

Slow movement
Dry rocks

Answer 32

Creep

Question 33

Mixture of soil,sand,clay and rocks
Dry rock

Answer 33

Debris

Question 34

Has the consistency of wet concrete

Answer 34

Mudflow

Question 35

Has less water than mudflow
Wet roxks

Answer 35

Earthflow

Question 36

Water saturated soil

Answer 36

Solifluction

Question 37

Curved landscape/fracture in rock or regolith

Answer 37

Slump

Question 38

Faster than flow

Answer 38

Slide