chapter 27

Question 1

process that involves the physical or chemical breakdown of materials on earths surface

Answer 1

weathering

Question 2

mixture of weathered rock, organic matter, water, and air that is capable of supporting plant life

Answer 2

soil

Question 3

removal of surface material through the process of weathering

Answer 3

erosion

Question 4

land area that gathers water for a major river is called rivers

Answer 4

drainage basin

Question 5

movemoent of water parallel to the shoreline

Answer 5

longshore current

Question 6

rocks weather ersional agents like water, ice, wind, and gravity move eroded from one material from one place to another in a process

Answer 6

sediment transport

Question 7

the erosinal agent slows down it drops this sediment load in a process

Answer 7

depostion

Question 8

weathering definition?

Answer 8

the process the involves the physical or chemical breakdown of materials on earth’s surface

Question 9

do rocks weather at the same rate?

Answer 9

no

Question 10

what are the two main factors that determine how fast a rock will weather?

Answer 10

rock type

landscape

Question 11

what are the two types of weathering?

Answer 11

mechanical or chemical

Question 12

what type of change happens with mechanical weathering?

Answer 12

physical changes

Question 13

what type of change happens with chemical weathering?

Answer 13

chemical changes

Question 14

what are the 3 specific types of mechanical weathering?

Answer 14

frost wedging
biological activity
collisions

Question 15

what causes frost wedging?

Answer 15

when water collects in the cracks of rocks and freezes

Question 16

what causes biological activity?

Answer 16

plants and animals

Question 17

what causes weathering during collisions?

Answer 17

when rocks fall from a cliff or trumble through trubulent rivers

Question 18

what are the 2 types of chemical weathering caused by?

Answer 18

oxygen and water

Question 19

what is the chemical process called that is caused by oxygen?

Answer 19

oxidation

Question 20

what is chemical process called that is caused by water?

Answer 20

hydrolysis

Question 21

soil definition?

Answer 21

a mixture of weathered rock, organic matter and air that is capable of supporting life

Question 22

what is parent material?

Answer 22

the material from which soil

Question 23

what are soil horizons?

Answer 23

different layers of soil

Question 24

how many soil horizons are there?

Answer 24

6

Question 25

true or false? all soils contain horizons.

Answer 25

false

Question 26

what are the specific soil horizons?

Answer 26

O,A,E,B,C,R

Question 27

what does the first soil horizon contain?

Answer 27

organic materail

Answer 28

minerals

Answer 29

horizon E

Answer 30

horizon B

Answer 31

horizon C

Answer 32

horizon R