ch 27 weathering and soiL

Question 1

weathering

Answer 1

is the process that evolves the physical or chemical breakdowns of earth chemicals

Question 2

soil

Answer 2

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

Question 3

erosion

Answer 3

is the removal of surface material through the process of weathering

Question 4

sediment transport

Answer 4

as rocks weather , erosion agents like water ice and wind and gravity

Question 5

deposition

Answer 5

it drops this sediment load of proboscis called deposit-an

Question 6

drainage basin

Answer 6

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

Question 7

long shore current

Answer 7

the movement of water apparel to the shore line as a longshore

Question 8

what is weathering

Answer 8

break down of materials on earths surface

Question 9

do rocks weather at the same rate

Answer 9

no they do not the location make the difference

Question 10

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

Answer 10

rock type and landscpe

Question 11

what are the two types of weathering

Answer 11

mechanical weathering and chemical weathering

Question 12

what type of change happens with mechanical weathering

Answer 12

phishical changes

Question 13

what type of change happens with chemical weathering ?

Answer 13

chemical changes

Question 14

what are the three specific types of mechanical weathering ?

Answer 14

frost wedging , biological , collisions

Question 15

what are the causes of frost wedging

Answer 15

water getting between the cracks in a rock and freezing , and they are called freeze thaw cycles

Question 16

what is the cycle called during frost wedging

Answer 16

the cecal is called freeze thaw

Question 17

what causes biological activity

Answer 17

when a plant roots itself and can cause the rock and segment to make it crack more such animals do to make the burrows

Question 18

what causes weathering during collisions

Answer 18

when rocks fall from cliffs and or tumble

Question 19

what is soil

Answer 19

is a mixture f rock , organic matter, water ,and air these are the things that make up soil

Question 20

what is a parent material

Answer 20

this is the material that soil forms from

Question 21

what are soil horizons

Answer 21

they are the different lays of soil

Question 22

how many soil horizons are there

Answer 22

there are 6 different horizons

Question 23

true or false. all soils contain every soil horizon

Answer 23

false

Question 24

what are the specific soil horizons

Answer 24

O ,A, E, B, C ,R horizons

Question 25

what dose the first soil horizon contain

Answer 25

it contains organic materiel

Question 26

what is the second horizon mostly made up of ?

Answer 26

mostly materials

Question 27

which layer does leaching occur ?

Answer 27

horizons e

Question 28

which horizon collects materials from precious horizons ?

Answer 28

horizons b

Question 29

which layer is partially weathered bedrock ?

Answer 29

horizon c

Question 30

which layer is weathered bedrock

Answer 30

horizon d

Question 31

which layer is unweathered bedrock

Answer 31

horizon r

Question 32

which soil horizons make up the topsoil

Answer 32

o and a horizon

Question 33

which soil horizons make up the subsoil

Answer 33

e and b make up the supsoil

Question 34

what is a cirque

Answer 34

bowl shaped basin

Question 35

arete

Answer 35

from where two ablative valley

Question 36

what is a horn

Answer 36

they are sharpend peaks

Question 37

what do tributetary glacers create

Answer 37

hanging valleys

Question 38

what are tributary glacers

Answer 38

they are small and large glacers

Question 39

what shape of valleys fo glacers create

Answer 39

u shaped valleys