River tee revision

Question 1

Hydraulic action

Answer 1

Force of the rivers against the banks

Question 2

Abrasion

Answer 2

Rocks carried along by the river wear down the river bed

Question 3

Attrition

Answer 3

Rocks being transported by the river , smash into each other creating small smooth pebbles

Question 4

Solution

Answer 4

Soluble particles and minerals are dissolved into the river

Question 5

Traction

Answer 5

Large boulders and rocks are roller along the river bed

Question 6

Saltation

Answer 6

Small pebbles bounced along the river bed

Question 7

Suspension

Answer 7

Minerals are dissolved in the water

Question 8

Solution

Answer 8

Fine light material carried along

Question 9

thalweg

Answer 9

line of fastest flow

Question 10

ox bow lake

Answer 10

a round river where it creates a small island

Question 11

delta

Answer 11

area of land made out of sand and silk built out into the sea

Question 12

man made and natural

reasons why it floods

Answer 12

natural- heavy rain,snow,steep slopes

manmade- deforestation, channelisation, urbanisation(builidings)

Question 13

how to stop floods

Answer 13

plant trees, flood warnings, flood plain zoning

Question 14

what is a plunge pool

Answer 14

a deep hoe of water created by erosion of the water fall