Rivers

Question 1

What is a tributary

Answer 1

It’s a stream or river that joins a larger river

Question 2

What’s a source

Answer 2

A place the river begins

Question 3

Confluence

Answer 3

Point where a river joins a larger one

Question 4

What a flood plain

Answer 4

An area that gets covered with the water when the rover flood

Question 5

What’s a river basin

Answer 5

That land that water flowers across or under it way to a river

Question 6

What’s an estuary

Answer 6

It’s a part of a river mouth that is tidal

Question 7

What’s a delta

Answer 7

It’s a fan shaped area of land found at the mouth of a a river

Question 8

What a mouth(of a river)

Answer 8

Place where the river enters the sea

Question 9

What r the 3 stages of a river

Answer 9

Youthful stage,mature stage and old age stage

Question 10

What r the 3 courses of a river

Answer 10

Upper course, middle course and lower course

Question 11

3 processes of a river

Answer 11

Erosion transport and deposition

Question 12

4 process in river erosion

Answer 12

1hydraulic action
2abrasion
3solution
4attrition

Question 13

4 processes of river transportation

Answer 13

1traction
2saltation
3suspension
Solution

Question 14

What’s a v shaped valley

Answer 14

Its when river is in its youthful stage and it erodes vertically

Question 15

What’s the formation of a v shaped valley

Answer 15

1erodes downwards by hydraulic action
2as the river cuts down the steep sides are attacked by weathering and loosens up the soil
3when teh loosens material slowly creeps down the slope bcz of gravity
4 the end it worms into a V shape

Question 16

What r interlocking spurs

Answer 16

interlocking spurs r areas of high ground taht just out on either side of the river and appear to lock together

Question 17

What r waterfalls

Answer 17

Waterfalls occur where a river flows over a vertical slope

Question 18

Formation of a waterfall?

Answer 18

1.when the river flows over an area where hard rock is on top of and area of soft rock
2the river erodes the soft rock faster and this develops a particle drop
3.at the base of a waterfall develops a plunge pool due to the force of the falling water

Question 19

What’s a wide valley

Answer 19

A wide valley is in the nature stage of a ruce,erosion occurs laterally (sideways) this creates a wide river valley

Question 20

What’s alluvium

Answer 20

It is rich and fertile soil full of mineralls

Question 21

What r meanders

Answer 21

Meanders r formed by a combination of erosion and deposition in the nature and old age stage of a river

Question 22

What’s the formation of a meander

Answer 22

1 the water flows quickly on the outside of the river bend the river erodes the bend by a combination of hydraulic action and abrasion
2 water flows more slowly on the inside nend of the river materials is deposited on the inside bend as the river loses energy

Question 23

What r levees

Answer 23

A levee is a build up of alluvium on the banks of a river and is a feature of the old stage river

Question 24

What the cause of levees

Answer 24

Levees are caused by floods and r a feature of deposition

Question 25

What’s the formation of a levee

Answer 25

1.during the times of low flow in a river the load that is being carried is dropped onto the river bed
2.during times of blooms the water flows omit more easily over the top of the channel and onto the surrounding land
3the heavy coarse material is deposited on the river banks

Question 26

What r ox bow lakes

Answer 26

Ox bow lakes are horse shoes shaped lakes found on the flood plains of old rivers

Question 27

What r the achievements of the flood relief scheme

Answer 27

.provided protection again a one in a hundred years flood event
.developed warning systems for the people of mallow
.build flood defences

Question 28

What r economic and social benifits

Answer 28

Reduction in
.damage to Homez and buisness
. Stress and anxiety experienced by local people
Financial loss to local buisnesses