River & The Landscape Chap 4

Question 1

Abrasion

Answer 1

The erodes pieces of rock - the load - erodes the river bed & bank

Question 2

The route a river takes

Answer 2

Course

Question 3

Mature river:

Answer 3

Wider valley troughs

Meanders

Question 4

A small river that joins a larger one

Answer 4

Tributary

Question 6

The place a river enters the sea

Answer 6

Mouth

Question 7

Where a river mouth is tidal

Answer 7

Estuary

Question 8

Mouth

Answer 8

The place a river enters the sea

Question 10

The area which is drained by a river and its tributaries

Answer 10

River basin

Question 11

Solution

Answer 11

River water dissolves rock particles like limestone

Question 12

Tributary

Answer 12

A small river that joins a larger one

Question 13

The rate of erosion depends on:

Answer 13

The size of the river
The speed of the river
The hardness of the rock

Question 14

Source

Answer 14

Where a river begins

Question 15

Solution

Answer 15

Dissolved minerals

Question 16

Traction

Answer 16

Rolling along the riverbed

Question 17

Watershed

Answer 17

The high ground which separates 2 river basins

Question 18

Suspension

Answer 18

Floating in the water

Question 19

Old rivers:

Answer 19

Ox-bow lakes
Flood plains
Levees
Deltas

Question 20

Where a river begins

Answer 20

Source

Question 21

Youthful river:

Answer 21

V-shaped valleys
Interlocking Spurs
Potholes
Waterfalls

Question 22

Saltation

Answer 22

Bouncing

Question 23

River basin

Answer 23

The area which is drained by a river and its tributaries

Question 24

Course

Answer 24

The route the river takes

Question 25

Estuary

Answer 25

Where a river mouth is tidal

Question 25

Hydraulic action

Answer 25

The force of the moving water erodes pieces of rock off the river banks & bed

Question 25

Attrition

Answer 25

The load collides with it self and is smoothened