Rivers

Question 1

What are the stages of a river

Answer 1

1. Youthful stage
2. Mature stage
3. Old stage

Question 2

What is a v shaped valleys and how do they occur

Answer 2

A valley in v shape
Vertical erosion and the river cuts down into the river bed making it deeper

Question 3

How do waterfalls occur

Answer 3

When rivers flow over areas of hard and soft rocks

Question 4

What 4 ways transportation occurs

Answer 4

1. Rolling
2. Bouncing
3. Suspension
4. Solution

Question 5

Sorce

Answer 5

– The place where a river
begins.

Question 6

Course

Answer 6

– The route the river takes to
the sea

Question 7

Tributary

Answer 7

A small river that joins a
larger river.

Question 8

Confluence

Answer 8

The point where the
tributary joins the river.

Question 9

Mouth

Answer 9

The point where the river
enters the sea.

Question 10

Estuary

Answer 10

The part of the mouth that is
tidal

Question 11

Basin

Answer 11

The area of land drained by a
river.

Question 12

Watershed

Answer 12

– The high ground
separating one river basin from
another.
The River’s Jo

Question 13

4 processes of River Erosion

Answer 13

1. Hydraulic Action
2. Abrasion
3. Attrition
4. Solution

Question 14

Landforms of the mature stage

Answer 14

1. Wide river valley
2. Meanders
3. Flood plain

Question 15

Whats is Hydraulic Action

Answer 15

The force of the moving water wears away the banks and bed of the river.

Question 16

What is Abrasion

Answer 16

• Small stones carried by the river wear away at the the banks and bed of the

Question 17

What is Attrition

Answer 17

The small stones in the river are worn down and broken up as they hit off each other.

Question 18

What is Solution

Answer 18

Rocks and soil are dissolved by acids in the water.

Question 19

What is the youthful river

Answer 19

The youthful river has a small amount of water but it travels very quickly down the steep mountain slope.

Question 20

Energy of a River

Answer 20

The amount of energy a river has depends on:
Discharge: The volume of water in the river, more water means more erosion
• Gradient: The steeper the gradient, the faster it erodes

Question 21

What are Currents

Answer 21

Ocean currents are predictable and constant circular
movements of seawater around our plane

Question 22

What is Tide

Answer 22

Tide refers to the rising and falling of the sea level due to
forces created by the Sun and the Mo

Question 23

What is transportation

Answer 23

• Transportation refers to the movement
of eroded material (load) by the sea.
• The swash and backwash

Question 24

What is deposition

Answer 24

refers to when the sea
drops or deposits its load of eroded
material along the coast by the swash
of waves.