key Terms Test

Question 1

abrasion

Answer 1

Rocks carried along by the river wear down the river bed and banks.

Question 2

attrition

Answer 2

Rocks being carried by the river smash together and break into smaller, smoother and rounder particles

Question 3

Deposition

Answer 3

When the river dumps or leaves behind the material that it’s been carrying (its load). This is due to a loss of energy.

Question 4

erosion

Answer 4

the wearing away and removal of material by a moving force

Question 5

fluvial processes

Answer 5

processes related to erosion,transport and deposition by a river

Question 6

Hydraulic action

Answer 6

The force of the river against the banks can cause air to be trapped in cracks and crevices. The pressure weakens the banks and gradually wears it away.

Question 7

lateral erosion

Answer 7

Sideways erosion by a river

Question 8

load

Answer 8

Material being transported by a river

Question 9

Process

Answer 9

Something which happens

Question 10

saltation

Answer 10

Particles bouncing down the river bed

Question 11

Solution

Answer 11

soluble particles are dissolved

Question 12

Suspension

Answer 12

Fine solid material held in the water while the water is moving

Question 13

Traction

Answer 13

The rolling of boulders and pebbles along a river bed

Question 14

Transportation

Answer 14

The movement of eroded material

Question 15

Vertical erosion

Answer 15

Downward erosion of a river bed