Sdme Key Words rivers

Question 1

Transportation

Answer 1

Movement of eroded material in the river

Question 2

Erosion

Answer 2

Wearing away of the land

Question 3

Deposition

Answer 3

After transportation eroded material is dropped in a new place by natural processes

Question 4

Corrosion

Answer 4

Sand and pebbles get dragged along the river bed and knock into it , wearing away the Channel

Question 5

Attrition

Answer 5

Rocks and stones moving along in the water knock together and wear each other away

Question 6

Solution

Answer 6

Water dissolves rocks from the river bed and banks and this helps break up the channel

Question 7

Hydraulic action

Answer 7

Fast flowing water pushes air into cracks and the sheer force of this breaks up the channel

Question 8

Solution

Answer 8

When minerals are dissolved in the water

Question 9

Saltation

Answer 9

Small stones and pebbles are bounced along in the river

Question 10

Suspension

Answer 10

Very small particles are carried along suspended in water ( it can look muddy)

Question 11

Traction

Answer 11

Big boulders and stones are rolled and dragged along the river bed