River Processes

Question 1

Solution (Transportation)

Answer 1

rocks that are soluble are dissolved and carried by the river

Question 2

Suspension

Answer 2

when materials are held and carried by the water but NOT dissolved

Question 3

saltation

Answer 3

when small sand and gravel particles bounce along the river bed in the direction of the flow of water

Question 4

Traction

Answer 4

large rocks or particles are dragged along the river bed by the current

Question 5

4 Reasons why rivers lose velocity and drop sediment

Answer 5

1. Reduced volume of water in the channel
2. Increased amount of sediment in the channel
3. Water becomes more shallow
4. River’s mouth is reached