rivers test- river processes

Question 1

Hydraulic action

Answer 1

Erosion caused by the force of water hitting the riverbanks and bed

Question 2

Abrasion

Answer 2

Rocks and sediment scraping and wearing away the riverbed and banks

Question 3

Attrition

Answer 3

Rocks carried by the river knock together and become smaller and smoother

Question 4

Solution (erosion)

Answer 4

Chemicals in the water dissolve soluble rocks like limestone

Question 5

Traction

Answer 5

Large boulders rolled along the riverbed

Question 6

Saltation

Answer 6

Small pebbles bounced along the riverbed

Question 7

Suspension

Answer 7

Fine sediment carried within the water

Question 8

Solution (transport)

Answer 8

Dissolved minerals carried by the river

Question 9

Deposition

Answer 9

When a river loses energy and drops its load