Rivers Check Week 6

Is this a long profile or a cross profile of a river?

• Long Profile

• Cross Profile

Which of these features are commonly found in the upper course of a river?

• Interlocking Spurs

• Meanders

• Floodplains

• Waterfalls

____________________ is where fast flowing water is forced into cracks, breaking up the bank over time.

• Solution

• Hydraulic Action

• Attrition

• Abrasion

____________ is where rocks and stones wear each other away as they knock together.

• Hydraulic Action

• Abrasion

• Attrition

• Solution

What type of valley has steep sides and a narrow bottom?

• U shape

• V shape

What feature is located at the bottom of a waterfall?

• Floodplain

• Meander

• Overhang

• Plunge Pool

__________ is when the heaviest material is rolled along the river bed. This requires the most energy.

• Suspension

• Traction

• Saltation

• Solution

Erosion occurs on the __________ bend of a river meander.

• Inside

• Outside

Which process mainly occurs in the middle course of a river?

• Vertical Erosion

• Lateral Erosion

Thalweg is another name for what?

• Slowest Current

• Fastest Current

• Slip off slope

• Cross Profile