Rivers Revision 2

Which landform is created as waterfalls retreat?

• Interlocking spurs

• Levee

• Floodplain

• Gorge

What are interlocking spurs?

• A pronounced bend in a river

• An embankment of sediment along the bank of river

• A series of ridges projecting out on alternate sides of a valley and around which a river winds its course

• A narrow, steep sided valley often formed when waterfalls retreat

What are rapids?

• A pronounced bend in a river

• An embankment of sediment along the bank of river

• A series of ridges projecting out on alternate sides of a valley and around which a river winds its course

• Fast-flowing, turbulent sections of a river where the bed has a steep gradient

What is a meander?

• A bend in a river

• A bank of a river

• A lake formed next to a river

• A steep river channel.

Which of the following are characteristics of a meander?

• Slip-off slope

• River cliff

• A lake formed next to a river

• A steep-sided gorge

What is a small, horseshoe-shaped lake that is located several metres from a fairly straight stretch of river in its middle and lower courses?

• Reservoir

• Floodplain

• Oxbow lake

• River channel

Where are slip-off slopes found on a meander?

• Inside bend

• Outside bend

True or false? An oxbow lake forms when the neck of a meander is eroded, and sediment is deposited on the new river bank.  

• True

• False

What is the name of a naturally raised river bank found on either or both sides of a river that is prone to flooding?  

• Estuary

• Levee

• Floodplain

• Delta

 What happens to the size of sediment with distance from a levee?

• It becomes larger

• It becomes smaller

• It becomes more angular