Rivers revision

What river landforms are found in the upper course?

• Gorge

• Meander

• Delta

• Interlocking spurs

How to waterfalls form?

• A layer of soft rock lies on top of a layer of hard rock

• A layer of hard rock lies on top of a layer of hard rock

• Abrasion erodes away a plunge pool at the bottom of the waterfall

• Solution and traction creates a plunge pool at the bottom of the river

What type of erosion is prominent in the middle course?

• Vertical erosion

• Saltation

• Solution

• Lateral erosion

What landforms occur in the middle course of a river?

• Ox-bow lakes

• V-shape valleys

• Flood plains

• Estuary

The ____________ means the fastest flow of the river

The fastest flow of the river occurs on the ____________ bend creating a _______________.

• Inside

• Outside

• Slip-off slope

• River cliff

_______________ occurs on the inside bend because the river loses its energy

• deposition

• transportation

• erosion

What landforms occur in the lower course of a river?

• Delta

• Meander

• Estuary

• Levees

Natural levees are....

• Man-made structures to prevent flooding

• A raised bank on the edge of a flood plain

• A raised bank either side of the river due to deposition

• Unlevel ground on a flood plain

What are the characteristics of estuaries?

• V-shape

• Tidal bores

• Mudflats

• Narrow mouth