When do waterfalls form?
When the river reaches the middle course
When there is hard rock on top of soft rock
When there is soft rock on top of hard rock
What types of erosion cause the undercutting of a waterfall?
Abrasion and hydraulic action
Abrasion and attrition
Attrition and hydraulic action
Which erosional landform is a large scale landform?
Slip-off slope
Plunge pool
Meander
Where on a meander would you find a river cliff?
Outside bend
Inside bend
The centre of the channel
Where on a meander would you find the small scale landform of a slip-off slope?
What is the name of the large-scale feature found in the lower course of a river?
V-shaped valley
Floodplain
What is the shape of the valley in a floodplain?
Wide and flat
Narrow and flat
Wide and steep
Where does the River Severn begin its journey?
North Wales
South Wales
Mid Wales
Which factor affects the rate of landform change on a floodplain?
Gravity
Seasonal variations
The geology
Which factor affects the rate of landform change within a waterfall?
Geology
Seasonal variation
Human influences