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WorksheetsWaterfall Formation
Total questions: 10
Worksheet time: 5mins
Waterfalls form when a river goes over layers of hard and (a) rock
When soft rock is eroded undercutting happens. This forms an ________
overhang
overdrop
overcut
When the soft rock is eroded at the base of the waterfall what feature is formed?
Undercut
Gorge
Plunge pool
When the overhang collapses the waterfall moves upstream. What is this called?
backup
retreat
surrender
Waterfalls are created when a river flows over alternate layers of hard and (a) rock.
Which of the following happens to make a step on the river bed?
The moving water erodes the hard and soft rock at the same speed/rate
The moving water deposits sediment on the river bed, creating a step
The moving water erodes the soft rock faster than the hard rock
The moving water erodes the hard rock faster than the soft rock
What will be formed after a period of undercutting beneath the hard rock layer?
wave-cut platform
plunge pool
overhang
v-shaped valley
The process of wearing away and cutting into rock in a river is called ___________.
transportation
erosion
deposition
"Water cuts into the rock and wears it away," This is called...
sediment
deposition
erosion
Below are listed the 4 types of erosion. Which two are important in the formation of waterfalls?
Hydraulic action
Abrasion
Attrition
Solution
