waterfall

Question 1

what stage is the waterfall found

Answer 1

in the youthful/old

Question 2

example in Ireland

Answer 2

pollaphuca on the liffey Co Wiclow
Tore waterfall kilarney kerry
Powerscourt Wicklow

Question 3

why does a waterfall occur

Answer 3

it occurs over a lede where there is hard and soft rock

Question 4

what is created when when the falling water hits the bottom of the bed

Answer 4

plunge pool

Question 5

what is created when the falling water begins to undercut the rock by hydraulic action

Answer 5

overhang

Question 6

overtime it becomes_____

Answer 6

unstable

Question 7

when the water fall retreats what can be formed

Answer 7

steep sided gorges EG Niagara falls

Question 8

what is often formed above the area of hard rock

Answer 8

a series of rapids

Question 9

what does the swirl of water cause in a plunge pool

Answer 9

eddying

Question 10

what happens to the soft rock

Answer 10

is is eroded and transported downstream

Question 11

what happens to the hard rock

Answer 11

when the soft rock is eroded the remaining hard rock is left exposed and collapses