Rivers: Erosion Processes Flashcards
1
Q
What is hydraulic action?
A
The energy of the water which widens cracks in cliffs by trapping air in them and eventually making the rocks break apart.
2
Q
What is abrasion?
A
When pebbles grind along a rock platform and overtime this causes the rock to become smooth.
3
Q
What is attrition?
A
When the rocks that the sea is carrying knock against each other which causes the rock to break apart and become smaller and rounder.
4
Q
What is solution?
A
The chemical reaction where the sea water dissolves certain types of rocks.
5
Q
What are the four types of erosion processes?
A
Hydraulic action, attrition, solution, abrasion.
