Types Of Erosion Flashcards
1
Q
What is hydraulic action?
A
power of the water as it smashes against the river banks. Air becomes trapped in the cracks of the river bank and bed, and causes the rock to break apart.
2
Q
What is abrasion?
A
When pebbles grind along the river bank and bed in a sand-papering effect.
3
Q
What is attrition?
A
When rocks that the river is carrying knock against each other. They break apart to become smaller and more rounded.
4
Q
What form of erosion is it when When the water dissolves certain types of rocks, eg limestone?
A
Solution
5
Q
What is erosion?
A
- Erosion is the process that wears away the river bed and banks.
- Erosion also breaks up the rocks that are carried by the river.
6
Q
Name types of erosion?
A
Hydraulic action, solution, attrition, abrasion
