Y10: rivers Flashcards
1
Q
What are the 4 types of erosion?
A
Attrition, Abrasion, Hydraulic action, Solution
2
Q
Attrition
A
Rocks smashing together while being carried by the river, resulting in rocks becoming smaller
3
Q
Abrasion
A
Rocks wearing down the riverbed and banks while rubbing against them like sandpaper
4
Q
Hydraulic Action
A
The force against the bank causes air to trap in the cracks, wearing away the rocks
5
Q
Solution
A
Particles being dissolved in the river
6
Q
Erosion
A
The break down and removal of sediment
7
Q
What is a V shaped valley? How are they created?
A
Valleys that are formed by erosion of rivers, creating very steep sides and resembling the letter ‘v’.
8
Q
Interlocking spurs
A
The river eroding at the upper course and goes around the interlocking spurs like a meander
9
Q
A
