Waves and Erosion Flashcards
1
Q
Waves
A
The result of wind blowing over the sea, creating friction causing ripples to form which develop into waves
2
Q
Fetch
A
How far a wave has travelled
3
Q
Erosion
A
The breakdown and removal of rock
4
Q
Abrasion
A
Bits of rock in waves grind the cliff surfaces down like sandpaper
5
Q
Attrition
A
Waves smash rocks onto the shore and into eachother so they break and become smoother
6
Q
Hydraulic Action
A
Air becomes trapped in joints and cracks in the cliff face, which are compressed by breaking waves, weakening the cliff
7
Q
Solution
A
Acids and salts in sea water dissolve some rock types like chalk
