coasts Flashcards
1
Q
what factors affect the formation of waves?
A
prevailing wind
2
Q
name two characteristics of a constructive wave
A
strong swash
weak backwash
3
Q
name two characteristics of a destructive wave
A
strong backwash
weak swash
4
Q
what is mechanical weathering (freeze thaw)
A
water gets into a crack and freezes the water in the crack and it gets bigger when it freezes
5
Q
what is chemical weathering
A
acid rain
6
Q
what is biological weathering
A
plant roots crack rock
7
Q
four types of mass movement
A
slope, slump, slide, rock fall
8
Q
four types of costal erosion
A
hydraulic action- pushes air into a crack
abrasion- scratches
attrition-hit
solution- dissolve
9
Q
four types of costal erosion
A
traction- roll
saltation- bounce
suspension- float
solution- dissolve
10
Q
A
