Coastal Landscapes Erosion And Weathering

Question 1

Hydraulic action works by

Answer 1

Rocks crack
Water enters and compresses air
Compressed air forces crack to widen
Happened repeatedly

Question 2

Abrasion works by

Answer 2

Rock smash into cliff base between high and low tide
Undercuts cliff
Gets bigger until parts of cliff fall into sea

Question 3

Attrition works by

Answer 3

Rocks knocked together in sea
Become smooth and rounded over time

Question 4

Solution

Answer 4

Rocks dissolve over time in salty water

Question 5

Everything about destructive waves

Answer 5

1 - High height but short wave length
2 - weak swash
3 - powerful backwash

Question 6

Everything about constructive waves

Answer 6

1 - low wave heigh but long wave length
2 - powerful swash
3 - weak backwash

Question 7

Salt weathering happens by

Answer 7

Salt in sweater evaporates leaving crystals that expand and cause cracks

Question 8

Carbonation happened by