Coastal Processes

Question 1

Erosion: What is solution?

Answer 1

The dissolving of soluble chemicals in rocks

Question 2

Erosion: what is hydraulic action?

Answer 2

Waves force air into cracks in the cliff eventually causing the rock to break apart

Question 3

Erosion: What is Attrition?

Answer 3

Rock fragments carried by the sea knock against each other causing them to become smaller and more rounded.

Question 4

Erosion: What is abrasion?

Answer 4

This is the ‘sandpapering’ effect of pebbles grinding over a rocky platform often causing it to becone smooth.

Question 5

Trans: What is solution?

Answer 5

Dissolved chemicals are moved along by waves.

Question 6

Trans - saltation?

Answer 6

(Sauter - to jump in French)

A ‘hopping’ or ‘bouncing’ motion, of particles too heavy to be suspended along the sea bed

Question 7

Trans - Suspension?

Answer 7

Small particles of sand are suspended and moved within the water.

Question 8

Trans- Traction

Answer 8

Tractor

Large particles rollrd alon the sea bed