The coast

Question 1

Hydraulic action?

Answer 1

Forces the rocks apart when the water is forced into rocks.

Question 2

What do you call the process when loose rocks are thrown against the cliff wearing the rock away?

Answer 2

Abrasion action

Question 3

Solution?

Answer 3

Seawater dissolves materials from the rock

Question 4

What do you call the process when loose rocks are swirled around and are worn in smaller rounder pieces?

Answer 4

Attrition

Question 5

What is the prevailing wind?

Answer 5

When the wind blows at an angle which causes the waves to approach the beach at an angle.

Question 6

What is the aim of the Butler Model?

Answer 6

To explain what happens to a tourist industry in a location over a period of time

Question 7

What are the two types of engineering at the coast?

Answer 7

HARD - building physical structures

SOFT - using nature to protect the coast

Question 8

Features of CONSTRUCTIVE waves

Answer 8

big swash
building the beach (deposition)
low amplitude
longer wavelengths
quite gentle

Question 9

Features of DESTRUCTIVE waves

Answer 9

big backwash
steep high beaches
high amplitude
shorter wavelengths
erodes the beach
very quick

Question 10

What 2 actions cause the arches, stacks and stumps?

Answer 10

hydraulic and abrasion