Coasts

Question 1

Two types of waves

Answer 1

Destructive and constructuve

Question 2

Destructive waves

Answer 2

Weak swash and strong backwash
steep, high waves that are close together
create a steep beach

Question 3

weak swash and strong backwash

Answer 3

pull sand and pebbles off the beach (erosion)

Question 4

Constructive waves

Answer 4

Strong swash and weak backwash
Low waves, more gently sloping with longer gap
Gentle beach

Question 5

Strong swash and weak backwash

Answer 5

Build up the beach (deposition)

Question 6

Erosion

Answer 6

Hydraulic action, Abrasion, Attrition and solution

Question 7

Hydraulic Action

Answer 7

Water is forced into cracks in the rock, is compressed (squashed) and forces the rock apart

Question 8

Abrsion

Answer 8

Loose rocks are thrown against the cliff wearing away at the rock like sandpaper

Question 9

Attrition

Answer 9

Loose rocks are swirled around and are worn in smaller, rounder pieces

Question 10

Solution (Erosion)

Answer 10

Seawater dissolves material from the rock

Question 11

Transportation

Answer 11

Suspension, Solution, Traction and Saltion

Question 12

Suspension

Answer 12

Fine sediment is carried along in suspension in the water

Question 13

Solution (Transportiation)

Answer 13

Dissolved materials is carried along in solution-you can’t see it

Question 14

Traction

Answer 14

Large pebbles and cobbles are rolled along the seabed

Question 15

Saltation

Answer 15

Small pebbles are moved when a pebble hits another, causing it to bounce