Coasts

Question 1

Biological weathering

Answer 1

When flora and fauna break down the rock eg growing roots

Question 2

Chemical weathering

Answer 2

Rocks dissolve as a result of slightly acid rain water

Question 3

Wave cut notch

Answer 3

Waves attack the base of the cliff by hydrolic action. The constant attack of waves forms a notch.

Question 4

Wave cut platform

Answer 4

After a wave cut notch the overlying rock collapses as its unsupported and the cliff will retreat whilst doing this

Question 5

A bay

Answer 5

A bay is where land curves inward surrounded by water

Question 6

Headlands

Answer 6

Cliffs that stick out into the sea and are surrounded by water on there sides

Question 7

A spit

Answer 7

A stretch of beach at one end of the coastline caused by longshore drift and by waves depositing material

Question 8

What is a groyne

Answer 8

Low lying wood or concrete structures which go out into sea to catch sediment and widen the beach

Question 9

What is a sea wall

Answer 9

Big concrete walls at the foot of the cliff to prevent erosion taking place

Question 10

Rock armour

Answer 10

Big boulders placed at the bottom of the cliff to absorb the waves energy