4.3 Coasts

Question 1

Destructive waves properties

Answer 1

Tall waves, high frequency, takes lots of material

Question 2

Constructive wave properties

Answer 2

Short, low frequency

Question 3

Fetch

Answer 3

Distance that the wind has to blow over water to reach a destination

Question 4

Hydraulic action/power

Answer 4

Waves crash against rock and compress the air into the rocks breaking the rock over a long process

Question 5

Attrition

Answer 5

Eroded particles in water break off each other after hitting each other and becomes smaller

Question 6

Abrasion

Answer 6

Eroded particles (from attrition) in water scrape against the cliff and break it off

Question 7

Sub aerial processes(weathering)

Answer 7

Changes that dont take place on the land. The breakdown of rocks where they are

Question 8

3 ways of weathering

Answer 8

Mechanical, biological, chemical

Question 9

Chemical weathering

Answer 9

The breakdown of rocks by changing its chemical compositions

Question 10

Mechanical weathering

Answer 10

The breakdown of rocks without changing its chemical composition

Question 11

Biological

Answer 11

The breakdown of rocks by living things e.g plant roots

Question 12

3 types of mass movement

Answer 12

Slides, slumps, rockfall

Question 13

Slides

Answer 13

Material shifts in a straight line

Question 14

Slumps

Answer 14

Material shifts with a rotation

Question 15

Rockfall

Answer 15

Material breaks up and falls down slope

Question 16

Joints

Answer 16

Small, usually vertical cracks found in rocks

Question 17

Faults

Answer 17

Larger cracks caused by past tectonic movements