COASTS

Question 1

Erosion

Answer 1

Displacement of solids.
Usually by wind, water or ice.
Happens because of gravity or by living organisms

Question 2

Weathering

Answer 2

Process of weakening and breaking up rocks. Physical and chemical breakdown of rocks and materials at or near the earths surface

Question 3

Different types of weathering

Answer 3

Physical
Chemical
Biological

Question 4

Mass movement

Answer 4

Downhill movement of westered material under the force of gravity
Speed can vary
Slumps, slides, mudflows

Question 5

Wave quarrying

Answer 5

When high energy waves hit thee cliff face
They have the energy to remove chunks of the cliff.
Occurs due to intense force

Question 6

Cavitation

Answer 6

Similar to hydraulic action
Wave smash into a crevice.
It compresses air bubbles that fizz.
Makes the cliff recede.
Creates a mini explosion

Question 7

Sub-aerial processes

Answer 7

The processes of weathering and mass movement

Question 8

Mechanical weathering

Answer 8

Involves the break-up of ricks within any chemical changes taking place

Question 9

Types of mechanical weathering