COASTS 2.6

Question 1

Name the three types of weathering

Answer 1

Mechanical, biological, chemical

Question 2

Where are pan rock formations most common?

Answer 2

Here shore

Question 3

Where are loaf rock formations most common?

Answer 3

Backshore

Question 4

Describe the surface of a pan rock formation

Answer 4

Concave

Question 5

Describe the surface of a loaf rock formation

Answer 5

Convex

Question 6

As temperature increases, weathering changes from ______ to ______

Answer 6

Mechanical to chemical

Question 7

Name one biological weathering process

Answer 7

Boring molluscs

Question 8

Name two physical weathering processes

Answer 8

Frost shattering and salt crystallisation

Question 9

Describe the process of salt crystallisation

Answer 9

Water from waves that crash against the rock evaporates and sodium is left in the joints
The salt crystals grow and exert pressure forcing some the rocks to crack and break.

Question 10

Define weathering

Answer 10

The breakdown of rock in situ

Question 11

Rock type at eagle hawk neck, Tasmania

Answer 11

Siltstone/sedimentary rock

Question 12

Loaf rocks are less vulnerable to marine processes. True or false

Answer 12

False

Question 13

Define carbonation

Answer 13

The breakdown of limestone by carbonic acid