Coasts

Question 1

Define headlands

Answer 1

Area of resistant rock which protrude from the coastline

Question 2

Define bays

Answer 2

Area of less resistant rock between 2 headlands that erode quickly

Question 3

Define longshore drift

Answer 3

The transport of sediment along a stretch of coastline caused by waves approaching the beach at an angle

Question 4

Define concordant

Answer 4

Where bands of different rock types run parallel to the coastline

Question 5

Define discordant

Answer 5

Layers of rock run at right angles to the coast

Question 6

Define weathering

Answer 6

The breakdown if rocks at the earths surface by the action of rainwater, extremes of temperature and biological activity

Question 7

Define mass movement

Answer 7

Downslope movements of rock, soil or mud under the influence of gravity

Question 8

Physical weathering

Answer 8

1. Water in cracks expands during freezing which breaks the rock
2. Sand blown at rocks wear it down
3. Rain wear rocks down
4. The constant waves wear the rocks down

Question 9

Biological weathering

Answer 9

Roots from plants find ways into cracks forcing it to widen and weaken, pieces fall off

Question 10

Constructive wave features

Answer 10

1. Build beacges
2. Weak
3. Low backwash
4. Strong swash
5. Built in calm weather

Question 11

Destructive wave features

Answer 11

1. Break beaches
2. Strong
3. Strong backwash
4. Weak swash
5. Built in storms