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Coastal erosion processes and wave action

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

These rocks are likely to be a result of..

a)

solution

b)

attrition

c)

abrasion

d)

hydraulic action

2.

Constructive waves have strong backwash and weak swash

a)

True

b)

False

3.

Which of the following geographical term means the wind which predominantly blows over a period of time?

a)

Wind speed

b)

Monsoon

c)

Prevailing wind

d)

Fetch

4.

Which of the following is NOT a type of coastal erosional processes?

a)

Solution

b)

Saltation

c)

Hydraulic Action

d)

Attrition

5.

The strength of the wave is dependent on ... (click all suitable options.)

a)

wave direction

b)

wind speed

c)

fetch

d)

wind duration

6.

The process when rock particles knock against the base of the cliff causing parts of the cliff to breakdown.

a)

Attrition

b)

Solution

c)

Hydraulic Action

d)

Abrasion

7.

Air is trapped the cracks of cliffs by the force incoming waves. The pressure buildup causes the joints to weaken and rocks to shatter.

a)

Abrasion

b)

Attrition

c)

Hydraulic Action

d)

Solution

8.

Define the term "erosion"

a)

The destruction of a coastline

b)

The build up of minerals and sand

c)

The wearing away and breakdown of rocks and material

d)

Forming landforms

9.

Constructive waves create beaches

a)

False

b)

True

10.

This is a diagram of a (a)   wave

11.

A steep rock face, especially along the coast.

a)

mountain

b)

plateau

c)

cliff

d)

hanging valley

12.

The motion of water that causes erosion.

a)

Hydraulic Energy

b)

Hydraulic Action

c)

Hydro Carbon

d)

Hydel Power

13.

What is a coast

a)

Land next to the ocean

b)

The edge of a desert

c)

A type of erosion

d)

Another name for a swamp

14.

What are the parts of a wave?

a)

Backshore, offshore, dunes, foreshore

b)

Wavelength, crest, trough, wave height

c)

Wavelength, crest, amplitude, wave height

d)

I don’t know

15.

Deposition occurs when

a)

Wave energy is high

b)

Wave energy is low

c)

All of the above

d)

None of the above

16.

The acids in seawater slowly dissolve the chalk and limestone cliffs. The material produced is carried away by this process.

a)

Hydraulic action

b)

Corrasion

c)

Attrition

d)

Solution

17.

It is how far the wave has traveled.

a)

Erosion

b)

Deposition

c)

The fetch

d)

The swash

18.

They are created from big, strong waves when the wind is mighty and has been blowing for a long time.

a)

Destructive

b)

Constructive

19.

They break on the shore and deposit material, building up beaches. Which is described in the statement?

a)

Destructive

b)

Constructive

20.

Destructive waves have _______ wave frequency and _____ wave height compared to constructive waves

a)

higher, higher

b)

higher, lower

c)

lower, higher

d)

lower, lower

21.

constructive waves have ______ swash and _____ backwash.

a)

strong, strong

b)

strong, weak

c)

weak, strong

d)

weak, weak

22.

Which of the following is NOT a type of coastal erosional processes?

a)

Solution

b)

Saltation

c)

Hydraulic action

d)

Attrition

23.

Name Part A of the wave.

a)

crest

b)

trough

c)

wave height

d)

wave length

24.

Name Part B of the wave.

a)

crest

b)

trough

c)

wave height

d)

wave length

25.

Air is trapped the cracks of cliffs by the incoming waves. The pressure buildup causes the joints to weaken and rocks to shatter.

a)

Hydraulic action

b)

Solution

c)

Attrition

d)

Abrasion