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Coastal Erosion

Total questions: 28

Worksheet time: 15mins

Name
Class
Date
1.

Attrition describes the process of

a)

When a hard rock grinds a softer rock into sand particles

b)

Fish grinding rocks with their teeth

c)

Sand being moved along the coastline

d)

Wave energy rubbing rocks against each other

2.
What is swash?
a)
Water that runs back into the ocean.
b)
Water that falls forward and moves up the shore.
c)
Tug of war between the drag of the wind and pull of gravity.
d)
Swirling of water in an area.
3.
I transport material along a beach. What am I.
a)
Longshore Drift
b)
Longshape Drift
c)
Longnose Drift
d)
Longway drift
4.

____________ happens when wave energy is low.

a)

Erosion

b)

Transportation

c)

Deposition

5.

What is coastal deposition?

a)

When the sea wears away the land

b)

When the sea moves sand or pebbles from one place to another

c)

When the sea drops sand or pebbles onto the land

d)

When the government builds defences to protect the land

6.

When waves drop sand on the beach, it is...

a)

Weathering

b)

Erosion

c)

Deposition

7.
This body of saltwater covers more than 70% of the Earth's surface.
a)
Lake
b)
Gulf
c)
River
d)
Ocean
8.
What is a shape or feature on the Earth's surface?
a)
landform
b)
geography
c)
natural resources
d)
environment
9.
What are destructive waves?
a)
Waves that are tall and frequent, crashing into shoreline, digging out chunks.
b)
Long and low waves, beginning far out in the sea, with a smooth gentle landing.
c)
The circular movement caused by wind and gravity fighting.
d)
When people wave their hand to aggresively destroy things.
10.
What am I? I have a very strong backwash which removes material from the beach.
a)
A deconstructive wave.
b)
A constructive wave.
c)
The local council.
11.

_______ can either form a beach by depositing sand or destroy a beach by eroding the sand.

a)

waves

b)

currents

c)

tides

d)

all of these

12.
What is Deposition?
a)
When waves lose energy and leave sediments / sand along a coast.
b)
The wearing away of land, removal of beach rocks/sand by water or wind.
c)
An area of land that smells different to other places.
d)
An area that has a lot of wind.
13.
Which of these coastal landforms are created by deposition?
a)
Cave
b)
Stack
c)
Beach
d)
Wave cut platform
14.
What is the erosional process in which rocks are pushed by waves up against the headland, eroding the cliff face further?
a)
Hydraulic action.
b)
Abrasion.
c)
Attrition.
d)
Solution.
15.

Which process change Earth's surface.

a)

Erosion

b)

Deposition

c)

all above

16.

Waves are generated by

a)

wind blowing over water

b)

sun blowing on the sea

c)

tidal movements

d)

rotation of the Earth

17.

Which is the definition of the word "coast"

a)

The seaside where there is sand and seawater.

b)

The zone where the land meets the sea.

c)

Tall cliffs made of chalk.

d)

A place where there is saltwater and rocks.

18.

Which part of the wave pushes material up the beach?

a)

Backwash

b)

Swash

c)

Fetch

d)

Wind

19.

In destructive waves, the backwash is.....?

a)

Strong

b)

Weak

c)

The same as the swash

20.

When an underwater earthquake, volcano or landslide create waves it results in

a)

hurricanes

b)

tornadoes

c)

tsunami

d)

storm

21.

Another name for a wave's peak is

a)

trough

b)

crest

c)

tsunami

d)

backwash

22.

The crest is the highest point of a wave

a)

True

b)

False

23.

The moons gravity pulls the ocean water on the earth, causing waves to swag up and down

a)

True

b)

False

24.

When the moon is closer to one side of the earth, it pulls water towards it

a)

True

b)

False

25.

There are two types of waves

a)

continuate and destructive

b)

constructive and desputive

c)

constructive and destructive

26.

Destructive waves are created under storm conditions

a)

True

b)

False

27.

A series of huge waves caused by an underwater earthquake, landslide, or volcano.

a)

tsunami

b)

Coriolis effect

c)

current

28.

The up and down movement of energy on the surface of the water.

a)

currents

b)

waves

c)

Coriolis effect

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