Coasts Flashcards

(41 cards)

1
Q

What is erosion?

A

The process by which rocks and soil are worn away and removed from their original location.

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2
Q

True or False: Deposition occurs when sediments are laid down in a new location.

A

True

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3
Q

Fill in the blank: The _______ is the area where the land meets the sea.

A

coast

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4
Q

What are the main types of coastal erosion?

A

Hydraulic action, abrasion, attrition, and solution.

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5
Q

Multiple Choice: Which of the following is a type of coastal landform? A) Delta B) Cliff C) Glacier

A

B) Cliff

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6
Q

What is a wave?

A

A disturbance that travels through water, caused by wind.

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7
Q

True or False: Longshore drift is the movement of sand along the coast.

A

True

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8
Q

What is a spit?

A

A narrow piece of land that extends into the sea, formed by deposition.

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9
Q

Fill in the blank: A _______ is a steep rock face, often found on coastlines.

A

cliff

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10
Q

What causes tides?

A

The gravitational pull of the moon and the sun on Earth’s oceans.

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11
Q

Multiple Choice: Which process involves the wearing away of rocks by waves? A) Erosion B) Deposition C) Transportation

A

A) Erosion

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12
Q

What is the term for the landform created where a river meets the sea?

A

Estuary

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13
Q

True or False: Coastal management involves strategies to protect the coast from erosion.

A

True

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14
Q

What is a beach?

A

A landform along the shoreline made up of loose particles such as sand or pebbles.

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15
Q

Fill in the blank: _______ is the process of wearing down rocks through chemical reactions.

A

Solution

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16
Q

What are sea walls used for?

A

To protect the coast from the force of waves.

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17
Q

Multiple Choice: Which of the following is NOT a method of coastal protection? A) Gabions B) Groynes C) Deforestation

A

C) Deforestation

18
Q

What does the term ‘fetch’ refer to?

A

The distance over water that the wind blows to generate waves.

19
Q

True or False: A lagoon is a body of water separated from the sea by a barrier.

20
Q

What is a headland?

A

A coastal landform that extends into the sea, formed by resistant rock.

21
Q

Fill in the blank: _______ occurs when waves break on the shore and lose energy.

22
Q

What is a tidal range?

A

The difference in height between high tide and low tide.

23
Q

Multiple Choice: What is a common feature of a cliff? A) Sand dune B) Wave-cut platform C) Delta

A

B) Wave-cut platform

24
Q

What is the purpose of groynes?

A

To prevent longshore drift and retain sand on beaches.

25
True or False: Saltmarshes are important ecosystems found in coastal areas.
True
26
What is a tombolo?
A sandbar connecting an island to the mainland.
27
Fill in the blank: _______ refers to the movement of material along the coast.
Longshore drift
28
What role do plants play in coastal areas?
They help to stabilize the soil and prevent erosion.
29
Multiple Choice: Which coastal feature is formed by erosion? A) Beach B) Cliff C) Spit
B) Cliff
30
What is a barrier island?
A long, narrow island that protects the coast from waves.
31
True or False: Coastal flooding can be caused by storms and high tides.
True
32
What is the primary cause of coastal erosion?
Waves crashing against the shore.
33
Fill in the blank: _______ is the process where sediments are carried away by water.
Transportation
34
What is the difference between constructive and destructive waves?
Constructive waves build up beaches, while destructive waves erode them.
35
Multiple Choice: Which of the following is a human impact on coasts? A) Deforestation B) Urbanization C) Both A and B
C) Both A and B
36
What is a coral reef?
A marine ecosystem formed by coral polyps that build calcium carbonate structures.
37
True or False: Coastal ecosystems are not affected by human activities.
False
38
What is a marine reserve?
An area of the ocean protected for conservation purposes.
39
Fill in the blank: _______ can lead to increased coastal erosion due to rising sea levels.
Climate change
40
What is sediment?
Small particles of rock and soil that can be transported by wind or water.
41
Delta
A landform at the mouth of a river where it meets a body of water, formed by sediment deposition.