Coasts Flashcards
(41 cards)
What is erosion?
The process by which rocks and soil are worn away and removed from their original location.
True or False: Deposition occurs when sediments are laid down in a new location.
True
Fill in the blank: The _______ is the area where the land meets the sea.
coast
What are the main types of coastal erosion?
Hydraulic action, abrasion, attrition, and solution.
Multiple Choice: Which of the following is a type of coastal landform? A) Delta B) Cliff C) Glacier
B) Cliff
What is a wave?
A disturbance that travels through water, caused by wind.
True or False: Longshore drift is the movement of sand along the coast.
True
What is a spit?
A narrow piece of land that extends into the sea, formed by deposition.
Fill in the blank: A _______ is a steep rock face, often found on coastlines.
cliff
What causes tides?
The gravitational pull of the moon and the sun on Earth’s oceans.
Multiple Choice: Which process involves the wearing away of rocks by waves? A) Erosion B) Deposition C) Transportation
A) Erosion
What is the term for the landform created where a river meets the sea?
Estuary
True or False: Coastal management involves strategies to protect the coast from erosion.
True
What is a beach?
A landform along the shoreline made up of loose particles such as sand or pebbles.
Fill in the blank: _______ is the process of wearing down rocks through chemical reactions.
Solution
What are sea walls used for?
To protect the coast from the force of waves.
Multiple Choice: Which of the following is NOT a method of coastal protection? A) Gabions B) Groynes C) Deforestation
C) Deforestation
What does the term ‘fetch’ refer to?
The distance over water that the wind blows to generate waves.
True or False: A lagoon is a body of water separated from the sea by a barrier.
True
What is a headland?
A coastal landform that extends into the sea, formed by resistant rock.
Fill in the blank: _______ occurs when waves break on the shore and lose energy.
Deposition
What is a tidal range?
The difference in height between high tide and low tide.
Multiple Choice: What is a common feature of a cliff? A) Sand dune B) Wave-cut platform C) Delta
B) Wave-cut platform
What is the purpose of groynes?
To prevent longshore drift and retain sand on beaches.