Define erosion.
The process of wearing away rocks and soil by wind, water, or ice.
What is a headland?
A coastal landform where the land juts out into the sea.
True or false: Deposition is the process of material being laid down.
TRUE
Fill in the blank: A spit is a narrow landform that projects into ______.
the sea
What causes longshore drift?
Waves approaching the shore at an angle, moving sediment along the beach.
Define wave-cut platform.
A flat area at the base of a cliff formed by wave erosion.
What is abrasion in coastal processes?
Erosion caused by waves carrying sand and pebbles that grind against rock.
True or false: Cliffs are formed by erosion and weathering.
TRUE
Fill in the blank: Saltation refers to sediment moving in ______ jumps.
small
What is a bar?
A submerged or exposed ridge of sand or gravel that blocks a river’s mouth.
Define tide.
The regular rise and fall of sea levels caused by gravitational forces.
What is fetch?
The distance over water that the wind blows to create waves.
True or false: Sand dunes are formed by wind deposition.
TRUE
Fill in the blank: Coastal management aims to protect ______ from erosion.
shorelines
What is a lagoon?
A shallow body of water separated from a larger body by a barrier.
Define rip current.
A strong, narrow current flowing away from the shore.
What is submergence?
The sinking of land below sea level, leading to flooding.
True or false: Coral reefs are formed by the accumulation of coral polyps.
TRUE
Fill in the blank: Estuaries are areas where freshwater meets ______.
saltwater
What is coastal erosion?
The wearing away of land and removal of beach or dune sediments.
Define marine terrace.
A flat, wave-cut platform that has been uplifted above sea level.
What is a delta?
A landform created by sediment deposition at the mouth of a river.
True or false: Barrier islands protect the mainland from storm surges.
TRUE
Fill in the blank: Groynes are structures built to interrupt ______ flow.
longshore
