5 Written Questions
5 Matching Questions
- Purchase Property
An artificial structure designed to trap sand moved by longshor drift, therefore protecting the beach.
- b After further erosion, the rock supporting the arch will collapse and form a secluded clump of rock.
- c Formed when material is brought to the shore by waves in the swash.
- d Caves develop in a position exposed to sea and waves and the water pressure builds up at the back of the cage causing a part of the roof to collapse.
- e Buy builidings on the beach and remove structures threatened by erosion.
5 Multiple Choice Questions
- When the entire roof of a cave collapses.
Large waves (normally, during storms) that carry more material in the backwash.
- The part of the beach that is submerged at high tide and exposed at low tide.
- Harder rock which takes time to erode protrudes from the side of a cliff/body of rock.
Small waves that carry more sand and other material in the swash and deposit it.
5 True/False Questions
Refraction → The bending of waves as they come into contact with uneven waters or obstructive rocks/landforms.
Offshore breakwater → A structure parallel to the shore and placed in a depth of about 10m.
Sea Wall → Structures placed parallel to the shoreline to separate the land area from water.
Backwash → The water that runs up the beach after a wave breaks.
Swash → Formed when material is brought to the shore by waves in the swash.