Coastal Erosion and Processes Quiz

What is erosion in the context of coastal geography?

• The wearing away of rock along the coastline

• The movement of tectonic plates

• The formation of new landmasses

• The building up of rock along the coastline

Which type of wave is responsible for erosion on the coastline?

• Destructive waves

• Constructive waves

• Tidal waves

• Seismic waves

What is hydraulic power on a coastline?

• Pebbles grinding along a rock platform

• Rocks knocking against each other

• Sea water dissolving certain types of rocks

• The power of waves smashing against a cliff

What happens during abrasion on a coastline?

• Waves deposit material on the beach

• Air becomes trapped in cracks in the rock

• Pebbles grind along a rock platform

• Rocks dissolve in sea water

What is attrition on a coastline?

• Rocks that the sea is carrying knock against each other

• The process of waves depositing material

• The formation of new rock layers

• The movement of sand along the beach

Which types of rocks are prone to solution erosion in the UK?

• Chalk and limestone

• Sandstone and shale

• Granite and basalt

• Marble and quartzite

What is the swash in the context of waves?

• The length of a wave

• The height of a wave

• The backward movement of a wave down a beach

• The forward movement of a wave up a beach

What is the backwash in the context of waves?

• The backward movement of a wave down a beach

• The forward movement of a wave up a beach

• The length of a wave

• The height of a wave

Which process involves sea water dissolving rocks?

• Solution

• Attrition

• Abrasion

• Hydraulic action

What is the main effect of destructive waves on a beach?

• They increase the beach's size

• They create new landforms

• They remove material from the beach

• They build up the beach