Mercer Bay Coastal Geography Quiz

What makes Mercer Bay a coastal geographer's dream?

• Its calm and serene environment

• Its location on the east coast

• Its unique coastal features

• Its popularity among tourists

How are sea caves typically formed?

• By human excavation

• By the action of waves on rock cracks

• By volcanic eruptions

• By tectonic movements

What is a stack in coastal geography?

• A pile of sand

• A vertical column of rock

• A type of seaweed

• A small island

What causes differential erosion at Mercer Bay?

• The presence of only sandstone

• The combination of volcanic rock and sandstone

• The presence of only volcanic rock

• The absence of wave action

Why is there no berm on Mercer Bay beach?

• The beach is too narrow

• The waves reach the cliffs during full tides

• The sand is too coarse

• The beach is too wide

What is a common feature of Auckland's west coast?

• Smooth coastlines

• Jagged coastlines with headlands and coves

• Flat sandy beaches

• Coral reefs

What is the origin of the black iron sand at Mercer Bay?

• Erosion of local cliffs

• Volcanic activity in the Central North Island

• Sediment from the east coast of Australia

• Human mining activities

What indicates a high silica content in the sand at the southern end of Mercer Bay?

• The sand is more white than black

• The sand is more black than white

• The sand is red

• The sand is green

Why are there no sand dunes at the southern end of Mercer Bay?

• The wind is too strong

• The sand is too wet

• The cliffs block aeolian transportation

• The beach is too wide

What is a local inhabitant of Mercer Bay mentioned in the video?

• The Penguin

• The Kiwi

• The Pied Shag

• The Albatross