Coasts GCSE

Name the landform visible in the photo.

• tombolo

• spit

• arch

• coral reef

Which of these is not a form of coastal erosion?

• Attrition

• Hydraulic action

• Sub-aerial weathering

• Solution

Which of these is NOT a condition that coral reefs need to form?

• Water temperature of 27-29 degrees C

• Shallow salty water

• A good amount of sunlight

• Clear water

Which is the correct definition of hydraulic action?

• When particles of rock and pebbles are thrown up against the cliffs and break the rocks apart.

• When waves smash against the cliffs, water is pushed into cracks and breaks rocks apart over time.

• When waves smash against the cliffs, air becomes trapped in the cracks in the rock and causes the rock to break apart.

• It's the sheer power of the waves hitting the cliffs.

What type of mass movement is visible in the photo?

• Soil creep

• Rockfall

• Mudslide

• Rotational slumping

Which of these characteristics is NOT true of destructive waves.

• Short wavelength

• Low frequency 6-9 per minute

• Tall, steep waves

• Strong backwash

Which of these features is most likely to be found at the back of a beach?

• Storm beach

• Berm

• Runnel

• Spit

Which of these best describes a tombolo?

• A spit that has continued to grow across an estuary to another headland.

• A narrow beach

• A spit that has continued to grow until it has joined an island.

• A triangular accumulation of sand and shingle.

Which of these do mangroves need to grow? (One or more options can be picked)

• Tropical climate

• High level of rainfall (1500-3000mm/yr)

• Intertidal zone

• Algae rich waters

Which of these is NOT a nutrient store in a coastal ecosystem?

• Litter

• Rocks

• Biomass

• Sea water