Coastal Processes Quiz

What creates waves in the sea?

• Sun shining

• Wind blowing over the sea

• Fish swimming

• Boats moving

What is the swash?

• Water flowing up the beach

• Water flowing down the beach

• Sand on the beach

• Rocks on the beach

What type of wave helps to build up a beach?

• Tidal waves

• Storm waves

• Destructive waves

• Constructive waves

What is the backwash?

• Water flowing up the beach

• Water flowing down the beach

• Rocks on the beach

• Sand on the beach

What type of wave has a stronger backwash than swash?

• Tidal waves

• Calm waves

• Constructive waves

• Destructive waves

What is hydraulic action?

• Air trapped in cracks on a cliff

• Sand grinding down cliffs

• Waves smashing rocks together

• Acids dissolving rocks

What is longshore drift?

• Material moving along the beach in a zigzag

• Waves breaking on the shore

• Rocks being eroded

• Sand being deposited

What happens when the sea loses energy?

• It creates more waves

• It erodes cliffs

• It drops sand and pebbles

• It becomes warmer

What is abrasion?

• Waves smashing rocks together

• Bits of rock and sand grinding down cliffs

• Acids dissolving rocks

• Air trapped in cracks on a cliff

What is solution in coastal transportation?

• Pebbles rolled along the sea bed

• Minerals dissolved in sea water

• Small particles carried in water

• Load bounced along the sea bed