Coasts quiz

What is deposition?

• When waves lose energy and drop sediment along the coast.

• The wearing away of land by water or wind.

• The movement of sediment along the beach.

• The distance that the wind has traveled over water.

What is backwash?

• Water that runs back into the ocean.
• Water that falls forward and moves up the shore.
• Tug of war between the drag of the wind and pull of gravity.
• Swirling of water in an area.

What are destructive waves?

• Waves with a strong swash and gentle backwash.

• Waves with a strong backwash and gentle swash.

• Giant waves that come far into land.

• Large tidal waves that move up rivers.

What is this type of wave?

• Constructive wave

• Destructive wave

"Rocks rolled along the sea bed" is what type of transportation?

• Saltation

• Suspension

• Traction

• Solution

What is attrition?

• Sediment grinds against the cliff like sandpaper

• Chemicals in the sea water dissolve rock on the cliff face

• Waves smash into the cliff forcing air into cracks

• Rocks smash into each other becoming smaller and more rounded

A large fetch creates big waves because...

• the wind has traveled a long distance

• the wind is falling from a great height

• the wind has less energy

• the wind has traveled over the land

Rock armour prevents erosion by: (2)

• absorbing the energy of the waves

• deflecting the energy of the waves

• dissolving the energy of the waves

• eroding the energy of the waves

Soft engineering is helpful because: (2)

• it does not damage the environment

• it is relatively cheap to use

• it is built to last a long time

• it uses man-made materials

This castle is situated on hard rock sticking out to sea. This is called:

• a headland

• a bay

• a wave-cut platform

• a spit