Coasts Re-cap

Constructive waves have a strong swash and weak backwash.

• True.

• False.

Destructive waves have a tall height and short wave length.

• True.

• False.

Which type of waves build up beaches and create landforms such as spits and bars?

• Destructive

• Constructive

Which of these are types of erosion? Select all that apply.

• Hydraulic action

• Saltation

• Abrasion

• Attrition

Which of these is not a type of transportation?

• Saltation

• Traction

• Suspension

• Attrition

Erosion of a headland creates a fault which then becomes a cave. Eventually a cave will become an arch, the roof of the arch becomes unstable and collapses. This leaves behind a ___________. Eventually this will be eroded further to leave a stump.

Which two types of erosion are responsible for the creation of a stack?

• Hydraulic action

• Attrition

• Abrasion

• Solution

The type of transportation where large boulders are rolled along the seabed is know as...

• saltation

• suspension

• traction

• solution

The process where rocks are dissolved by the sea is known as...

• attrition

• solution

• suspension

• abrasion

Deposition of material along the coast happens when...

• the waves lose energy as the wind drops

• the waves gain energy as the wind increases

• there is a change in the wind