Homework 5 - Coasts

With a ................................... wave, the swash is stronger than the backwash.

• destructive

• constructive

• swash

• backwash

With a ................................... wave, the backwash is stronger than the swash.

• destructive

• constructive

• swash

• backwash

The type of erosion that occurs when pebbles bang together

• Abrasion
• Attrition
• Hydraulic action
• Solution

When swash is stronger than backwash it creates a

• Constructive wave
• Destructive wave
• Water layer weathering
• Plunging wave

What is this type of wave?

• Coast building - constructive

• Coast destroying - destructive

What is responsible for creating most of the waves in the ocean?

• Movements of large sea creatures deep down

• Container ships carrying goods between continents

• The gravitational pull of the moon

• The frictional contact of winds blowing over the ocean

Which key term goes with the definition 'The wearing away and removal of material by a moving force, such as a breaking wave. '

• Deposition

• Erosion

• Transportation

• Fetch

The type of erosion that occurs when rocks or pebbles bang together is:

• Attrition

• Abrasion

• Hydraulic action

• Solution

This coastal process is created by the energy of the wind which has height, energy and duration.

• Tides

• Waves

• Storm Surge

• Sea Level Rise

The diagrams  shows a natural process that weathers rock.
 Which statement best explains why this process results in weathering?

• frozen water acts as a solute
• water expands when it freezes
• the mass of water increases when it freezes
• frozen water dissolves most types of rock