Coastal Processes 2

A high energy environment causes __________ to occur?

• Erosion

• Deposition

• Gravity

• Sand Dunes

What does the term Fetch refer to?

• The shape of a headland

• The distance a wave travels before it reaches land

• The movement of sediment within an ecosystem

• The time it takes for erosion to occur

What is Hydraulic action?

• The weight and impact of water against the coastline which cause cracks/caves to form.

• The way a coastal feature transitions into a new feature

• The time it takes for erosion to occur

• The way a wave moves up the beach and interacts with the coastline.

Attrition occurs when?

• Little rocks get picked up by the waves and smashed on to the cliffs

• Small rocks are smashed against each other, making smaller rocks.

• Chemicals in the sea water dissolve the rocks

• At low tide when animals enter the coastal environment.

What wave type is associated with Erosion?

• Constructive Waves

• Destructive Waves

• Radio Waves

• Polar Waves

What Erosional Features are Present in this image? (Select 3)

• Stack

• Stump

• Cliff

• Arch

• Cave

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 movement of water up the beach after the breaking of a wave is...

• Swash
• Backwash

The type of erosion that occurs when pebbles bang together

• Abrasion
• Attrition
• Hydraulic action
• Solution