Introductory Coasts Quiz

True or false: destructive waves erode the coastline

• True
• False

Which of these is NOT an example of erosion?

• Hydraulic action
• Hydraulics
• Abrasion
• Attrition

When an arch collapses, what is left immediately after?

• Arch
• Cave
• Stack
• Stump

What is transportation?

• Movement of material
• Dropping of material
• Wearing away of material
• Storage of material

Which of these is NOT an example of transportation?

• Traction
• Saltation
• Suspension
• Freeze-thaw

On a constructive coastline, which is more powerful: swash or backwash?

• Swash
• Backwash

Beaches are formed by what process?

• Transportation
• Deposition
• Longshore Drift
• Erosion

Spits and bars are formed by what process?

• Transportation
• Suspension
• Longshore Drift
• Deposition

Which of these is an example of hard engineering?

• Beach nourishment
• Managed retreat
• Do nothing
• Gabions

Which of these is an example of soft engineering?

• Sea wall
• Managed retreat
• Hold the line
• Rip rap