Peralta Community College District
Physical Geography
Rita D. Haberlin, Instructor

Coastal Landforms Quiz

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Important:   When you answer a question, a response box will appear.   You must close this response box before continuing the quiz.  There are 15 questions in this quiz.
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1. During storms in winter:

There is a higher percentage of fine-grained sand on beaches
More erosion occurs in bays than on headlands
Beaches are eroded
Beaches are built up
Offshore sand bars are destroyed
2. Which one of the following is the best description of a wave-cut abrasion platform?
A flat, benchlike surface, pounded by waves at the base of an eroding cliff
A large, long, low ridge rising above sea level and lying parallel to a shoreline
An isolated remnant of a wave-eroded headland
Formed whan a sea cave in a headland cuts all the way to the other side
3. Which one of the following factors is MOST responsible for the DAY-TO-DAY changes along a coastline?
The type of landscape next to the ocean
Changes in sea level
The work of waves
People's activities
Climate changes
4. Which statement about waves is FALSE?
Wave motion dies out in open water at a depth equal to half a wavelength.
As waves approach a shore they slow down.
In the open sea, the wave form moves forward but not the water molecules.
Plunging waves build up the beach.
5. Which one of the following terms describes the change in the direction of waves as they approach a shoreline?
Carbonation
Refraction
Osmosis
Submergence
Tsunami
6. Where would you find examples of barrier island coasts?
Oregon
California
British Columbia and Alaska
Texas and the Gulf Coast
Hawaii
7. Which one of the following features is formed by wave erosion?
A barrier island
A spit
A cave
A beach
8. Barrier island beaches generally develop where:
The coast is composed of hard rock
The nearby land has a rugged topography of hills and mountains
The sea floor deepens rapidly offshore
The sea floor remains shallow for a long distance offshore
9. Construction of dams upstream on rivers may lead to:
Narrower beaches
Wider beaches
The filling in of bays
The building of a barrier island
10. Which one of the following is NOT built by waves depositing sediments (wave deposition)?
A spit
A barrier island
A beach
A baymouth bar
An arch
11. What is the correct sequence in the erosion of a headland?
Headland, arch, cave, stack
Headland, stump, stack, cave
Headland, cliff, cave, arch, stack
Headland, stack, bay, arch, stump

The following two questions (questions 12 and 13) refer to this diagram of a coastline of headlands and bays.
 
PAK, Diagram 1 of a coastline of headlands and bays showing wind direction.

12. Examine the diagram above showing an irregular coastline.  The arrow shows the wind direction.  Question:  Longshore currents are likely to travel along the coast from:
North to South
South to North
West to East
In a southwest direction
In a westerly direction
13. Longshore drift carries sediment into the open water of the bays and forms:
Stacks
Sandspits
Tombolos
Wave-cut platforms

The following question (question 14) refers to this diagram of a coastline of headlands and bays.
 
PAK, Diagram 2 of a coastline of headlands and bays showing the direction of the wind and longshore currents.

14. Examine the diagram above.  Which part of the coast receives the maximum amount of wave energy?
Location A
Location B
Location C
Location D

The following question (question 15) refers to this cross-section of a wave-eroded headland.
 
PAK, Cross-section of a wave-eroded headland.

15. Examine the diagram above.  The feature shown at Location B is:
A cave
An Arch
A wave-cut abrasion platform
A stack

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