Question 1

Most tropical beaches undergo seasonal transformations.

Accepted Answer

A) True 
 B)False  False

Question 2

How have parts of Florida's coast been extended?

Accepted Answer

A)  Fringing reefs 
B)  Mangroves 
C)  Barrier reefs 
D)  Atolls 
A)  Fringing reefs 
B)  Mangroves 
C)  Barrier reefs 
D)  Atolls B

Question 3

Where is the seaward limit of a beach?

Accepted Answer

A)  Longshore bars 
B)  Berms 
C)  Where the longshore drift is the strongest 
D)  Where the sediment stops moving onshore or offshore 
A)  Longshore bars 
B)  Berms 
C)  Where the longshore drift is the strongest 
D)  Where the sediment stops moving onshore or offshore D

Question 4

The accumulation and distribution of a layer of sediment protects depositional beaches from rapid erosion.

Accepted Answer

A) True 
 B)False

Question 5

What is the global, long term-change to sea level?

Accepted Answer

A)  Active change 
B)  Temporal change 
C)  Eustatic change 
D)  Passive change 
A)  Active change 
B)  Temporal change 
C)  Eustatic change 
D)  Passive change

Question 6

What is the name for a relatively new coast that has processes removing materials?

Accepted Answer

A)  Passive coasts 
B)  Depositional coasts 
C)  Active coasts 
D)  Erosional coasts 
A)  Passive coasts 
B)  Depositional coasts 
C)  Active coasts 
D)  Erosional coasts

Question 7

Where does most of the sediment on the Pacific coast originate from?

Accepted Answer

A)  Granite rock 
B)  Biological productivity 
C)  Basalt Rock 
D)  Lava 
A)  Granite rock 
B)  Biological productivity 
C)  Basalt Rock 
D)  Lava

Question 8

Coastlines have not come into equilibrium with modern sea levels.

Accepted Answer

A) True 
 B)False

Question 9

A coastline is covered with sea caves. What kind of beach is this likely to be?

Accepted Answer

A)  A low-energy beach 
B)  A passive beach 
C)  An erosional beach 
D)  A depositional beach 
A)  A low-energy beach 
B)  A passive beach 
C)  An erosional beach 
D)  A depositional beach

Question 10

Describe the three types of reefs that are formed. Can you hypothesize why they are important?

Accepted Answer

Answer should include:
•	Fringing reefs

Question 11

What is the eventual fate of erosional beaches?

Accepted Answer

A)  The sea cliffs and sea caves overrun the coastline. 
B)  Marine erosion becomes less of a factor with the age of the beach. 
C)  They become a depositional beach. 
D)  sand dune formation 
A)  The sea cliffs and sea caves overrun the coastline. 
B)  Marine erosion becomes less of a factor with the age of the beach. 
C)  They become a depositional beach. 
D)  sand dune formation

Question 12

What is a fjord?

Accepted Answer

A)  A broad, protected channel 
B)  A deep, narrow bay 
C)  The submerged limit of marine erosion 
D)  A retreating glacier 
A)  A broad, protected channel 
B)  A deep, narrow bay 
C)  The submerged limit of marine erosion 
D)  A retreating glacier

Question 13

What are the most common, large-scale features on a depositional coast?

Accepted Answer

A)  Barrier islands 
B)  Moraines 
C)  Sand spits 
D)  Deltas 
A)  Barrier islands 
B)  Moraines 
C)  Sand spits 
D)  Deltas

Question 14

Coastal cells in southern California are smaller due to the location on an active, leading edge of a continent.

Accepted Answer

A) True 
 B)False

Question 15

What is usually the highest point on a beach?

Accepted Answer

A)  Backshore 
B)  Berm crest 
C)  Beach scarp 
D)  Longshore bars 
A)  Backshore 
B)  Berm crest 
C)  Beach scarp 
D)  Longshore bars

Question 16

What is responsible for increasing a beach's slope?

Accepted Answer

A)  The swash 
B)  The backwash 
C)  The biological activity 
D)  The berm crest 
A)  The swash 
B)  The backwash 
C)  The biological activity 
D)  The berm crest

Question 17

What marks the limit of rapid marine erosion?

Accepted Answer

A)  Sea cliffs 
B)  Wave-cut platforms 
C)  Sea caves 
D)  Blowholes 
A)  Sea cliffs 
B)  Wave-cut platforms 
C)  Sea caves 
D)  Blowholes

Question 18

The resistance of some rocks to erosion is the reason sea cliffs, stacks, and arches are so uneven in their characteristics.

Accepted Answer

A) True 
 B)False

Question 19

Why are erosional coasts prone to become smooth and straight shorelines?

Accepted Answer

A)  Wave refraction 
B)  Wave energy focuses on headlands 
C)  Sediments begin to collect at beaches 
D)  All of these choices 
A)  Wave refraction 
B)  Wave energy focuses on headlands 
C)  Sediments begin to collect at beaches 
D)  All of these choices

Question 20

An erosional coast that has little tidal variation:

Accepted Answer

A)  can erode quickly because wave action is centralized. 
B)  can erode slowly because there are no dramatic changes in tide. 
C)  can erode quickly because it is inundated with large waves. 
D)  can erode slowly because it becomes protected from large tidal variations. 
A)  can erode quickly because wave action is centralized. 
B)  can erode slowly because there are no dramatic changes in tide. 
C)  can erode quickly because it is inundated with large waves. 
D)  can erode slowly because it becomes protected from large tidal variations.

Most tropical beaches undergo seasonal transformations.

How have parts of Florida's coast been extended?

Where is the seaward limit of a beach?

The accumulation and distribution of a layer of sediment protects depositional beaches from rapid erosion.

What is the global, long term-change to sea level?

What is the name for a relatively new coast that has processes removing materials?

Where does most of the sediment on the Pacific coast originate from?

Coastlines have not come into equilibrium with modern sea levels.

A coastline is covered with sea caves. What kind of beach is this likely to be?

Describe the three types of reefs that are formed. Can you hypothesize why they are important?

What is the eventual fate of erosional beaches?

What is a fjord?

What are the most common, large-scale features on a depositional coast?

Coastal cells in southern California are smaller due to the location on an active, leading edge of a continent.

What is usually the highest point on a beach?

What is responsible for increasing a beach's slope?

What marks the limit of rapid marine erosion?

The resistance of some rocks to erosion is the reason sea cliffs, stacks, and arches are so uneven in their characteristics.

Why are erosional coasts prone to become smooth and straight shorelines?

An erosional coast that has little tidal variation:

The Origin of the Ocean

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Ocean Sediments

Water and Ocean Structure

Ocean Chemistry

Circulation of the Atmosphere

Circulation of the Ocean

Waves

Tides

Life in the Ocean

Plankton, Algae, and Plants

Marine Animals

Marine Communities

Marine Resources

The Ocean and The Environment

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Exam 12: Coasts

Most tropical beaches undergo seasonal transformations.

How have parts of Florida's coast been extended?

Where is the seaward limit of a beach?

The accumulation and distribution of a layer of sediment protects depositional beaches from rapid erosion.

What is the global, long term-change to sea level?

What is the name for a relatively new coast that has processes removing materials?

Where does most of the sediment on the Pacific coast originate from?

Coastlines have not come into equilibrium with modern sea levels.

A coastline is covered with sea caves. What kind of beach is this likely to be?

Describe the three types of reefs that are formed. Can you hypothesize why they are important?

What is the eventual fate of erosional beaches?

What is a fjord?

What are the most common, large-scale features on a depositional coast?

Coastal cells in southern California are smaller due to the location on an active, leading edge of a continent.

What is usually the highest point on a beach?

What is responsible for increasing a beach's slope?

What marks the limit of rapid marine erosion?

The resistance of some rocks to erosion is the reason sea cliffs, stacks, and arches are so uneven in their characteristics.

Why are erosional coasts prone to become smooth and straight shorelines?

An erosional coast that has little tidal variation:

The Origin of the Ocean

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Ocean Sediments

Water and Ocean Structure

Ocean Chemistry

Circulation of the Atmosphere

Circulation of the Ocean

Waves

Tides

Life in the Ocean

Plankton, Algae, and Plants

Marine Animals

Marine Communities

Marine Resources

The Ocean and The Environment

Filters