Question 1

Under which conditions will a wave be considered a deepwater wave?

Accepted Answer

A) Wavelength > 1/2 water depth 
B) Wave height > water depth 
C) Wavelength > 1/2 wave height 
D) Water depth > 1/2 wavelength 
A) Wavelength > 1/2 water depth 
B) Wave height > water depth 
C) Wavelength > 1/2 wave height 
D) Water depth > 1/2 wavelength

Question 2

Rip currents are the result of tidal variations.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following areas consists of narrow beaches backed by steep cliffs and mountain ranges?

Accepted Answer

A) Pacific Coast 
B) Atlantic Coast 
C) Gulf Coast 
D) Florida shoreline 
A) Pacific Coast 
B) Atlantic Coast 
C) Gulf Coast 
D) Florida shoreline

Question 4

If you happen to be caught in a rip current, what is the best way to get to safety?

Accepted Answer

A) Swim straight toward shore. 
B) Swim parallel to the shore. 
C) Swim further out to sea. 
D) Tread water and do nothing. 
A) Swim straight toward shore. 
B) Swim parallel to the shore. 
C) Swim further out to sea. 
D) Tread water and do nothing.

Question 5

What is the fetch?

Accepted Answer

A) Ocean currents that move in a direction parallel to the beach 
B) The area of quiet water where deposition is taking place 
C) A large area of open water over which wind blows to generate waves 
D) Erosion of coastal cliffs creating wave-cut benches 
A) Ocean currents that move in a direction parallel to the beach 
B) The area of quiet water where deposition is taking place 
C) A large area of open water over which wind blows to generate waves 
D) Erosion of coastal cliffs creating wave-cut benches

Question 6

What kind of wave motion is visible in this image?

Accepted Answer

A) Circular orbital motion 
B) Breaking wave 
C) Rip current 
D) Longshore current 
A) Circular orbital motion 
B) Breaking wave 
C) Rip current 
D) Longshore current

Question 7

During the last glaciation, a large tongue of glacial ice occupied Lake Michigan for thousands of years.How, several thousand years after the retreat of the ice, an emergent coastline is developing along part of the lake.What geologic process is creating an emergent coastline in Lake Michigan?

Accepted Answer

A) Lake levels are falling. 
B) Rebound of a depressed crust. 
C) Subsidence of the land surface around the lake. 
D) Accumulation of dunes on the beach. 
A) Lake levels are falling. 
B) Rebound of a depressed crust. 
C) Subsidence of the land surface around the lake. 
D) Accumulation of dunes on the beach.

Question 8

A(n)________ coast will be created when sea level falls or the land is uplifted.

Accepted Answer

A) exposed 
B) emergent 
C) submergent 
D) eroded 
A) exposed 
B) emergent 
C) submergent 
D) eroded

Question 9

The erosional retreat of a coastal cliff will lead to the enlargement of a ________.

Accepted Answer

A) wave-cut arch 
B) wave-cut beach 
C) wave-cut stack 
D) wave-cut platform 
A) wave-cut arch 
B) wave-cut beach 
C) wave-cut stack 
D) wave-cut platform

Question 10

In the previous question, you had to indicate where deposition and erosion were taking place in this image.Why would deposition or erosion occur at the areas you indicated?

Accepted Answer

A) Erosion occurs where there is low water velocity and deposition occurs where there is high water velocity. 
B) Erosion results from circular orbital motion whereas deposition occurs from the waves feeling bottom. 
C) Erosion occurs where the water is shallow and deposition occurs where the water is deep. 
D) Erosion occurs where there is high water velocity and deposition occurs where there is low water velocity. 
A) Erosion occurs where there is low water velocity and deposition occurs where there is high water velocity. 
B) Erosion results from circular orbital motion whereas deposition occurs from the waves feeling bottom. 
C) Erosion occurs where the water is shallow and deposition occurs where the water is deep. 
D) Erosion occurs where there is high water velocity and deposition occurs where there is low water velocity.

Question 11

What kind of wave motion is visible in this image?

Accepted Answer

A) Circular orbital motion 
B) Breaking wave 
C) Rip current 
D) Longshore current 
A) Circular orbital motion 
B) Breaking wave 
C) Rip current 
D) Longshore current

Question 12

Coastal areas undergo some of the most rapid and dynamic change due to their constant contact with the water.

Accepted Answer

A) True 
 B)False

Question 13

What is the difference between the eye and eye wall of a hurricane?

Accepted Answer

The eye is an area of calm in

Question 14

Which of the following is an artificial coastal feature?

Accepted Answer

A) Baymouth bar 
B) Jetty 
C) Spit 
D) Tombolo 
A) Baymouth bar 
B) Jetty 
C) Spit 
D) Tombolo

Question 15

Which of the following locations has a coastline famous for its erosional features such as wave-cut platforms?

Accepted Answer

A) Northern California 
B) Florida 
C) North Carolina 
D) Louisiana 
A) Northern California 
B) Florida 
C) North Carolina 
D) Louisiana

Question 16

Most hurricanes form poleward of 20° latitude.

Accepted Answer

A) True 
 B)False

Question 17

Explain why waves will begin to curl and fall over as they approach shore.

Accepted Answer

As the wave approaches shore, the base o

Question 18

Which of the following scenarios is not related to wave refraction?

Accepted Answer

A) Waves approach the shore at an angle. 
B) Sediment deposition will be concentrated in quiet areas such as bays and protected water. 
C) Erosion is focused on the front and sides of headlands. 
D) Large quantities of sand are carried from estuaries and deposited on the seacoast side of a barrier island system. 
A) Waves approach the shore at an angle. 
B) Sediment deposition will be concentrated in quiet areas such as bays and protected water. 
C) Erosion is focused on the front and sides of headlands. 
D) Large quantities of sand are carried from estuaries and deposited on the seacoast side of a barrier island system.

Question 19

What coastal erosion stabilizers are visible in this image?

Accepted Answer

A) Headlands 
B) Jetties 
C) Breakwaters 
D) Groins 
A) Headlands 
B) Jetties 
C) Breakwaters 
D) Groins

Question 20

A(n)________ coast will be created when sea level rises or the land subsides.

Accepted Answer

A) exposed 
B) emergent 
C) submergent 
D) eroded 
A) exposed 
B) emergent 
C) submergent 
D) eroded

Exam 20: Shorelines

Under which conditions will a wave be considered a deepwater wave?

Rip currents are the result of tidal variations.

Which of the following areas consists of narrow beaches backed by steep cliffs and mountain ranges?

If you happen to be caught in a rip current, what is the best way to get to safety?

What is the fetch?

What kind of wave motion is visible in this image?

During the last glaciation, a large tongue of glacial ice occupied Lake Michigan for thousands of years.How, several thousand years after the retreat of the ice, an emergent coastline is developing along part of the lake.What geologic process is creating an emergent coastline in Lake Michigan?

A(n)________ coast will be created when sea level falls or the land is uplifted.

The erosional retreat of a coastal cliff will lead to the enlargement of a ________.

In the previous question, you had to indicate where deposition and erosion were taking place in this image.Why would deposition or erosion occur at the areas you indicated?

What kind of wave motion is visible in this image?

Coastal areas undergo some of the most rapid and dynamic change due to their constant contact with the water.

What is the difference between the eye and eye wall of a hurricane?

Which of the following is an artificial coastal feature?

Which of the following locations has a coastline famous for its erosional features such as wave-cut platforms?

Most hurricanes form poleward of 20° latitude.

Explain why waves will begin to curl and fall over as they approach shore.

Which of the following scenarios is not related to wave refraction?

What coastal erosion stabilizers are visible in this image?

A(n)________ coast will be created when sea level rises or the land subsides.

An Introduction to Geology

Plate Tectonics: a Scientific Revolution Unfolds

Matter and Minerals

Magma, Igneous Rocks, and Intrusive Activity

Volcanoes and Volcanic Hazards

Weathering and Soil

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Geologic Time

Crustal Deformation

Earthquakes

Earths Interior

Divergent Boundaries

Convergent Boundaries

Mass Wasting

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Winds

Global Climate Change

Earths Evolution Through Geologic Time

Energy and Mineral Resources

Touring Our Solar System

Filters