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Shorelines

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

The height, length, and period of a wave depend upon ________.

a)

the length of time the wind has blown

b)

the wind speed

c)

the fetch

d)

the length of time the wind has blown, the wind speed, and the fetch

2.

Fetch is ________.

a)

a method of shoreline erosion control

b)

the distance between the trough of a wave and the still water level

c)

the circular pattern made by water particles when a wave passes

d)

none of these

3.

Waves begin to "feel bottom" when the depth of water is ________.

a)

equal to one-half the wavelength

b)

equal to the wavelength

c)

twice as great as the wavelength

d)

three times as great as the wavelength

4.

The horizontal distance between successive crests (or troughs) is called the ________.

a)

period

b)

fetch

c)

wavelength

d)

interface

5.

At what depth of water would waves "feel bottom" if their wavelength is 10 feet?

a)

1 foot

b)

2.5 foot

c)

5 feet

d)

20 feet

6.

Which of the following statements is true about waves?

a)

Waves "feel bottom" at a depth of 1/3 their wavelength

b)

The wave shape moves through the water, while individual water particles move in a circle.

c)

The wave period is the length between two successive wave crests.

d)

The distance the wind has blown across open water is called the interface.

7.

Water flowing back down the beach after a wave has broken is known as ________.

a)

surf

b)

swash

c)

backwash

d)

outwash

8.

) One result of wave refraction is that wave energy is concentrated ________.

a)

on headlands projecting into the water

b)

in the recessed areas between headlands

c)

in estuaries

d)

none of the above

9.

When waves reach shallow water, they are often bent and tend to become parallel to the shore. This process is termed ________

a)

oscillation

b)

refraction

c)

translation

d)

reflection

10.

The movement of water within the surf zone that parallels the shore is termed ________.

a)

tidal current

b)

salinity current

c)

beach drift

d)

longshore current

11.

The zigzag movement of sand grains along a beach is ________.

a)

caused by obliquely breaking waves

b)

called beach drift

c)

caused by obliquely breaking waves and called beach drift

d)

none of the above

12.

The movement of sand parallel to the shore ________.

a)

is created by waves approaching at an oblique angle

b)

may create spits

c)

is achieved by longshore currents

d)

is created by waves approaching at an oblique angle, may create spits, and is achieved by longshore currents

13.

Longshore sand transport and longshore currents depend on waves impinging ________ to a shoreline.

a)

parallel

b)

perpendicular

c)

obliquely

d)

none

14.

Currents within the surf zone that flow parallel to the shore are known as ________ currents.

a)

sideshore

b)

offshore

c)

backwash

d)

longshore

15.

Concentrated movements of water that flow opposite the direction of breaking waves are called ________.

a)

longshore current

b)

offshore currents

c)

rip currents

d)

tidal currents

16.

Which one of the following is a landform created by wave erosion?

a)

spit

b)

estuary

c)

tombolo

d)

sea arch

17.

Erosional retreat of a(n) ________ leads to enlargement and extension of a wave-cut platform in the inland direction.

a)

wave-cut tombolo

b)

wave-cut cliff

c)

wave-cut barrier beach

d)

offshore, wave-cut, breakwater bar

18.

A sand ridge connecting an island to the mainland or to another island is a ________.

a)

jetty

b)

tombolo

c)

breakwater

d)

sea stack

19.

A flat, bench-like surface cut in rock along a coast is a ________.

a)

sea stack

b)

tombolo

c)

wave cut platform

d)

spit

20.

An isolated remnant of wave erosion is a ________.

a)

spit

b)

jetty

c)

groin

d)

sea stack

21.

A ________ is an isolated remnant of bedrock standing above a wave-cut platform.

a)

sea spit

b)

sea rampart

c)

sea span

d)

sea stack

22.

A sandbar that completely crosses a bay, sealing it off from the open ocean is a ________.

a)

sea stack

b)

tombolo

c)

coastal barrier

d)

none

23.

A ridge of sand projecting into a bay and often having a hooked end is a ________.

a)

spit

b)

jetty

c)

groin

d)

sea stack

24.

Low ridges of land, parallel to the coast, along the Atlantic and Gulf coasts, are known as ________.

a)

tombolos

b)

spits

c)

barrier islands

d)

barrier bars

25.

A ________ is the remnant of a sea arch

a)

sea stack

b)

seacliff

c)

marine terrace

d)

sea spit

26.

Which of the following shoreline features forms only in tectonically active areas?

a)

wave-cut platform

b)

marine terrace

c)

barrier island

d)

baymouth bar

27.

When caves on opposite sides of a headland unite, a(n) ________ results.

a)

tombolo

b)

marine terrace

c)

sea stack

d)

sea arch

28.

If an initially irregular coastline remains relatively stable, it will become ________ over time.

a)

more irregular

b)

uplifted

c)

submerged

d)

straighter and more regular

29.

The presence of which one of the following would indicate that the land had been uplifted or that sea level had fallen?

a)

an estuary

b)

a sea stack

c)

elevated marine terrace

d)

a tombolo

30.

Chesapeake Bay and Delaware Bay are ________.

a)

associated with a submergent coast

b)

former river valleys that were flooded by a rise in sea level

c)

excellent examples of large estuaries

d)

all of the above

31.

Large estuaries are more common on a(n) ________ coastline.

a)

submergent

b)

emergent

c)

stable

d)

retreating

32.

Elevated wave-cut platforms in Southern California are evidence that this coastal area is ________.

a)

submergent

b)

emergent

c)

stable

d)

retreating

33.

A hurricane causes the most damage in the coastal zone because of ________.

a)

the hurricane's width

b)

population density

c)

storm surge

d)

heavy rain

34.

A poleward-moving ocean current is ________.

a)

warm only in the Northern Hemisphere

b)

warm only in the Southern Hemisphere

c)

warm

d)

cold

35.

The majority of Atlantic hurricanes occur ________.

a)

between October and December

b)

between July and October

c)

between May and December

d)

between December and June

36.

Hurricanes are said to have a steep pressure gradient, and as you move toward the center of the storm, ________.

a)

pressure slowly drops

b)

pressure rapidly drops

c)

pressure slowly rises

d)

pressure rapidly rises

37.

Which of the following is true of the eye of a hurricane?

a)

It is the area where the most destructive winds occur.

b)

it is generally located at one edge of the hurricane spiral.

c)

it is the coolest part of the storm.

d)

It is the warmest part of the storm.

38.

Once a hurricane makes landfall, it ________

a)

rapidly picks up speed

b)

becomes more intense

c)

loses energy and is usually downgraded

d)

dissipates almost immediately

39.

A tropical storm becomes a hurricane when its sustained wind speeds exceed ________.

a)

50 mph

b)

74 mph

c)

100 mph

d)

120 mph

40.

Which one of the following structures is built to protect boats from large breaking waves?

a)

jetty

b)

groin

c)

breakwater

d)

seawall

41.

Which of the following is designed to prevent or retard shoreline erosion?

a)

groin

b)

beach nourishment

c)

seawall

d)

all of these

42.

A barrier built at a right angle to the beach for the purpose of trapping sand that is moving parallel to the shore is called a ________.

a)

groin

b)

jetty

c)

breakwater

d)

seawall

43.

Which of the following is an alternative to hard stabilization?

a)

breakwaters

b)

seawalls

c)

beach nourishment

d)

groins

44.

Hard stabilization approaches often result in ________.

a)

stable beaches all along the coastline

b)

increased frequency of storms

c)

larger storm surges

d)

the interruption of the natural flow of sand in coastal currents

45.

Which of the following is a tidal current?

a)

spring tide

b)

flood tide

c)

ebb tide

d)

both ebb and flood

46.

The daily tidal range is GREATEST during ________ tide

a)

spring

b)

ebb

c)

neap

d)

none

47.

The daily tidal range is LEAST during ________ tide.

a)

spring

b)

ebb

c)

neap

d)

none

48.

Which of the following has the greatest effect on the tides?

a)

the Sun

b)

the Moon

c)

fetch

d)

bathymetry

49.

The _______ occurs as the tide falls.

a)

flood current

b)

ebb current

c)

spring current

d)

neap current

50.

________ occur at about the time of the first quarter and third quarter phases of the Moon.

a)

Spring tides

b)

Flood tides

c)

Flood tides

d)

Neap tides