Section #: 16.1
Shoreline Features
Practice Test
1.
What determines the size of sediment particles on a beach?
SC.D.1.4.2
a.
width of dune
b.
amount of sediment
c.
wave energy
d.
tidal range
Hint
2.
Waves move at __________ velocity in deep water than in shallow water.
a.
a faster
b.
a 100-times-faster
c.
the same
d.
a slower
Hint
3.
Why is water in an estuary commonly brackish?
a.
It's a mixture of freshwater and salt water.
b.
Its chemistry is affected by sea grasses.
c.
It is moved with the longshore current.
d.
It is a nursery for fish.
Hint
4.
Straight wave crests bend toward headlands because of a process called __________.
a.
erosion
b.
wave reflection
c.
concentration
d.
wave refraction
Hint
5.
What is a narrow bank of sand that projects into the ocean called?
SC.D.1.4.2
a.
a lagoon
b.
a spit
c.
a bay mouth bar
d.
a barrier island
Hint
6.
According to the map, what can be said about the coastline over the past 20,000 years?
SC.D.1.4.3
a.
It has receded.
b.
it has definitely fluctuated
c.
It has expanded.
d.
It has remained the same.
Hint
7.
How much would sea level rise if all the world's polar ice melted?
SC.G.2.4.2
a.
2 m
b.
700 m
c.
10 m
d.
70 m
Hint
8.
Why is sea level still rising?
SC.D.1.4.3
a.
the size of world glaciers is growing
b.
global cooling
c.
the destruction of ozone in the atmosphere
d.
global warming
Hint
9.
Water movement parallel to shore is called __________.
a.
rip current
b.
longshore current
c.
longshore bar
d.
upwelling
Hint
10.
What is the purpose of the structure shown in the figure?
a.
to redirect current
b.
to anchor boats
c.
to trap beach sand
d.
to protect the shore
Hint
11.
A groin is used to __________.
SC.G.2.4.2
a.
interrupt the natural longshore transport of sand
b.
provide anchorage for small boats
c.
protect the beach from storm waves
d.
protect a harbor
Hint
12.
What flat erosion surface is formed as a headland is worn away?
SC.D.1.4.2
a.
sea arches
b.
sea caves
c.
wave-cut platform
d.
wave-cut cliff
Hint
13.
What is a barrier island?
SC.D.1.4.2
a.
a narrow ridge of sand that connects the mainland and an island
b.
a narrow bank of sand that projects into the ocean
c.
a narrow bank of sand that crosses a bay
d.
a long ridge of sand that is separate from the mainland
Hint
14.
How much lower was sea level 10,000 years ago?
SC.D.1.4.3
a.
20 m
b.
130 m
c.
100 m
d.
500 m
Hint
15.
Which is NOT a method of building coastal landforms above sea level?
a.
wind-shaping dunes from sediments exposed at low tide
b.
upwelling of sediments
c.
storms moving sediments above the high-tide mark
d.
longshore transportation of sediments at high tide
16.
What determines the composition of sediment particles on a beach?
SC.D.1.4.2
a.
amount of sediment
b.
wave energy
c.
tidal range
d.
sediment source
Hint
17.
Which structure is pictured in the figure?
a.
groin
b.
jetty
c.
breakwater
d.
seawall
Hint
18.
__________ are points of land sticking out into the ocean.
SC.D.1.4.2
a.
Estuaries
b.
Rocky headlands
c.
Beaches
d.
Barrier islands
Hint
19.
What is the purpose of a breakwater?
a.
interrupt the natural longshore transport of sand
b.
protect the beach from storm waves
c.
protect a harbor
d.
provide anchorage for small boats
