Section #: 16.1
Shoreline Features
Practice Test
1.
How much lower was sea level 10,000 years ago?
SC.D.1.4.3
a.
20 m
b.
100 m
c.
130 m
d.
500 m
Hint
2.
How much would sea level rise if all the world's polar ice melted?
SC.G.2.4.2
a.
70 m
b.
2 m
c.
10 m
d.
700 m
Hint
3.
A groin is used to __________.
SC.G.2.4.2
a.
provide anchorage for small boats
b.
protect a harbor
c.
protect the beach from storm waves
d.
interrupt the natural longshore transport of sand
Hint
4.
Which structure is pictured in the figure?
a.
jetty
b.
groin
c.
breakwater
d.
seawall
Hint
5.
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 a nursery for fish.
d.
It is moved with the longshore current.
Hint
6.
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
7.
What is a narrow bank of sand that projects into the ocean called?
SC.D.1.4.2
a.
a bay mouth bar
b.
a lagoon
c.
a spit
d.
a barrier island
Hint
8.
What is a barrier island?
SC.D.1.4.2
a.
a narrow bank of sand that crosses a bay
b.
a long ridge of sand that is separate from the mainland
c.
a narrow bank of sand that projects into the ocean
d.
a narrow ridge of sand that connects the mainland and an island
Hint
9.
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 expanded.
b.
It has receded.
c.
it has definitely fluctuated
d.
It has remained the same.
Hint
10.
Straight wave crests bend toward headlands because of a process called __________.
a.
erosion
b.
wave reflection
c.
concentration
d.
wave refraction
Hint
11.
What determines the composition of sediment particles on a beach?
SC.D.1.4.2
a.
sediment source
b.
amount of sediment
c.
wave energy
d.
tidal range
Hint
12.
Water movement parallel to shore is called __________.
a.
upwelling
b.
rip current
c.
longshore bar
d.
longshore current
Hint
13.
What is the purpose of the structure shown in the figure?
a.
to protect the shore
b.
to trap beach sand
c.
to anchor boats
d.
to redirect current
Hint
14.
Why is sea level still rising?
SC.D.1.4.3
a.
the destruction of ozone in the atmosphere
b.
global warming
c.
global cooling
d.
the size of world glaciers is growing
Hint
15.
What is the purpose of a breakwater?
a.
provide anchorage for small boats
b.
interrupt the natural longshore transport of sand
c.
protect the beach from storm waves
d.
protect a harbor
16.
What determines the size of sediment particles on a beach?
SC.D.1.4.2
a.
tidal range
b.
amount of sediment
c.
wave energy
d.
width of dune
Hint
17.
__________ are points of land sticking out into the ocean.
SC.D.1.4.2
a.
Rocky headlands
b.
Beaches
c.
Barrier islands
d.
Estuaries
Hint
18.
What flat erosion surface is formed as a headland is worn away?
SC.D.1.4.2
a.
wave-cut cliff
b.
wave-cut platform
c.
sea arches
d.
sea caves
Hint
19.
Waves move at __________ velocity in deep water than in shallow water.
a.
a faster
b.
a 100-times-faster
c.
a slower
d.
the same
Hint
