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WorksheetsOceanography
Total questions: 52
Worksheet time: 31mins
Name
Class
Date
1.
A sharp underwater hill that connects to the continental shelf and the ocean floor
a)
continental shelf
b)
continental slope
c)
continental rise
d)
trench
2.
These ocean motions are caused by winds
a)
tides and waves
b)
surface currents and waves
c)
surface and deep water currents
d)
tides and tsnamis
3.
As depth increases, temperature _________
a)
increases
b)
stays the same
c)
decreases
4.
The shallow area at the edges of the continents
a)
continental shelf
b)
continental rise
c)
continental slope
d)
guyot
5.
valleys cut deep into the ocean floor
a)
trench
b)
abyssal plain
c)
seamounts
d)
mid-ocean ridges
6.
The flat, smooth part of the deep ocean floor
a)
continental shelf
b)
continental slope
c)
continental rise
d)
abyssal plain
7.
An underwater mountain range
a)
trench
b)
seamount
c)
abyssal plain
d)
mid-ocean ridge
8.
isolated volcanic mountains
a)
mid-ocean ridges
b)
seamount
c)
island
d)
guyot
9.
An isolated flat-topped mountain is known as a
a)
trench
b)
mid-ocean ridge
c)
abyssal plain
d)
guyot
10.
The basic ocean motions are
a)
waves, tides, and rivers
b)
waves, tides, and currents
c)
tides, currents, and springs
d)
tides, currents, depth
11.
The highest part of a wave is the
a)
trough
b)
wave length
c)
crest
d)
wave height
12.
The lowest point of a wave
a)
wave length
b)
wave height
c)
crest
d)
trough
13.
This is the distance from crest to crest
a)
crest
b)
trough
c)
wave length
d)
wave height
14.
This is a warm water surface current that affects the climate of Virginia
a)
California current
b)
Gulf Stream
c)
North Atlantic Drift
d)
South Atlantic Current
15.
This type of ocean motion is caused by differences in salinity and temperature
a)
surface currents
b)
waves
c)
deep ocean currents
d)
tsunami
16.
The ocean floor -------
a)
is always a flat bed of sand
b)
is covered by the same amount of water everywhere
c)
has mountains, plains, and ridges like land surfaces
d)
covers less area than the land
17.
At which location are oceans the deepest?
a)
Mid-ocean ridge
b)
Abyssal plain
c)
Ocean trench
d)
Volcanic island
18.
The main difference between ocean water and lake water is that ocean water contains —
a)
oxygem
b)
plants
c)
algae
d)
salt
19.
The salinity of the Mediterranean Sea is greater than that of the Atlantic Ocean. This means that, compared to the Atlantic Ocean, the Mediterranean Sea is —
a)
wider
b)
deeper
c)
cooler
d)
saltier
20.
Algae and other producers need lots of sunlight. Most ocean algae would be found in the water —
a)
on the abyssal plain
b)
in the oceanic trench
c)
above the continental shelf
d)
beside the continental slope
21.
a long, high sea wave caused by an earthquake
a)
trench
b)
tide pool
c)
tsunami
d)
plankton
22.
Adding salt to water makes it less dense.
a)
True
b)
False
23.
Deep ocean currents are a result of
a)
Global Wind Patterns
b)
Earth's Rotation
c)
Density
d)
All of the above
24.
As you go deeper in the ocean, the water is warmer and less salty.
a)
True
b)
False
25.
Due to the Coriolis Effect, water in the northern hemisphere moves
a)
clockwise
b)
counter clockwise
c)
both
d)
neither
26.
Which of the following is not a process that decreases the salinity of seawater?
a)
runoff from land
b)
icebergs melting
c)
precipitation
d)
evaporation
27.
The highest salinity would be found in which of the following areas?
a)
an area with high rates of precipitation
b)
an area with high rates of evaporation
c)
an area with plenty of runoff
d)
all of the above
28.
The ocean layer of rapid temperature change with depth is known as the
a)
trophic level
b)
deep zone
c)
mixed zone
d)
themocline
29.
In addition to salinity, what factor affects the density of seawater?
a)
depth
b)
latitude
c)
temperature
d)
salt content
30.
Where would you find the lowest density seawater?
a)
surface zone
b)
deep zone
c)
transition zone
d)
abyssal zone
31.
Which process increases the salinity of water?
a)
runoff from land
b)
formation of sea ice
c)
precipitation
d)
melting of sea ice
32.
Warm ocean currents generally come from
a)
The North Pole
b)
The South Pole
c)
The Equator
d)
Both A and B
33.
Cold ocean currents generally come from
a)
The North Pole
b)
The South Pole
c)
The Equator
d)
Both A and B
34.
What type of tides would this arrangement of earth-moon-sun create?
a)
neap tide
b)
spring tide
c)
new moon tide
d)
full moon tide
35.
Wha type of tide would this arrangement of earth-moon-sun create?
a)
full moon tide
b)
new moon tide
c)
neap tide
d)
spring tide
36.
What sea floor feature is created by erosion and deposition?
a)
continental rise
b)
submarine canyon
c)
Marianas trench
d)
seamount
37.
What first accurately mapped the ocean floor?
a)
The Spanish armada
b)
Chinese army
c)
Magellan
d)
sonar
38.
The total amount of solid material dissolved in water, usually sodium chloride.
a)
Solution
b)
Solute
c)
Salinity
39.
The upper part of the ocean into which sunlight penetrates
a)
Oceanic Zone
b)
Photic Zone
c)
Neritic Zone
40.
Layer of ocean where there is a rapid change of temperature with depth
a)
Seamounts
b)
Pycnocline
c)
Thermocline
d)
Upwelling
41.
The vertical distance from the crest of a wave to the trough
a)
Wave Period
b)
Amplitude
c)
Wave Height
d)
Wavelength
42.
What percent of Earth is water?
a)
71%
b)
50%
c)
25%
d)
89%
43.
What feature is B?
a)
Seamount
b)
Abyssal plain
c)
Continental shelf
d)
Volcanic Island
44.
What feature is A?
a)
Continental shelf
b)
Continental slope
c)
Trench
d)
Mid-ocean ridge
45.
What feature is C?
a)
Abyssal plain
b)
Seamount
c)
Continental shelf
d)
Continental slope
46.
What feature is D?
a)
Trench
b)
Mid-ocean ridge
c)
Trench
d)
Continental rise
47.
What is the main cause of tides?
a)
The gravitational pull of land on Earth
b)
The magnetic pull from the poles
c)
The gravitational pull of the moon
d)
The density differences of water
48.
If low tide occurs at 9:00 PM, when would the next low tide occur?
a)
9:00 AM
b)
9:25 AM
c)
9:00 PM
d)
9:25 PM
49.
What is the source of most waves on the ocean surface?
a)
The moon
b)
The sun
c)
Undercurrents
d)
Wind
50.
Fish are abundant in areas where the ocean is upwelling because it -
a)
Causes currents that bring fish to the area
b)
Brings nutrients to the surface
c)
Causes turbulence that attracts fish
d)
Changes tidal flow in that area
51.
What is the name of the technology used to map the ocean floor?
a)
Laser beams
b)
Sonar
c)
Seismograph
d)
Doppler Radar
52.
What do the arrows represent in the picture?
a)
waves
b)
currents
c)
tides
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