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WorksheetsOceanography Review
Total questions: 72
Worksheet time: 50mins
Name
Class
Date
1.
Ocean currents are caused by-
a)
underwater earthquakes
b)
human influence
c)
sun moon and Earth interaction
d)
density differences
2.
Seawater is typically denser than freshwater due to seawaters-
a)
greater depth
b)
smaller mass
c)
higher salinity
d)
lower freezing point
3.
Continental shorelines generally have a milder climate than locations inland at the same latitude due to-
a)
ocean water acting as a conductor of heat
b)
land is a greater storage of heat
c)
ocean water stores and releases heat more slowly than land
d)
land masses release hear slower than land
4.
What part of the ocean floor would be most affected by sea level change?
a)
abyssal plain
b)
continental shelf
c)
continental slope
d)
trench
5.
A trench is formed at what zone?
a)
subduction
b)
divergent
c)
convergent
d)
strike-slip
6.
What first accurately mapped the ocean floor?
a)
The Spanish armada
b)
Chinese army
c)
Magellan
d)
sonar
7.
What is not a type of ocean pollution?
a)
oil spill
b)
non-point source pollution
c)
upwelling
d)
trash dumping
8.
Which best describes the continental shelf?
a)
a flat underwater valley
b)
a region of mountains in the deep ocean
c)
a shallow area of sediment near the shore
d)
a region with high water pressure
9.
Salinity means
a)
how many fish are in the water
b)
how much salt is in the water
10.
The ocean floor
a)
is always a flat bed of sand
b)
has mountains, plains, and ridges like land surfaces
c)
is covered by the same amount of water everywhere
d)
covers less area than land
11.
As you go deeper in the ocean, the _______ decreases.
a)
water
b)
salinity
c)
temperature
d)
water pressure
12.
What do the arrows represent in the picture?
a)
waves
b)
currents
c)
tides
13.
What causes the tides to change?
a)
rotation of the Earth
b)
magic
c)
gravitational pull from the moon
d)
ocean currents
14.
The large flat region of the ocean floor is called the
a)
ocean trench
b)
continental shelf
c)
abyssal plain
d)
seamount
15.
The Gulf Stream is
a)
a stream behind the school
b)
a current in the Atlantic Ocean that flows on the eastern coast of North America
c)
a boat
d)
part of the ocean floor
16.
Deep Ocean currents are a result of
a)
Global Wind Patterns
b)
Earth's Rotation
c)
Density
d)
All of the above
17.
The Coriolis Effect is caused by
a)
Earth rotating around the sun
b)
Earth rotating on its axis
c)
The tides
d)
Gravity
18.
Warm ocean currents generally come from
a)
The North Pole
b)
The South Pole
c)
The Equator
d)
Both A and B
19.
Two types of water currents are
a)
local and global
b)
sea and land
c)
surface and deep
d)
warm and cold
20.
Why are surface currents at the surface of the ocean?
a)
colder temperature
b)
colder temperature & more salinty
c)
warmer temperature & less salinty
d)
less salinty
21.
As you go deeper in the ocean, the water is colder and less salty.
a)
True
b)
False
22.
Sunlight strikes this planet most directly at the_____________.
a)
mesosphere
b)
tundra
c)
equator
d)
south pole
23.
Compared with surface currents, deep currents are
a)
colder and less dense.
b)
warmer and less dense.
c)
warmer and denser.
d)
colder and denser.
24.
Which of the following causes water from deep currents to rise to the surface to replace warm currents?
a)
evaporation
b)
freezing of the surface of the water
c)
upwelling
d)
squeezing solids out of the ice down into the water below
25.
What is the cause of rising surface temperatures of the Pacific Ocean, drought in the western United States, and flooding on the Pacific coast of South America?
a)
the Gulf Stream
b)
the Jet Stream
c)
La Nina
d)
El Nino
26.
Temperature and salinity affect the ______ of water.
a)
none of the other choices
b)
wave speed
c)
depth
d)
density
27.
Water that has greater density ______ .
a)
sinks
b)
rises
c)
spins clockwise
d)
is warmer
28.
These tides are the biggest difference between high tide and low tide.
a)
Spring tides
b)
Neap tides
c)
Tide
d)
Ocean
29.
The most common mineral found in the ocean.
a)
Rocks
b)
Salt
c)
Pepper
d)
Garlic
30.
Natural force that creates waves.
a)
Salt
b)
Tsunami
c)
Ocean currents
d)
Wind
31.
Sound waves used to map the ocean floor.
a)
Ocean Currents
b)
Waves
c)
Sonar
d)
Heat waves
32.
a)
Arctic Ocean
b)
Atlantic Ocean
c)
Indian Ocean
d)
Pacific Ocean
33.
a)
Atlantic Ocean
b)
Arctic Ocean
c)
Indian Ocean
d)
Pacific Ocean
34.
How many oceans are there in the world?
a)
7
b)
6
c)
5
d)
4
35.
Oceanography is a broad field that includes specialties such as marine biologists, marine engineers, marine chemists, and more.
a)
True
b)
False
36.
Differences in the moon's and sun's pull on different sides of the Earth cause _________.
a)
gravity
b)
lunar phases
c)
tides
d)
dabbing
37.
The bulge of water on the side of the Earth closest to the moon produces ___________.
a)
high tide
b)
low tide
c)
neap tide
d)
spring tide
38.
What is a difference between spring and neap tides?
a)
Spring tides occur when the earth and sun are IN LINE with the new or full moon.
b)
Spring tides occur when moon in 3rd or 1st quarter phases
c)
Spring tides are LOWER than neap tides
d)
Spring tides occur in Spring and neap tides can occur in any season
39.
Which body has the greater effect on Earth's tides?
a)
Sun
b)
Saturn
c)
Moon
d)
Venus
40.
What do we call a tide that has a large range?
a)
gravity
b)
wind
c)
spring
d)
neap
41.
What do we call tides that have a smaller range that happen when the sun and moon are at right angles to each other?
a)
Neap Tide
b)
Spring Tide
c)
Larger Change
d)
Smaller Change
42.
What 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
43.
What causes tides?
a)
gravity
b)
wind
c)
spring
d)
neap
44.
If tides alternate from high to low and there are two of each type of tide a day, about how many hours will generally be between each different tide?
a)
2 hours
b)
6 hours
c)
12 hours
d)
24 hours
45.
At the same time the sea is drawn to the moon, another tidal bulge takes place on other side of Earth. True or False?
a)
True
b)
False
c)
Maybe
d)
I don't know!
46.
The diagram below shows the alignment of the sun, the moon, and Earth. In which locations are neap tides taking place?
a)
1 and 2
b)
1 and 3
c)
2 and 4
d)
3 and 4
47.
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
48.
How many times per month does a spring tide occur?
a)
Once
b)
twice
c)
three times
d)
it changes every month
49.
What is a difference between spring and neap tides?
a)
Spring tides occur when the earth and sun are IN LINE with the new or full moon.
b)
Spring tides occur when moon in 3rd or 1st quarter phases
c)
Spring tides are LOWER than neap tides
d)
Spring tides occur in Spring and neap tides can occur in any season
50.
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
51.
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
52.
What is a high tide?
a)
Sea pulled TOWARD the moon where Earth is CLOSEST to the moon
b)
Sea pulled AWAY from the moon where Earth is FARTHEST to the moon
c)
Sea pulled AWAY from the moon where Earth is CLOSEST to the moon
53.
Changes in the positions of Earth, the moon, and the sun affect the height of high tides during a month.
a)
True
b)
False
54.
Tides are caused mainly by the differences in how much gravity from the moon and the sun pulls on different parts of the Earth.
a)
True
b)
False
55.
Neap tides occur once a month.
a)
True
b)
False
56.
A neap tide is a tide with the greatest difference between low and high tides
a)
true
b)
false
57.
Tides are the cycle of rising and falling ocean water that repeats automatically every
a)
24 hours
b)
12.5 hours
c)
25 hours
d)
6.25 hours
58.
Water flows toward the high tides, halfway between them causing ____________.
a)
neap tide
b)
high tide
c)
spring tide
d)
low tides
59.
What causes surface waves?
a)
underwater volcanoes
b)
earthquakes
c)
wind
d)
landslides
60.
What is represented at point 2?
a)
wave height
b)
wavelength
c)
crest
d)
trough
61.
What is represented at point 1?
a)
wave height
b)
wavelength
c)
crest
d)
trough
62.
What is represented at point 3?
a)
wave height
b)
wavelength
c)
crest
d)
trough
63.
What is represented at point 4?
a)
wave height
b)
wavelength
c)
crest
d)
trough
64.
Which statement correctly describes the motion of water particles due to the action of waves?
a)
they travel from one crest to another
b)
they move in opposite direction of the wave
c)
they rise and fall in a circular motion
d)
they move back and forth
65.
What is a trough?
a)
highest point on a wave
b)
lowest point on a wave
c)
longest point on a wave
d)
shortest point on a wave
66.
What is a crest?
a)
lowest point of a wave
b)
longest part of a wave
c)
shortest part of a wave
d)
highest point of a wave
67.
When oceans meet continents, the currents change direction and move away. This is called....
a)
Coriolis Effect
b)
Deflect
c)
Continental Deflection
d)
Global WInds
68.
Warm Water Currents begin near the _____________and travel to the______________.
a)
Poles; Equator
b)
Equator; Equator
c)
Poles; Poles
d)
Equator; Poles
69.
Cold Water Currents begin near the _____________and travel to the______________.
a)
Poles; Equator
b)
Equator; Equator
c)
Poles; Poles
d)
Equator; Poles
70.
The Gulf Stream current makes the waters of North Atlantic
a)
cooler
b)
warmer
c)
more dense
d)
less nutrient rich
71.
The California Current (west coast) carries _________ water from canada
a)
Cold
b)
Warm
c)
Freezing
d)
Fresh
72.
When is the oceanography unit test?
a)
Today
b)
Wednesday
c)
Thursday
d)
Friday
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