WorksheetsMarine Science Test Review - Oceanography
Total questions: 65
Worksheet time: 33mins
Location A is Florida Bay, and Location B is the middle of the Gulf of Mexico. Which of the following is true of Locations A and B?
Location A would have a higher nutrient concentration and a higher turbidity.
Location B would have a higher nutrient concentration and a lower turbidity.
The average salinity of the ocean is
35 ppt
1 ppt
3.5 ppt
100 ppt
The concentration of dissolved salts in water is (a) .
salinity
temperature
density
turbidity
Ocean water density is determined by
temperature
salinity
color
depth
Location A is Florida Bay. Which of the following is the best explanation on why there are increased salinities in Florida Bay, in comparison to the surrounding waters of South Florida?
Florida Bay is a very shallow and warm body of water, with high rates of evaporation.
There are large amounts of freshwater from the flow of the Everglades flowing into Florida Bay.
Which location has a higher salinity?
The tropical Atlantic Ocean, just above and below the equator, where there are high rates of evaporation
The polar regions of the Atlantic Ocean.
Which is more dense?
Cold water
Warm water
In this figure, which is the hydrogen bond?
Bond B
Bond A
Which of the following would INCREASE salinity in a location?
Evaporation
Runoff from land
Ice melting
Heavy rainfall
The water of the Amazon river often looks brown, due to runoff of sediment upstream. This water has a
high turbidity
low turbidity
The thermocline is
an ocean layer where rapid change in temperature occurs
an ocean layer where rapid change in salinity occurs
an ocean layer where rapid change in density occurs
The deep ocean has a constant temperature of around
2°C
0°C
10°C
20°C
The instrument shown here is called a refractometer. You would use this to determine:
the salinity of a water sample
the temperature of a water sample
the turbidity of a water sample
the nutrient levels of a water sample
Without daily tidal circulation, some estuaries would become (a) or hypersaline (very salty) without a constant mixing.
hypoxic (low oxygen)
hyperoxic (high oxygen)
thermohaline
hypnotic
(a) is the vertical difference in water level between high and low tide
tidal range
current
tidal wave
thermohaline circulation
______ are the patterns of rise and fall of the ocean’s surface caused by the gravitational pull between the sun, Earth, and moon.
tides
currents
tidal waves
thermohaline circulation
A location with a diurnal tide will experience low tide every
24
12
6
48
If high tide occurs every 12 hours, then the location has a _______ tide.
semidiurnal
diurnal
nocturnal
seminocturnal
During a full moon, the high tide will be
One of the highest high tides of the month
One of the lowest high tides of the month
The gravitational pull of the earth, the moon, and the sun all influence the oceans. Which one has the strongest impact?
moon
Earth
sun
Andor
What type of tides are to be expected when the sun, Earth, and moon are at a 90° angle?
higher high tides and lower low tides
low high tides and high low tides
higher high tides and higher low tides
lower high tides and lower low tides
What type of tides are to be expected when the sun, Earth, and moon are in line?
higher high tides and lower low tides
low high tides and high low tides
higher high tides and higher low tides
lower high tides and lower low tides
When the moon looks like this, what type of tide is occurring?
spring
neap
When the moon looks like this, what type of tide is occurring?
neap
spring
neither option
The best time to go fishing is when the water is quickly moving. What type of tide(s) would be the best to go fishing?
ebb
flow
slack
high
low
What type of tide will the Port of Tampa experience at 21:00 (9:00pm) on Oct. 1st?
low tide
high tide
flood tide
ebb tide
This image shows the tide chart from Sept. 26th-Oct. 2nd at the Port of Tampa. What type of tide will the Port of Tampa experience at 15:00 (3:00pm) on Oct. 2nd?
low tide
high tide
flood tide
ebb tide
This image shows the tide chart from Sept. 26th-Oct. 2nd at the Port of Tampa. What type of tide did the Port of Tampa experience at 7:02am on Sept. 30th?
low tide
high tide
flood tide
ebb tide
What type of tide did the Port of Tampa experience at 12:02pm on Sept. 26th?
low tide
high tide
flood tide
ebb tide
Select the option that correctly describes how 2 animals have adapted to living in the intertidal zone.
Crabs have hard shells to protect against waves, and barnacles can close their shells to avoid drying out.
Crabs fly to escape predators, and barnacles dig tunnels in sand.
Crabs use camouflage to blend with coral reefs, and barnacles produce venom to hunt fish.
Crabs live only in deep water, and barnacles only survive in freshwater.
The ocean is salty because:
Rivers carry dissolved salts from land to the ocean.
The ocean is made of salt crystals.
Rain adds salt directly to the ocean.
Fish produce salt in the ocean.
Temperature and salinity drive the Global Ocean Conveyor belt by:
causing differences in water density that drive deep ocean currents
increasing the speed of surface waves
creating tides through gravitational pull
generating wind patterns that move water
Upwelling currents bring water to the surface that is (a) and (b) -rich.
fish
is a system of slow moving currents that begins with the downwelling of the North Atlantic Deep Water current and travels through all of the oceans
The Global Ocean Conveyor Belt
Thermohaline circulation
The Gulf Stream
North Pacific Gyre
Cold surface currents cause
foggy conditions
less clouds
arid, dry coastlines (California)
increased rates of evaporation
low evaporation
Warm surface currents cause
high humidity
increased rates of evaporation
heavy rainfall on nearby coasts (Florida in summer)
high cloud cover
low evaporation
Ocean gyres play a major role in maintaining the Earth’s heat balance, because they transfer (a) from the tropics to the polar regions
heat
salt
acid
cold
The (a) is a force resulting from the rotation of the Earth, and gives surface currents a spiral pattern
Coriolis Effect
Coralline Effect
gravitational pull of the moon
__________ drives surface currents by pushing water across the surface
wind
salinity
temperature
Coriolis Effect
The Ocean Conveyor Belt is also called thermohaline circulation because it is driven by
differences in temperature and salinity
Coriolis Effect
winds
Upwelling currents bring water to the surface that is cold and nutrient-rich.
cold and nutrient-rich
warm and nutrient-poor
hot and salty
warm and oxygen-rich
Which gyre is the Gulf Stream part of?
North Atlantic Gyre
South Atlantic Gyre
North Pacific Gyre
Southern Pacific Gyre
Indian Ocean Gyre
The Coriolis Effect affects surface currents by
deflecting them left or right
making them warmer
forcing them downwards
making them faster
Which of the following is true?
Currents traveling from the equator carry a lot of heat energy towards the poles.
Currents traveling from the equator carry a lot of nutrients towards the poles.
Currents traveling from the equator carry a lot of oxygen towards the poles.
There is more cloud formation and rainfall over
warm water
cold water
Which of the following is not true of the Gulf Stream?
it is strongest in the winter
it has a warming effect on the climate of western Europe
it influenced the downwelling in the North Atlantic where thermohaline circulation begins
if it weakened or stopped, climate would be dramatically affected
Downwelling delivers water from the surface to the deep that is rich in
oxygen
nutrients
fish
________ are caused by a sudden release of energy on the seafloor, such as an earthquake or volcanic eruption, that displaces a large volume of water.
Tsunamis
Tidal waves
Ocean currents
Riptides
An isolated undersea hill or mountain usually in the shape of a cone that support biodiverse ecosystems
seamount
abyssal plain
atoll
trench
________ maps show the depths and shapes of underwater terrain.
Bathymetric
Showermetric
Magic
3d
Research vessels map the seafloor by making sonar profiles along carefully navigated, parallel lines called (a) .
transect lines
bisect lines
nautical miles
longitude
Some island chains, like the Hawaiian Islands, are created when a (a) stays in one place in the mantle, but the plate continues to move over it creating a chain of volcanoes.
hot spot
convergent boundary
hydrothermal vent
divergent boundary
(a) is a mapping technique that uses sound waves to measure water depth.
SONAR
LiDAR
GPS
GIS
The Mid-Atlantic Ridge can be seen above sea level in
Iceland
Hawaii
Costa Rica
Japan
What do we call the process of two ocean plates moving away from each other, resulting in magma pushing up through the crust, quickly cooling, and forming new crust?
seafloor spreading
hydrothermal venting
convergence
hot spots
The deepest trench on Earth is the (a) and contains the deepest point on Earth, called "Challenger Deep".
Mariana Trench
Peru Trench
Himalaya Canyon
Grand Canyon
(a) plate boundaries result in trenches and/or volcanic mountains and islands.
Convergent
Divergent
Transform
Paper
Mid-ocean ridges occur at (a) plate boundaries.
divergent
convergent
transform
paper
Which answer best describes the Ring of Fire?
the area where the Pacific Plate boundary collides with other plates, creating lots of volcanic activity outlining the Pacific Ocean.
the area where the Atlantic plate subducts and forms volcanoes along the trench outlining the Atlantic Ocean.
the spherical layer of the Earth filled with magma circulating in convection currents
the line at 0° latitude that surrounds the Earth and has a tropical climate
Oceanic plates subduct under continental plates at convergent plate boundaries, forming deep sea trenches.
True
False
(a) in magma within the mantle push the plates of the lithosphere around, causing these tectonic plates to collide, separate, and slide.
wind currents
giant hamster wheels
conduction currents
Oceanic crust is less dense, older, and thicker than continental crust.
True
False
The tide in the picture is a (a) .
During this tide, the high/low tides will be (b) than usual.
The tide in this picture is a (a) .
During this tide, the high/low tides will be (b) than usual.
Why is the ocean blue?
it reflects the sky
water absorbs colors in the red part of the light spectrum
water reflects colors in the red part of the light spectrum
water absorbs colors in the blue part of the light spectrum
