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WorksheetsOceans
Total questions: 25
Worksheet time: 46mins
Sarah can float more easily in ocean water than in water in a swimming pool. Why is it easier for her to float in ocean water?
ocean water is denser
ocean water is deeper
there is a larger volume of ocean water to float in
she has a smaller mass in ocean water
Which best describes the Gulf Stream?
A cold ocean current that cools the weather off near Australia.
A cold ocean current that helps decrease global warming.
A warm ocean current that influences weather along the east coast of the U.S. and up toward Europe.
A warm ocean current that influences weather in Cuba and moves toward Antarctica.
How do deep ocean currents form?
The form as warm, dense water sinks and flows beneath cold ocean water.
They form as cold, dense water sinks and flows beneath warm ocean water.
They form as warm, dense water sinks and flows with other warm ocean water.
The wind blows causing the deep ocean currents.
What phenomenon does the Coriolis Effect arise from?
Rotation of the Earth on its axis.
Revolution of the Earth on its axis.
Curvature of the Earth’s surface.
Effect of winds high in the atmosphere.
What happens to the ocean as depth increases?
temperature increases
salinity decreases, temperature decreases
pressure decreases
temperature decreases, salinity increases
Ocean currents have an effect on which two things
climate and weather
land and sea
temperature and density
equator and poles
Which two features together control the density of seawater?
temperature and sea depth
salinity and plankton concentration
temperature and salinity
salinity and depth
How does warm-water currents affect the coastal areas along which they flow?
cool the coast
cause snow to fall
warm the coast
cause higher tides
Look at the picture. Which of the following statements best explains why the city of Hopedale is cooler than the city of Stornoway?
Hopedale has a longer duration of isolation each day.
Hopedale is influenced by a cold ocean current.
Stornoway is farther from the equator
Stornoway is on a different continent
A large stream of water that flows through the ocean.
Tide
Wave
Current
Wind
Ocean water contains dissolved salt, known as ___________.
tides
salinity
depth
currents
As oceans become deeper, the water temperature ___________________.
increases
decreases
stays the same
As oceans become deeper, the water pressure ___________________.
increases
decreases
stays the same
As oceans become deeper, it gets ___________________.
lighter
darker
The water deeper in the ocean is _________________
saltier
less salty
Which best describes El Nino?
The water in the Pacific Ocean gets warmer than normal and causes fewer hurricanes to form
The water in the Pacific Ocean gets colder than normal and causes more hurricanes to form.
The water in the Pacific Ocean gets colder than normal, and the flow of the jet stream is disrupted
The water in the Pacific Ocean gets warmer than normal, and the flow of the jet stream is disrupted.
During El Nino, what happens to the amount of precipitation a region receives?
There is no precipitation
The amount of precipitation increases
The amount of precipitation decreases
The amount of precipitation does not change
Which best describes the Gulf Stream?
an ocean current which originates in the Gulf of Mexico and causes warm water to travel up the east coast of the United States
an ocean current which originates in the Gulf of Mexico and causes cool water to travel up the east coast of the United States
an ocean current which originates in the Gulf of Mexico and causes warm water to travel down the east coast of Mexico
an ocean current which originates in the Gulf of Mexico and causes cool water to travel down the east coast of Mexico
Which of the following movements of ocean water has the greatest direct effect on the growth of producers?
upwelling
deep current
surface current
convection current
Because the Earth rotates on its axis, circulating air is deflected toward the right in the Northern Hemisphere and toward the left in the Southern Hemisphere.
Ocean Currents
Continental Deflections
Coriolis Effect
Upwelling
