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Oceans Test Review 2
Test Description: Continued content on Oceanography.
Instructions: Answer all questions to get your test result.
1) In which direction do global winds blow ocean currents near the equator?
A
from west to east
B
from east to west
C
counterclockwise
D
away from the poles
2) Trying to roll a ball straight across a turning merry-go-round is a demonstration of what happens in the...
A
flow of currents and countercurrents at the equator.
B
deflection of a current against a continent.
C
movement of global winds across the surface of the ocean.
D
Coriolis Effect.
3) The curved path of surface currents and global winds are caused by ________.
A
convection currents.
B
warm air near the equator.
C
the rotation of the Earth.
D
continental deflection.
4) Surface currents are caused by _____________.
A
warm water
B
the equator
C
floods
D
the wind
5) Ocean currents in the Northern and Southern Hemisphere turn ___________.
A
in opposite directions.
B
from west to east.
C
against Earth's rotation.
D
clockwise.
6) Which surface current is deflected by the continent of South America?
A
Labrador Current
B
California Current
C
Brazil Current
D
North Equatorial Current
7) As water gets denser, how does it move?
A
gets pushed up toward the poles
B
expands toward the warmer water
C
sinks toward the ocean floor
D
gets pulled up by evaporation
8) Compared with surface currents, deep currents are...
A
colder and less dense.
B
warmer and more dense.
C
warmer and less dense.
D
colder and more dense.
9) When the air above water gets cold, what happens to water molecules?
A
The denser water floats on top of the chilled water.
B
The molecules slow down and move closer together, increasing the water's density.
C
The water molecules evaporate, decreasing the water's density.
D
The water's volume increases as molecules move closer together.
10) Which event does NOT happen as a result of upwelling?
A
Surface currents flow away from the shore.
B
Plants get the minerals they need for photosynthesis.
C
The California Current moves water south from the North Pacific.
D
Cold-water currents replace warm-water currents.
11) How do warm-water currents affect the coastal areas along which they flow?
A
They create unusually cool climates for the latitude.
B
They make the coaster climate cooler than the inland climate.
C
They create unusually warm climates for the latitude.
D
They create greater rainfall along the coast.
12) Which statement describes the negative effects of El Nino?
A
El Nino appears every 2 to 12 years.
B
Rain, flashfloods and mudslides occur in places where there is usually little rain, while wet areas suffer from drought.
C
Sometimes El Nino is followed by La Nina, during which ocean temperatures become cooler.
D
Upwelling along the coast of South America occurs after an El Nino.
13) It is important for scientists to learn as much as possible about El Nino because the weather pattern...
A
has so far been completely predictable.
B
affects North America more than any other continent.
C
can only be studied out in the open ocean.
D
has so many effects on organisms and land.
14) The two main parts of a wave are the...
A
rise and dip
B
crest and trough
C
wavelength and wave height
D
swell and whitecap
15) Tides alternate between _______ and ________ about every six hours on a daily basis.
A
high and low
B
North and South
C
East and West
D
far and wide
16) Spring tides and Neap tides occur in patterns governed by...
A
the type of ocean currents near where the tides occur.
B
whether the gravity of the sun or moon exerts a stronger pull.
C
the relative positions of the Earth, moon and sun (the phases of the moon).
D
changes in the force of the Earth's gravity.
17) When do the greatest tidal ranges occur?
A
Neap Tides
B
High Tides
C
Low Tides
D
Spring Tides
18) Karla is going to search for clams and oysters during low tide. If she knows that low tide is at 3:00 pm today, at what time should she plan to go searching for shellfish tomorrow?
A
3:00 PM
B
2:10 PM
C
3:00 AM
D
3:50 PM
19) Looking into the night sky, you see a full moon. What would be occuring at this time?
A
High Tide
B
Neap Tide
C
Spring Tide
D
Tital Range
20) Waves carry ___________ transferred from the ___________ blowing across the ocean.
A
energy, heat
B
energy, wind
C
energy, hurricanes
D
heat, wind
*select an answer for all questions
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