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