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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 east to west
B
counterclockwise
C
from west to east
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
Coriolis Effect.
B
flow of currents and countercurrents at the equator.
C
movement of global winds across the surface of the ocean.
D
deflection of a current against a continent.
3) The curved path of surface currents and global winds are caused by ________.
A
continental deflection.
B
warm air near the equator.
C
convection currents.
D
the rotation of the Earth.
4) Surface currents are caused by _____________.
A
warm water
B
the wind
C
the equator
D
floods
5) Ocean currents in the Northern and Southern Hemisphere turn ___________.
A
against Earth's rotation.
B
in opposite directions.
C
from west to east.
D
clockwise.
6) Which surface current is deflected by the continent of South America?
A
Labrador Current
B
North Equatorial Current
C
California Current
D
Brazil Current
7) As water gets denser, how does it move?
A
gets pushed up toward the poles
B
sinks toward the ocean floor
C
expands toward the warmer water
D
gets pulled up by evaporation
8) Compared with surface currents, deep currents are...
A
colder and more dense.
B
warmer and less dense.
C
colder and less dense.
D
warmer 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 water molecules evaporate, decreasing the water's density.
C
The molecules slow down and move closer together, increasing 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
Plants get the minerals they need for photosynthesis.
B
Surface currents flow away from the shore.
C
Cold-water currents replace warm-water currents.
D
The California Current moves water south from the North Pacific.
11) How do warm-water currents affect the coastal areas along which they flow?
A
They create greater rainfall along the coast.
B
They create unusually cool climates for the latitude.
C
They make the coaster climate cooler than the inland climate.
D
They create unusually warm climates for the latitude.
12) Which statement describes the negative effects of El Nino?
A
Upwelling along the coast of South America occurs after an El Nino.
B
El Nino appears every 2 to 12 years.
C
Sometimes El Nino is followed by La Nina, during which ocean temperatures become cooler.
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
can only be studied out in the open ocean.
B
has so many effects on organisms and land.
C
has so far been completely predictable.
D
affects North America more than any other continent.
14) The two main parts of a wave are the...
A
crest and trough
B
rise and dip
C
wavelength and wave height
D
swell and whitecap
15) Tides alternate between _______ and ________ about every six hours on a daily basis.
A
far and wide
B
North and South
C
high and low
D
East and West
16) Spring tides and Neap tides occur in patterns governed by...
A
changes in the force of the Earth's gravity.
B
the type of ocean currents near where the tides occur.
C
the relative positions of the Earth, moon and sun (the phases of the moon).
D
whether the gravity of the sun or moon exerts a stronger pull.
17) When do the greatest tidal ranges occur?
A
Neap Tides
B
Spring Tides
C
High Tides
D
Low 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
2:10 PM
B
3:00 AM
C
3:00 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
heat, wind
B
energy, wind
C
energy, hurricanes
D
energy, heat
*select an answer for all questions
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