Ch 16 1/3: Question Preview (ID: 1647)

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The energy that drives surface ocean currents comes from
a) salinity variation
b) wind
c) waves
d) temperature differences

Because of the Coriolis effect, ocean currents in the Northern Hemisphere are deflected to the
a) left
b) north
c) south
d) right

Ocean currents that move toward the poles are
a) cold
b) warm
c) warm in the Northern Hemisphere and cold in the Southern Hemisphere
d) cold in the Northern Hemisphere and warm in the Southern Hemisphere

What causes surface ocean current to be deflected
a) deep currents
b) the Coriolis effect
c) Earth's revolution
d) global winds

The rising of cold water from deeper layers to replace warmer surface water is called
a) the Coriolis effect
b) reflection
c) a surface current
d) upwelling

Which process does NOT decrease the salinity of waater
a) run off from land
b) formation of sea ice
c) precipitation
d) melting of sea ice

Density currents move
a) vertically
b) horizontally
c) north to south
d) east to west

The horizontal distance between two successive crests is called the
a) fetch
b) wave period
c) wave length
d) wave height

The vertical distance between trough and crest is called the
a) fetch
b) wave height
c) wave length
d) wave period

Which of the following is visible evidence of energy passing through water
a) sea arch
b) density tide
c) wave
d) Coriolis effect

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