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chpt 13 Ocean Currents
vocabulary for chapter 13 Glencoe Science TN
17
Science
6th Grade
02/11/2013

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Term
basin
Definition
water filled low areas on Earth
Term
salinity
Definition
the amount of salts dissolved in seawater
Term
surface currents
Definition
water that moves horizontally across the oceans
Term
Coriolis effect
Definition
shifitng of winds and surface currents caused by the Earth's rotation
Term
upwelling
Definition
vertical circulation of the oceans that brings cold water to the surface
Term
density current
Definition
current that forms when a mass of sea water becomes more dense than the surrounding water
Term
wave
Definition
rhythmetic movement that carries energy through matter or space
Term
crest
Definition
the highest point of the wave
Term
trough
Definition
lowest point of the wave
Term
breaker
Definition
a collapsing wave
Term
tide
Definition
rise and fall in sea level
Term
tidal range
Definition
the difference between the level of the ocean at high tide and low tide
Term
tidal bores
Definition
a wave that forms where the rising tide enters a narrow river from the sea
Term
high tide
Definition
when the oceans rise
Term
low tide
Definition
when the waters draw back farther into the ocean
Term
spring tide
Definition
when high tides higher and low tides lower than normal
Term
neap tide
Definition
when high tides are lower and low tides are higher than normal
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