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7.11 Mrs. Jensen
Ocean Motion
11
Science
7th Grade
04/12/2011

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Term
basin 7.11.1
Definition
______ is the low area on Earth that contains an ocean.
Term
salinity 7.11.1
Definition
______ is the measure of the amount of salts dissoved in seawater, which is usually measured in grams of salt per kilogram of water.
Term
wave 7.11.3
Definition
______ is a rhythmic movement that carries energy through matter and space.  In the ocean, they move through sea-water.
Term
surface current 7.11.2
Definition
______ is an ocean current that moves water horizontally, parallel to Earth's surface, and is powered by winds and distribute heat from equatorial regions to other regions of Earth.
Term
upwelling 7.11.2
Definition
______ is circulation in the ocean that brings deep, cold water to the ocean surface.
Term
density current 7.11.2
Definition
______ is an ocean current that forms when more dense seawater sinks beneath less dense seawater.
Term
tidal range 7.11.3
Definition
______ is the difference between the level of the ocean at high tide and low tide.
Term
breaker 7.11.3
Definition
______ is an ocean wave that collapses forward and breaks onto the shore because its top outruns its bottom.
Term
tide 7.11.3
Definition
______ is the daily rise and fall in sea level that is caused by a giant wave that is only 1 meter to 2 meter high but is thousands of kilometers long.
Term
crest 7.11.3
Definition
______ is the highest point of a wave.
Term
trough 7.11.3
Definition
______ is the lowest point of a wave.
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