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Byers, CE, Lesson 7
Ocean Currents
7
Science
7th Grade
11/29/2011

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Cards

Term
density (pg 80,87)
Definition
amount of mass per unit volume
Term
upwelling(pg. 87)
Definition
the rising of cold, deep water from an ocean bottom
Term
El Nino(pg 87)
Definition
warming of the surface water of the eastern and central Pacific Ocean, occurring every 4 to 12 years and causing unusual global weather patterns. Spanish: literally, the child, i.e., the Christ child, alluding to the appearance of the current near Christmas.
Term
La Nina (pg 95)
Definition
A cooling of the surface water of the eastern and central Pacific Ocean, occurring somewhat less frequently than El NiƱo events but causing similar, generally opposite disruptions to global weather patterns. Spanish: The Little Girl
Term
Gulf Stream,(pg 89)
Definition
a warm ocean current flowing N from the Gulf of mexico, along the E coast of the U.S., to an area off the SE coast of Newfoundland,
Term
surface currents
Definition
movement of water that occurs three to ten feet under the surface of water, near the shore and at about thirty feet out in the deep ocean. Examples: gulf stream
Term
fog
Definition
low lying stratus cloud
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