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8.3

ocean currents

QuestionAnswer
What do you call surface currents in each ocean form circular systems of currents? gyre
What do you call large volume of water flowing in a certain direction can effect weather and climate? ocean current
what are some of the currents that move along the waters surface, and other are examples of vertical movement of water toward the oceans surface? upwelling
Because of the ______ ocean currents flow counterclockwise in the southern hemisphere and clockwise in the northern hemisphere. fill in the blank. coriolis effect
A ocean current is a large volume of _______ flowing in a certain direction. water
surface currents are caused by ________ form the wind. friction
An _________ is a circular system of currents. gyre
surface currents move water _______________ and extend to about 400 m below the surface. horizontally
The vertical movement of water from the surface to deeper parts of the ocean is an _______ current. deep
Density currents are caused by density changes, which are brought on by changes in temperature or ________. climate
The oceans are a major part of the _____________. water cycle
Ocean currents affect weather and _________. salinity
The Great Ocean Conveyor Belt is a model used to explain how ocean currents circulate ________ around earth., thermal energy
An ocean current is a large volume of water flowing in a certain direction. true or false? true
Friction generated by wind on water can move the water to form currents. true or false? true
surface currents wove water vertically and less than 400m below the surface. true or false? false
An up welling is caused as the surface water moves away from shore and deeper water from below rises to replace it. true or false? true
water brought to the surface from deeper water is warm and nutrient-poor. true or false? false
cold water is less dense than warm water. true or false? false
salty water sinks below water that is less salty. true or false? true
density currents circulate nutrient-and gas-rich water through the ocean. true or false? true
ocean currents affect weather and climate bu redistributing wind energy. true or false? false
the oceans are the major source of moisture for the water cycle. true or false? true
Created by: edmonkal5547
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