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8.3

Ocean currents

QuestionAnswer
The surface currents in each ocean form ? Gyre
Circular system of currents. Gyre
A ? can affect weather and climate. Ocean Current
Large volume of water flowing in a certain direction. Ocean Current
Some currents move along the water's surface, and others are examples of ? Upwelling
Vertical movement of water toward the ocean's surface. Upwelling
Because of ? ocean currents flow counterclockwise in the southern hemisphere and clockwise in the northern hemisphere. Coriolis Effect
Movement of water to the right or left that is caused by Earth's rotation. Coriolis Effect
A ? is a large volume of water flowing in a certain direction. Ocean Current
Surface currents are caused by ? from the wind. Friction
Surface currents move water ? and extend to about 400 m below the surface. Horizontally
A ? is a circular system of currents. Gyre
The ? effect is the movement of water to the right or left and is caused by Earth's rotation. Coriolis
The vertical movement of water toward the ocean's surface is a ? Upwelling
The vertical movement of water from the surface to deeper parts of the ocean is a ? current. Density
Density currents are caused by density changes, which are brought on by changes in temperature or ? Salinity
The ocean's are a major part of the ? cycle. Water
The Great Ocean Conveyor Belt is a model used to explain how ocean currents circulate ? energy around the Earth. Thermal
Ocean currents affect weather and ? Climate
An ocean current is a large volume of water flowing in a certain direction true or false? true
Friction is generated by wind on water can move the water to form surface currents true or false? true
Surface currents move water vertically and less than 400 m below the surface true or false? false
Earth's rotation causes the Coriolis effect, which influences the direction that ocean currents flow true or false? true
Density currents move water vertically toward the ocean's surface true or false? false
An up welling moves water vertically from the surface to deeper parts of the ocean true or false? false
Density currents are caused by density changes, which are brought on by changes in temperature or wind true or false? false
The oceans are the major source of moisture for the water cycle true or false? true
The Great Ocean Conveyor Belt is model used to explain how ocean currents circulate thermal energy around Earth true or false? true
Ocean currents affect weather and climate by redistributing wind energy true or false? false
What creates ocean currents? wind,friction,c effect,salinity,and density
What is the difference between up welling and density currents? Up welling moves up and density currents move down
Where does up welling occur in the model? Along coastlines
What is a gyre? A circular system of currents
What forms gyres? Surface currents
What affects the size of a gyre? Topography/wind
How are gyres in the northern hemisphere and the southern different? Northern go clockwise Southern go counter clockwise
Write a definition of Coriolis effect. Movement of wind or water to the right or left that is caused by Earth's rotation
List three factors that affect the flow of surface currents Wind,water,thermal energy
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? False
Density currents circulate nutrient-and gas rich water through the ocean true or false? True
Describe the heat transfer that occurs as ocean currents move within there gyres. Heat and water
Created by: taguebra6295
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