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Surface currents in each ocean form _______________.
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A ___________________ can affect weather and climate.
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Chapter 8 Lesson 3

Oceans

QuestionAnswer
Surface currents in each ocean form _______________. circular systems of currents: gyres
A ___________________ can affect weather and climate. large volume of water flowing in a certain direction: ocean current
Some currents move along the water's surface, and others are examples of ____________________________________. vertical movements of water toward the ocean's surface: upwelling
Because of the ________________________ ocean currents flow counterclockwise in the southern hemisphere and clockwise in the northern hemisphere movement of water to the right or left that is cause by Earths rotation: Coriolis Effect
An _________ 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 current. gyre
The ____________ is the movement of water to the right or left and is caused by Earth's rotation. Coriolis effect
The vertical movement of water toward the Ocean's surface is an _________. upwelling
The vertical movement of water from the surface to deeper part's 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 oceans are a major part of the __________. water cycle
Ocean currents affect weather and ___________. climate
An ocean CURRENT is a large volume of water flowing in a certain direction. true
FRICTION generated by wind on water can move the water to form surface currents. true
Surface currents move water VERTICALLY and less than 400 m below the surface. false/horizontally
In each ocean, the major surface currents form circular systems of currents called DENSITY CURRENTS. false/gyres
Earth's ROTATION causes the Coriolis effect, which influences the direction that currents flow. true
DENSITY CURRENTS move water vertically toward the ocean's surface. false/upwellings
AN UPWELLING moves water vertically from the surface to deeper parts of the ocean. false/a density current
Density currents are caused by density changes, which are brought on by changes in temperature or WIND. false/salinity
The oceans are the major source of moisture for THE WATER CYCLE. true
The Great Ocean Conveyor Belt is a model used to explain how ocean currents circulate THERMAL ENERGY around Earth. true
Ocean currents affect weather and climate by redistributing WIND energy. false/water
What forms gyres in each ocean? currents moving in a circular direction
What affects the size of a gyre? the wind/topography
How are gyres in the northern hemisphere and the southern hemisphere different? gyres in the northern hemisphere are clockwise, and gyres in the southern hemisphere are counterclockwise.
Factors that affect the flow of surface currents. gyres, the Coriolis effect, topography, wind speed/direction.
An upwelling is caused as the surface water moves away from shore and deeper water below rises to replace it. true
Salty water sinks below water that is less salty true
Density currents circulate nutrient and gas rich water through the ocean. true
What two things do ocean currents transfer that affect weather? thermal energy and moisture
Created by: megenkel2162
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