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