Ocean Currents

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What are ocean currents?

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Ocean currents are large-scale movements of water within the oceans, driven by factors such as wind, temperature, salinity differences, and the Earth's rotation.

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NGSS.MS-ESS2-6

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What causes an increase in density in ocean water?

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An increase in density can occur when warm water loses energy and cools, or when saltier water is present.

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NGSS.MS-PS3-4

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What is the Coriolis Effect?

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The Coriolis Effect is the deflection of circulating air and water due to the Earth's rotation, causing currents to veer to the right in the Northern Hemisphere and to the left in the Southern Hemisphere.

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NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

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What is the Gulf Stream?

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The Gulf Stream is a warm ocean current that flows from the east coast of the United States to the west coast of Europe.

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NGSS.MS-ESS2-6

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What are deep currents?

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Deep currents are regular movements of water that occur far below the ocean's surface, driven by differences in temperature and salinity.

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NGSS.MS-ESS2-6

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What are surface currents?

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Surface currents are movements of water that occur at the ocean's surface, primarily driven by wind.

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NGSS.MS-ESS2-6

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What is upwelling?

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Upwelling is the process where deep, cold water rises to the surface, often bringing nutrients that support marine life.

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NGSS.MS-ESS2-6

NGSS.MS-LS2-3

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What are continental deflections?

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Continental deflections occur when ocean currents change direction upon hitting continents or large landmasses.

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NGSS.MS-ESS2-6

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How does temperature affect ocean currents?

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Temperature affects ocean currents by influencing water density; warmer water is less dense and tends to rise, while cooler water is denser and sinks.

Tags

NGSS.MS-ESS2-6

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What role does salinity play in ocean currents?

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Salinity affects the density of seawater; higher salinity increases density, which can drive deep ocean currents.