Patterns in Ocean Circulation

What causes surface currents north and south of the equator to move in different directions? 

• Gases in the ocean

• The rotation of the Earth

• Temperature differences

• Continental deflection

Tags

NGSS.MS-ESS2-6

Why are surface currents at the surface of the ocean?

• colder temperature

• colder temperature & more salinty

• warmer temperature & less salinty

• less salinty

Tags

NGSS.MS-ESS2-6

Ocean currents affect climates around the world. Based on the map, which area MOST likely has a warmer climate than expected?

• 1

• 2

• 3

• 4

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NGSS.MS-ESS2-6

Ocean currents bring warm water from the equator towards Earth's

• Southern Hemisphere

• Continents

• Equator

• Poles

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NGSS.MS-ESS2-6

What do we call the constantly moving system of deep-ocean circulation driven by differences in temperature and salinity?

• California Current

• Global Conveyor Belt

• Surface Currents

• Gulf Stream

Tags

NGSS.MS-ESS2-6

In both the Indian and Pacific Oceans, deep water begins to warm up and ______________, joining back in with the Gulf Stream.

• sinks

• rises

• freezes

• evaporates

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NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

Why is upwelling (deep water moving to the surface) important?

• Upwelling makes the ocean more salty.

• Upwelling provides nutrient rich water that sustains life

• Upwelling controls the tides

• Upwelling helps sailors to navigate the seas

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS2-3

Two types of ocean currents are

• local and global

• sea and land

• surface and deep

• warm and cold

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NGSS.MS-ESS2-6

Deep Ocean currents caused by

• Global Wind Patterns

• Earth's Rotation

• Differences in density

• All of the above

Tags

NGSS.MS-ESS2-6

Explain the process of water circulation in the oceans.

• Water circulation in the oceans is caused by the gravitational pull of the moon.

• Water circulation in the oceans is solely driven by temperature differences.

• Water circulation in the oceans is driven by a combination of factors including wind, temperature, and density differences.

• Water circulation in the oceans is primarily influenced by the rotation of the Earth.

Tags

NGSS.MS-ESS2-6