Ocean and Air Currents

How does air move away from the poles and toward the equator?

• Warm air near the equator rises and moves to the poles.

• Cool air at the poles sinks and moves to the equator.

  
  

• Warm air at the poles sinks and moves to the equator.

• Cold air near the equator rises and moves to the poles.

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NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

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

Tags

NGSS.MS-ESS2-6

​ ​ ​ _________ and ________ affect the ocean's density and cause the Global Conveyor Belt to travel​

• gravity and the Coriolis Effect

• temperature and salinity

• wind and climate

• temperature and the Coriolis Effect

Tags

NGSS.MS-ESS2-6

Deep Ocean currents are a result of

• Global Wind Patterns

• Earth's Rotation

• Density

• All of the above

Tags

NGSS.MS-ESS2-6

The movement of deep, cold, nutrient filled water to the surface of the ocean after the winds move the warmer water away is called _______.

• Ocean Current

• Upwelling

• Deep Currents

• Surface Currents

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NGSS.MS-ESS2-4

Surface currents are mainly formed by and driven by the ______.

• The Coriolis Effect

• Cold and Warm Water

• Convection

• Winds

Tags

NGSS.MS-ESS2-6

The warm, strong current off the coast of Florida is the ____________.

• Gulf Stream

  Current

• California Current
• North Equatorial Current
• Brazil Current

Tags

NGSS.MS-ESS2-6

When surface currents meet continents they ___?

• Stop moving

• Are deflected (change paths)

• Continue in the direction they were going

Tags

NGSS.MS-ESS2-6