El Nino, La Nina, Southern Oscillations, Upwelling, Ocean Surface Cooling

During a(n) ____ event, trade winds are in the same direction as normal but much stronger than usual.

• El Nino

• La Nina

• Normal

• Partly sunny

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Normally, el nino and la nina events occur in the:

• Atlantic Ocean

• Pacific Ocean

• Arctic Ocean

Tags

NGSS.MS-ESS2-6

The normal direction of the wind and flow of warm water in the Pacific is in a ___________ direction

• notherly

• easterly

• westerly

• southerly

Tags

NGSS.MS-ESS2-6

Both El Nino and La Nina have this in common

• Influence birds that migrate over the ocean

• Influence rainy / dry weather world wide

• The weather at the polar regions

• The directions that ships travel in the oceans

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

During an El Nino, trade winds are typically _______ and ocean currents sometimes flow in the ________ direction to which they normally

• about average, same

• stronger, opposite

• weaker, opposite

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

The diagram shows how La Niña occurs when Pacific trade winds that are blowing east to west strengthen. Use the diagram and your

knowledge of science to answer any questions that follow.

• Wetter weather throughout the United States.

• Drier weather throughout the Southern United States.

• Zone of low pressure off the west coast.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

During an El Nino year, Australia may experience ________ and _________that can cause crop failure

• drought, rain

• coldness, hurricane

• drought, wildfires

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

The picture represents a(n) ___ event.

• El Nino

• La Nina

• Non-El Nino (normal conditions)

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

ENSO means

• El Nino Southern Oscillation

• El Nina Southern Oscillation

• El Nino Southwest Oscillation

• El Nina Southern Observation

Tags

NGSS.MS-ESS2-6

La Niña is characterized by ______________ of the Western Pacific Ocean.

• a warming

• a cooling

• average temperatures

Tags

NGSS.MS-ESS2-6