El Nino and La Nina

What are El Niño and La Niña?

• Climate patterns in the Atlantic Ocean

• Ocean currents in the Arctic Ocean

• Weather phenomena in the Indian Ocean

• Climate patterns in the Pacific Ocean

Tags

NGSS.MS-ESS2-6

What is the El Niño-Southern Oscillation (ENSO) cycle?

• A cycle of trade winds

• A cycle of ocean currents

• A cycle of climate patterns

• A cycle of atmospheric pressure

Tags

NGSS.MS-ESS2-6

How often do El Niño and La Niña events occur?

• Every year

• Every two to seven years

• Every century

• Every decade

Tags

NGSS.MS-ESS2-6

What happens to trade winds during El Niño?

• They remain unchanged

• They reverse direction

• They weaken

• They strengthen

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

What is a common effect of El Niño in the southern U.S.?

• No significant change

• Colder temperatures

• Drier conditions

• Wetter conditions

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

What marine life change occurs during El Niño?

• More nutrient-rich water

• More cold-water species

• Increased upwelling

• Decreased phytoplankton

Tags

NGSS.MS-LS2-4

What happens to trade winds during La Niña?

• They reverse direction

• They weaken

• They remain unchanged

• They strengthen

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

How does La Niña affect the hurricane season?

• It makes it more severe

• It has no effect

• It makes it less severe

• It shortens the season

Tags

NGSS.MS-ESS2-5

What is the effect of La Niña on marine life?

• Decreased marine life

• Marine life moves south

• Increased marine life

• No change in marine life

What is the typical duration of El Niño and La Niña episodes?

• Five to ten years

• One to three months

• Nine to twelve months

• Two to three years