El Niño and La Niña / Milankovitch Cycles

What causes La Nina?

• cooling of water in the Atlantic Ocean off the coast of South America
• cooling water off the Atlantic coast of the US
• cooling water in the Pacific Ocean off the coast of South America
• warm water in the Pacific Ocean off the coast of South America

Tags

NGSS.MS-ESS2-6

The El Nino will cause what kind of weather in the southern US?

• cold and dry
• cold and wet
• warm and wet
• warm and dry

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

The El Nino is caused by

• cold water off the Atlantic coast of South America
• warm water in the Pacific off the coast of South America
• warm water in the Pacific off the coast of Mexico
• cold water in the Pacific off the coast of Mexico

Tags

NGSS.MS-ESS2-6

La Nina will cause the weather in Texas to be

• warm and wet
• cold and wet
• cold and dry
• warm and dry

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What time of year do these two events occur?

• during the summer when the ocean water is warming up
• in the summer for El Nino and winter for La Nina
• during the winter around December and January
• During the fall when global temperatures are changing

Why are La Nina conditions especially important to areas such as Texas and California?

• because La Nina brings drought to these farming areas
• because La Nina brings needed rain to these farming areas
• because it brings rain and floods and there are many people in these areas
• La Nina does not really impact these areas like El Nino does

Tags

NGSS.MS-ESS2-6

During a(n) ____ event, trade winds are much stronger than usual.

• El Nino

• La Nina

• Normal

• Partly sunny

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...

• about average

• stronger

• weaker

Tags

NGSS.MS-ESS2-6

The globe on the left shows warmer water in the Pacific Ocean off the coast of South America. This represents a(n)

• El Niño

• La Niña

• Hurricane

• None of the above

Tags

NGSS.MS-ESS2-6