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Global Weather Patterns
N/A
12
Science
5th Grade
03/22/2013

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Term
Jet Stream
Definition
The narrow band of air that moves around the earth at relatively high speeds.
Term
Ocean Current
Definition
The steady flow of surface ocean water in a prevailing direction. Similar to a vast river within the ocean, flowing from one place to another.
Term
El Nino
Definition
Irregularly recurring flow of unusually warm surface waters from the Pacific Ocean toward and along the western coast of South America. It usually causes rain and floods.
Term
La Nina
Definition
An irregularly recurring upwelling of unusually cold water to the ocean surface along the western coast of South America. It usually causes drought.
Term
Polar Easterlies
Definition
Cold winds that blow from east to west. They are found in the polar regions of the earth.
Term
Trade Winds
Definition
Warm winds that blow from east to west. They are found in the tropical regions of the earth.
Term
Prevailing Westerlies
Definition
Winds found in the temperate regions of the earth that blow from west to east. These winds are found in the United States.
Term
What climate region is the United States found in?
Definition
The temperate region.
Term
How do weather patterns move across the United States?
Definition
From west to east.
Term
Ocean currents that travel FROM the equator TO the polar region bring what type of weather?
Definition
Warm weather.
Term
What happens to the weather as the Jet Stream in the United States drops as winter approaches?
Definition
It gets colder.
Term
True or False: The sun heats the earth unevenly, causing different places to have different temperatures.
Definition
True.
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