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10-4-15/10-6-15
sicence
| Term | Definition |
|---|---|
| low pressure | cloudy,rainy,stormy |
| high pressre | clear,fair,no clouds,sunny |
| warm front | warm air moves in temp goes up |
| cold front | cold air moves in and temp goes down |
| stationary front | warm and cold front meet-stays for days |
| El nino | an unusual warming of surface water in the eastern pacific near the equator |
| La nina | an unusual cooling of the surface water in the eastern pacific near the equator |
| equator | an imaginary line that divides the earth in half herizontaly |
| hemisphere | one half of earth |
| sea breeze | air that moves from water to land-cool |
| land breeze | air that moves from land to water-warm |
| jet stream | an air current in the upper atmosphere that flows from west to east |
| gulf stream | a warm ocean current in the Atlantic ocean |
| westerlies | direction winds blow across the U.S |
| wind | causes by uneven heating of the earth |