Atmosphere/Greenhouse Effect/Heating/Global winds/Convection Cells
Terms in this set (32)
3 ways solar energy enters our atmosphere
Radiation, conduction and convection
Energy transferred by waves
energy is transferred by contact
Energy transferred through circulation
The cycle of warm air rising and cool air sinking causing circular movement.
The 3 types of circulation Cells
Hadley, Ferrel, and Polar
Convection Currents that cycle between the equator, 30 degrees North and South.
Cell that moves air form 30 degrees to 60 degrees latitude
Cells of air circulation occurring between 60 degrees north and south and each pole.
low pressure area
a place where warm air rises and pushes down on the earth's surface with less pressure. We find more rainfall in these areas.
high pressure area
a place where cool air sinks and pushes down on the earth's surface with more pressure. We find clear skies and little rainfall in these areas.
Hadley cells form which global wind?
Ferrel Cells form which global wind?
Northern and southern Westerlies
The Polar Cells form which global wind?
The horizontal movement of air from an area of high pressure to an area of lower pressure
Convection Cells are where...
air travels in many large circular patterns
Prevailing winds that blow from east to west between 60degrees-90degrees latitude in both hemisphere.
prevailing winds that blow from west to east between 30 degrees and 60 degrees latitude in both hemispheres
Prevailing winds that blow northeast from 30 degrees north latitude to the equator and that blow southeast from 30 degrees south latitude to the equator
a frequently windless area near the Equator (0 degrees)
are regions of high pressure with little to no winds at about 30 degrees north and south latitude
The effect of Earth's rotation on the direction of winds and currents.
The curving of the path of a moving object from an otherwise straight path due to Earth's rotation.
The Greenhouse Effect
Natural situation in which heat is retained in Earth's atmosphere by carbon dioxide, methane, water vapor, and other gases.
Warming that results when solar radiation is trapped by the atmosphere.
Greenhouses gases absorb what?
Thermal (heat) energy in the atmosphere
Some examples of greenhouse gases are
carbon dioxide, water vapor, methane and ozone
The greenhouse effect is a ______________________ on our planet.
Differences in air pressure are generally caused by
unequal heating of the Earth.
The equator receives more direct solar energy than other latitudes, so the air is...
warmer and less dense than surrounding air.
At the poles the air is...
colder and denser than the surround air so it sinks.
air circulates because of
temperature differences which causes pressure differences in the atmosphere.
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