CHAPTER 15 vocabulary words

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Terms in this set (...)

atmosphere
a mixture of gases that surround a planet or moon
air pressure
the measure of the force with air molecules on a surface
troposphere
the lowest layer of the atmosphere, in which temperature decreases at a constant rate as altitude increases
stratosphere
the layer of the atmosphere that is above the troposphere and which temperature increases as altitude increases
mesosphere
the strong, lower part of the mantle between the asthenosphere and the outer core, also the layer of the atmosphere
thermosphere
the uppermost layer of the atmosphere.In which temperature increases as altitude increase
radiation
the transfer of energy as electromagnetic waves
thermal conduction
the transfer of energy as heat through a material
convection
the movement of matter due to differences in density the transfer of energy due to the movement of matter
global warming
a gradual increase in average global temperature
greenhouse effect
the warming of the surface and lower atmosphere of earth that occurs when water vapor, carbon dioxide, and other thermal gases absorb and reradiate thermal energy
wind
the movement of air caused by differences in air pressure
Criolis effect
the apparent curving of the path of a moving object from an otherwise straight path due to the Earth's rotation
polar easterlies
prevailing winds that blow from east to west between 60 degrees and 90 degrees latitude in both hemispheres
westerlies
prevailing winds that blow from west to east between 30 degrees and 60 degrees latitude in both hemispheres
trade winds
prevailing winds that blow northeast from 30 degrees north latitude to the equator and blow southeast from 30 degrees south latitude to the equator
jet stream
a narrow belt of strong winds that blow in the upper trosphere
air pollution
the contamination of the atmosphere by the introduction of pollutants from human and natural sources
acid precipitation
rain, sleet, or snow that contains a high concentration of acids