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Ch.15 The Atmosphere

Ch. 15 The Atmosphere

Atmoshpere A mixture of gases that surrounds a planet or moon.
Air pressure The measure of the force with which air molecules push 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 in which temperature increases as altitude increases.
Mesosphere The layer of the atmosphere between the stratosphere between the stratosphere and the thermosphere and in which temperature decreases as altitude increases.
Thermosphere The uppermost layer of the atmosphere, in which temperature increases as altitude increases.
Ionosphere An area between the Mesosphere and the Thermosphere where particles become electrically charged - Aurora's occur here.
Radiation The transfer of energy as electromagnetic waves.
Thermal Conduction The transfer of energy as heat through a material.
Convection The transfer of thermal energy by the circulation or movement of a liquid or gas.
Greenhouse effect Then natural warming of Earth's atmosphere when carbon dioxide, and water vapor absorb and reradiate thermal energy.
Global Warming/Climate Change A gradual increase in average global temperatures brought on by too much carbon dioxide.
wind The movement of air caused by differences in air pressure.
Coriolis 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° and 90° latitude in both hemispheres.
Westerlies Prevailing winds that blow from west to east between 30° and 60° latitude in both hemispheres.
Trade Winds Prevailing winds that blow northeast from 30° North or 30° South to the equator.
Jet Stream A narrow belt of strong winds that blow in the upper troposphere.
Created by: cslavens