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the transfer of energy through space in the form of visible light and ultra violet rays
the transfer of heat energy through collisions of the atoms or molecules of a substance
the transfer of heat energy in a liquid or gas through the motion of the liquid or gas caused by differences in density
a measure of the average kinetic energy of the atoms or molecules in that substance
the total kinetic energy of all of the particles of the substance
the lowest layer of the atmosphere
lies above the troposphere; colder and drier than air in the troposphere
causes the temperature to increase in the stratosphere
third layer; extends between about 50 and 90 kilometers above Earth's surface
the outermost layer of earth's atmosphere
The lower part of the thermosphere, where electrically charged particles called ions are found.
lines that connect points that have the same temperature
any airborne gas or particle that occurs at a concentration capable of harming humans or the natural envitorment
when the air at Earth's surface is colder than the air above, so convection does not occur