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13 Cards in this Set

  • Front
  • Back
atmosphere
A mixture of gasses that surrounds the earth
air pressure
the measure of the force with which the air molecules push on a surface
alititude
the height of an object above the earth's surface
troposphere
lowest layer of the atmosphere, lies right next to the earth, and contains 90% of the atmosphere's total mass
stratosphere
the atmospheric layer that is very thin and contains very little moisture
ozone
a molecule made up of three oxygen atoms
mesosphere
the coldest layer of the atomsphere, just above the stratosphere
thermosphere
the uppermost layer in the atmosphere, where temperature increases again
radiation
the transfer of energy as electromagnetic waves
conduction
the transfer of thermal energy from one material to another by direct contact
convection
the transfer of thermal energy by the circularion or movement of liquid and gas
greenhouse effect
the earth's heating process, in which the gases in the atmosphere trap thermal energy
global warming
a rise in average global temperatures