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Science, Chapter 17

QuestionAnswer
major gases in the atmosphere and in what percentages do they exist Oxygen (21%) and Nitrogen (78%)
what is the gaseous substance surrounding earth, a mixture of oxygen and nitrogen? air
a molecule of oxygen containing three oxygen atoms. in the upper atmosphere it protects earth from damaging UV rays ozone
4 layers of atmosphere troposphere, stratosphere, mesosphere, thermosphere
where does the weather take place troposphere
summer solstice in the northern hemi June 21/22
summer solstice in the southern hemi December 21/22
autumnal equinox in the northern hemi August 21/22
autumnal equinox in the southern hemi March 21/22
the energy an object possesses due to its motion kinetic energy
which electromagnetic waves have the shortest wave length gamma
which electromagnetic waves have the longest wave length radio waves
transfer of heat through matter by molecular activity conduction
transfer of heat by mass movement or circulation within a substance convection
how fast do electromagnetic waves travel through space? 300,000 km per second
heating of earths surface and atmosphere from solar radiation being absorbed and emitted by the atmosphere, mainly by water vapor and carbon dioxide. the greenhouse effect
how much solar energy is reflected back into space? 30%
dominant heat absorbing gases in lower atmosphere water vapor & carbon dioxide
as you climb in altitude, what happens to temperature? it drops.
what happens to sunlight when it strikes a cloud with high albedo the light reflects back into space
what are isotherms lines that connect points that have the same temperature
how do clouds act like a blanket? by absorbing outgoing radiation emitted by earth and reradiating a portion of it back to the surface
how does the presences of clouds affect nighttime air temperatures? the clouds trap heat in to the surface to keep it warmer
Created by: kjshoemaker
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