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35 terms

Earth Science-The atmosphere

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Atmosphere
the mass of air surrounding the Earth. Its important because it protects people from the U.V rays.
particulates
Small particles of dust released into the atmosphere by many natural processes and human activities
Gases in the atmosphere
78% Nitrogen,.9% Argon, 20% Carbon Dixoide
Atmospheric Pressure
the pressure caused by the weight of the atmosphere. The tool use to find it is called a baramoter.
Earth is
4.6 billion years old
Outgassing
release of gasses from Earth's interior. In the earely stages volcanes brought outgassing.
Troposphere
the layer closest to Earth, where almost all weather occurs; the thinnest layer
startosphere
the layer above the troposphere where airplanes fly in.
Mesosphere
the layer middle layer and temperature decreases as altitude increases
Thermosphere
The uppermost layer of the atmosphere, in which temperature increases as altitude increases
Temperature
the degree of hotness or coldness of a body or environment (corresponding to its molecular activity).
Ozone
a form of oxygen that has three oxygen atoms in each molecule instead of two. protects us from dangerous ultraviolet radiation from the sun
Inosphere
layer of electrically charged particles in the thermosphere that absorbs AM radio during the day and reflects at night
Source
(technology) a process by which energy or a substance enters a system
EM Spectrum
Range of EM frquencies including radio waves, microwaves, infrared, visible, UV, x-rays, and gamma rays.
Absorbed
taken in through the pores of a surface
Reflected
light, sound, images or heat that strikes a surface and bounces back
Scattered
occurring or distributed over widely spaced and irregular intervals in time or space
Albedo
the ratio of reflected to incident light
Terrestrial Radiation
The radiation emmited by the Earth to outer space
Greenhouse effect
warming that results when solar radiation is trapped by the atmosphere
Greenhouse gases
Gases such as carbon dioxide, methane, nitrous oxide, water vapor, and ozone in the atmosphere which are involved in the greenhouse effect.
Wind
air moving (sometimes with considerable force) from an area of high pressure to an area of low pressure
Uneven Heating
sets up patterns of precipitation & prevailing winds, warm air-less dense, collect moisture, rises, cool air-more dense, loses moisture, descends
Convection
the transfer of heat through a fluid (liquid or gas) caused by molecular motion
Coriolis effect
(physics) an effect whereby a body moving in a rotating frame of reference experiences the Coriolis force acting perpendicular to the direction of motion and to the axis of rotation
Wind Belts
formed when air moves out of a high cell to a low cell
Doldrums
a state of inactivity (in business or art etc)
horse latitudes
are regions of high pressue and gentle winds at about 30 degrees north and south latitude
Westerlies
prevaling winds that blow from west to east between 30 degrees & 60degrees latitude in the hemisphere.
Polar easterlies
Prevailing winds that blow from east to west between 60degrees-90degrees latitude in both hemisphere.
trade winds
winds that blow across the Atlantic Ocean west toward the Caribbean
Hadley Cells
convection currents 0-30 degrees north and south of the equator
land brezze
a local wind that blows from the land toward a large body of water
sea brezze
the wind that blows from the sea to land