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15 Cards in this Set

  • Front
  • Back
Atmosphere
The mass of air surrounding a planet
Atmospheric Pressure
The pressure exerted by the atmosphere on all objects within it
Barometer
An instrument used to measure atmospheric pressure
Homosphere
The lower layer of earth's atmosphere which exists from ground level to roughly 50 miles above sea level
What are the three regions of the homosphere?
Troposphere, Stratosphere, mesosphere
Troposphere
The region of the atmosphere that extends from ground level to 7 miles above sea level
Stratosphere
The region of the atmosphere that spans altitudes of 7 miles to 30 miles
Mesosphere
The region of the atmosphere that spans altitudes of 30 miles to 50 miles
Heterosphere
The upper layer of the earth's atmosphere which exists higher than 50 miles above sea level
Jet Streams
Narrow bands of high-speed winds that circle the earth, blowing from west to east
Heat
Energy that is being transferred
Temperature
A measure of the energy of motion in a substance's molecules
Thermosphere
The region of the atmosphere between altitudes of 80km and 460 km
Exosphere
The region of the atmosphere above an altitude of 460km
Ionosphere
The region of the atmonsphere between the altitudes of 65 km and 330 km where the gases are ionized