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Chapter 11 vocab /ES

Vocab

QuestionAnswer
What is Troposphere? Contains most of the mass of the atmosphere Is the closest layer to Earth Surface.Weather occurs in the troposphere.air temp decrease altitude increases
What is Stratosphere? Is above the tropopause. Is air temp increases with altitude.Contains ozone layer.
What is Mesosphere? Above the stratopause.Air temp decreases with altitude.
What is Thermosphere? layer between 100km and 500km above earth surface.low density of air causes the temp. to rise.
What is exosphere? The outermost layer of earths atmosphere.the number of atoms and molecules in the exosphere becomes very small as altitude. increases.
What is radiation? Transfer of thermal energy by electromagnetic waves.
What is conduction? Transfer of thermal energy between objects when their atoms or molecules collide.
What is Convection? Transfer of thermal energy by the movement of heated material from one place to another.
What is Temperature Inversion? Increase in temp. with height in an atmospheric layer.
What is Humidity? The amount of water vapor in the atmosphere at a given location on earths surface.
What is Saturation? When the amount of water vapor in a volume of air has reached the maximum amount.
What is Relative Humidity? The amount of water vapor in a volume of air relative to the amount of water vapor needed for that volume of air to reach saturation.
What is Dew Point? The temp. in which air must be cooled at constant pressure to reach saturation.
What is Latent Heat? The extra thermal contained in water vapor compared to liquid water.
What is Condensation Nucleus? Small particle in the atmosphere around which water droplets can form.
What is Orographic Lifting? When air mass is forced to rise over topographic barrier.
What is Cumulus? Clouds are puffy lumpy looking clouds that usually occur below 2000m.
What is Stratus? Layer sheet like cloud that covers much or all of the sky in a given area.
What is Precipitation? All forms of water that fall from clouds to the ground.
What is Coalescence? Clouds droplets collide and join together to from a larger droplet.
What is cirrus? Clouds made of ice crystals for at heights of 6000m where temperatures are below freezing.
Created by: Tamara Dunn
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