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30 Cards in this Set

  • Front
  • Back
Liquid to Gas without boiling
Evaporation
Liquid to Gas with boiling
Vaporization
Vapor to Liquid
Condensation
Solid to Gas and Gas to Solid
Sublimation
4 states of matter
Solid
Liquid
Gas
Plasma
What determines the speed of movement of individual molecules?
Thermal Energy = temperature
The temperature at which cooling air becomes saturated with water vapor and begins to condense around condensation nuclei.
dew point
a mass of fine water droplets or ice crystals suspended in the air
clouds
What is the process called when a warm humid air mass rises and its temperature decreases?
adiabatic cooling
a microscopic particle of material such as salt or smoke around which a tiny water droplet forms
condensation nucleus
a small particle of clay or dust shaped like ice crystals that allow humid air to freeze without becoming liquid first
freezing nucleus
water that remains liquid below 0'C
supercooled water
a stratus cloud that is so low it touches the ground
fog
another name for cirrus clouds that are arranged in streaks or bands across the sky
mares' tales
another name for cirrocumulous clouds arranged in rows
mackerel sky
small, slowly falling droplets of rain
drizzle
water that has condensed on a cooler object
dew
water that has sublimated on a cold object
frost
the building of rain drops by the joining of many smaller drops
coalescence
all water that falls from the sky (rain, snow, sleet, hail)
precipitation
precipitation acidified by air pollution
acid precipitation
warm air rising on a sunny day that leads to adiabatic cooling and possibly rain
convection
movement and lifting of warm air over mountains
orographic
When two air masses of different tempertures collide, that boundary between them is called what?
front
a warm air mass lifted by a denser cold air mass
frontal wedging
collision of horizontal air currents
convergence
supercooled water that falls as rain and then freezes on the surface it contacts
freezing rain
ice crystals formed when water vapor sublimates into a special crystalline form
snow
when rain falls through a layer of cold air and forms small, rounded ice pellets
sleet
large ice pellets that begin as large raindrops in cumulonimbus clouds with strong updrafts
hail