Science CH4 Flashcards
Evaporation
The process which molecules of liquid water escape into the air after becoming water vapor
Water Cycle
The movement of water through earths systems, powered by the suns energy
Condensation
The process by which water vapor becomes liquid water.
Humidity
A measure of the amount of water vapor in the air
Relative Humidity
The percentage of water vapor that in the air
Psychrometer
An instrument used to measure relative humidity
Dew Point
The temperature at which condensation begins
Cirrus
Wispy, feathery clouds
Cumulus
Clouds that look like cotton
Stratus
Clouds that form in flat layers
Precipitation
Any form of water that falls from the clouds and reaches earths surface
Rain Gauge
An open-ended tube that collects rain
Flood
An overflowing of water in a normally dry area.
Drought
A long period of scarce rainfall or dry weather.
Air mass
Huge body of air in the lowest atmosphere.