20 terms

Water cycle/weather instruments

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Water cycle
the constant cycle of water from Earth to the atmosphere and back to Earth again
Evaporation
the process of water being heated up and turning into a gas (water vapor)
condensation
the process of cold air turning water vapor back into water droplets forming clouds
precipitation
when the clouds get so heavy they drop in the form of precipitation (rain, hail, sleet, snow)
transpiration
the evaporation of plant water
run-off
Is water that runs off the ground into lakes, rivers, or streams
groundwater
Water that is located below the surface of the ground
thermometer
instrument for measuring air temperature
hygrometer
An instrument used to measure the amount of humidity or water vapor in the air.
anemometer
An instrument used to measure wind speed
barometer
An instrument used to measure air pressure
wind vane
Instrument used to measure wind direction
rain gauge
instrument used to measure rainfall
accumulation
a collection of water such as oceans, rivers, ponds, streams
front
a place where two air masses meet
air mass
a large body of air that has similar temperature and humidity throughout
high pressure system
cooler temperatures, fair weather
low pressure system
warm temperatures, stormy weather
weather
condition of atmosphere at a certain time
climate
long term weather patterns
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