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air masses
precipitation
water in the atmosphere
storms
predicting the weather
100
a huge body of air that has similar temperature, humidity, and air pressure at any given height
What is an air mass
100
any form of water that falls from clouds and reaches earths surface
What is precipitation
100
the continuous movement of water between the atmosphere and the earths surface
What is the water cycle
100
a violent disturbance in the atmosphere
What is a storm
100
scientists who study the causes of weather and try to predict it
What is a meteorologist
200
the most common type of precipitation
What is rain
200
the process by which water molecules in liquid water absorb energy and escape into the air as water vapor
What is evaporation
200
a sudden spark, or electric discharge
What is lightning
200
meteorologist use maps, chart, and computers to analyze _________ ________ and to prepare weather forecast
What is weather data
300
when a rapidly moving cold air mass runs into a slowly moving warm air mass and the denser cold air slides under the lighter warm air
What is a cold front
300
round pellets of ice larger than 5mm that form only inside cumulonimbus clouds
What is hail
300
the process by which molecules of water vapor in the air become liquid water
What is condensation
300
a rapidly whirling, funnel-shaped cloud
What is a tornado
300
lines joining places on a weather map that have the same air pressure
What is an isobar
400
when a fast moving warm air mass takes over a slowly moving cold air mass
What is a warm front
400
rain drops that fall through a layer of air that is below freezing that are smaller than 5mm
What is sleet
400
the three main types scientists classify clouds into
What is cirrus, cumulus, and stratus
400
a tropical cyclone that has winds of 119 km/hr or higher
What is a hurricane
400
lines joining places on a weather map that have the same temperature
What is an isotherm