definitions
weather
precipitation
air masses
random
100

A short term atmospheric condition in a specific area at a specific time

weather

100

The amount of water in the air is known as

humidity

100

falling liquid drops larger than 0.2 mm in diameter; may be melted snow

rain

100

dry air which formed over land

continental

100

The downward movement of water through the soil

infiltration

200

most weather changes occur in this layer of the atmosphere

troposphere

200

Height above sea level is known as

altitude

200

falling liquid drops from 0.2 mm to 0.5 mm in diameter

drizzle

200

moist air which formed over water

maritime

200

A radio tracking system that uses the doppler effect to determine the location and velocity of a storm, clouds, and precipitation.

doppler radar

300

the four factors that affect weather are (must get 3 correct to get points)

temperature, humidity, air pressure, winds

300

instrument that measures the speed of the wind is known as

anemometer

300

falling ice crystals formed by combining cloud ice crystals

snow

300

warm air which formed closer to the equator

tropical
300

three factors that determine porostiy

shape, packing, sorting

400

measurement of the average kinetic energy of a substance

temperature

400

study of the conditions of the atmosphere over a long region, over a long period of time

climate

400

solid pellets of ice that form by freezing of rain drops 

sleet

400

cold air which formed at higher latitudes

polar
400

spaces between rocks filled with air

zone of aeration

500

as altitude increases in the troposphere, temperature does what

decreases
500

measurement of the weight of the gases 

air pressure

500

rain or drizzle that freezes on contact with features of Earth's surface.

freezing rain

500

extremely cold air which formed near the poles

arctic

500

when air is saturated and precipitation is likely, what is the relative humidity

100%

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