weather 4th grade

created: 6 months ago by mmmoody tags: science

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Leitner-SystemStudy WorldReview All

the process of changing liquid water to water vapor

evaporation

the process of water vapor becoming liquid water when it cools

condensation

any form of water which falls to earth

precipitation

most of the earths atmosphere is made of what invisible gas?

nitrogen

the pushing force of air

air pressure

air pressure increases or decreases an you go higher in the atmoshere?

decreases

when cool air sinks it causes high pressure or low pressure to form

high pressure

the amount of water vapor in the air

humidity

the area were 2 air masses meet

front

cold mass bumps into a
SLOW warm air mass causes what type of front

cold front
usually comes as a thunderstorm

a huge body of air that has the same temperature and humidity

air mass

thick white puffy clouds

cumulus

flat clouds that form close to the earth

stratus

feathery clouds that form high in the sky mares tails

cirrus

very high clouds

alto

rain bearing clouds

nimbus

scientist who study weather

meteorologist

toll to measure air pressure

barometer

tool to measure wind speed

anemometer

show the direction which the wind is blowing

wind vane

measures the amount of rain

rain gauge


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