Name: _____________ Hr. ___
Weather: Unit Vocabulary
Vocabulary Word
Air Mass
Definition in your own words
A large body of air where ____________ and
____________ content are similar throughout.
Air Pressure
The measure of the ______ with which air
molecules _______ on a surface.
Anemometer
Atmosphere
An instrument used to measure ______ ______.
A mixture of _______ that surround a _____ or a
moon.
Barometer
An instrument that measures atmospheric
_____________.
Cirrus
Thin, _______, white clouds formed at high
altitudes.
Climate
The ___________ weather conditions in an area
over a _______ period of time.
Cloud
A collection of small ___________ ___________
or ______ ___________ suspended in the air.
Condensation
The change of state from a ________ to a
__________ .
Conduction
The transfer of _________ as heat through a
_________.
Convection
The transfer of __________ by the circulation or
movement of a __________ or a __________.
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Vocabulary Word
Coriolis Effect
Definition in your own words
The apparent curving of Earth’s winds due to the
earth’s rotation.
Cumulus
________, white clouds that tend to have flat
bottoms.
Dew Point
The _____________ at which a ______ condenses
into a ___________.
Evaporation
When _________ water changes into
water _________, which is a gas.
Front
Global Warming
The boundary between two ______ __________.
A gradual _____________ in average global
___________________ .
The trapping of __________ in our atmosphere
Greenhouse Effect
due to certain __________ in the air that prevents
heat from leaving the atmosphere.
Hail
Heat
Balls or lumps of ________ that fall from clouds.
The transfer of __________ energy between
__________ of different temperatures.
A severe storm that develops over ____________
Hurricane
oceans with strong winds of more than 120 km/h
with a calm center.
Jet Stream
A narrow belt of ________ _________ that blow
in the upper _________________.
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Vocabulary Word
Lightning
Definition in your own words
An ____________ discharge that takes place
between one positive and one __________ area.
Meteorology
The ____________ of _____________.
Prevailing _____________ that blow from ______
Polar Easterlies
to ___________ between 60° and 90° latitude in
both hemispheres.
Precipitation
Any form of __________ that __________ to the
earth’s surface from the ____________.
Radiation
The transfer of ______________ as
electromagnetic waves.
Relative Humidity
The amount of _____________ in the air
compared to the amount the air can _______.
Stratus
Clouds that form in _________, cover large areas,
often blocking out the sun.
Temperature
Measure of the average ________ of particles in
____________.
Thermometer
An instrument that measures and indicates
___________________ .
Thunder
The ___________ caused by the rapid expansion
of air along an electrical strike.
Tornado
A destructive, ____________ column of air that
has very high wind speeds, is visible as a funnelshaped cloud, and _________ the ____________.
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Vocabulary Word
Trade Winds
Definition in your own words
Prevailing ___________ that blow __________
from ____° north latitude to the equator and that
blow southeast from ______° south latitude to the
equator.
Weather
The ____________ state of the atmosphere,
including ______________, humidity,
precipitation, __________, and visibility.
Westerlies
Prevailing ____________ that blow from
________ to ____________ between _____° and
________° latitude in both hemispheres.
Wind
The movement of __________ caused by
differences in _____ ________________.
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