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Vocabulary
Weather Instruments
The Atmosphere
Wind
100
The envelope of gases surrounding the earth
atmosphere
100
instrument used to measure temperature
thermometer
100
What is the most abundant gas in the atmosphere?
nitrogen
100
How is wind named?
by the direction it comes FROM
200
the measure of how hot or cold something is
temperature
200
instrument used to measure wind direction
wind vane
200
What is the second most abundant gas in the atmosphere?
oxygen
200
what does cold air do?
drops, sinks
300
bands of high speed winds about 10 kilometers off earth's surface
jet stream
300
instrument used to measure air pressure
barometer
300
Give an example of a greenhouse gas.
water vapor OR methane OR carbon dioxide OR CFCs
300
Within which global wind patter is north america found?
westerlies
400
the change that earth's rotation causes in the motion of objects and that explains how winds curve
Coriolis Effect
400
instrument used to measure wind speed
anemometer
400
The temporary condition of the earth's atmosphere at a certain time and place
weather
400
the westerlies blow from ___________ to ___________.
west to east.
500
the circulation of fluid as it alternately heats up and cools down
convection current
500
instrument used to measure humidity
sling psychrometer OR hygrometer
500
What ultimately causes weather?
the sun
500
What causes wind?
differences in air pressure