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Unit C Chapter 1 Study Guide

STUDY
PLAY
air pressure
the amount that air presses or pushes on anything
barometer
a tool that measures air pressure
air mass
a large body of air that has about the same temperature and humidity
cirrus
often move very quickly across the sky on bright, sunny days. Cirrus clouds often mean that warm air is on the way.
wind vane
a tool that shows wind direction
front
the line where two air masses meet
hygrometer
a tool that measures humidity
cumulus
often seen during fair weather; dome shaped with flat bottoms. Form as warm moist air moves high into the sky.