5.E.1.1 :: Air Pressure & Wind
humidity
A measure of the amount of water vapor in the air
barometer
An instrument that measures atmospheric (air) pressure
atmosphere
Layers of air surrounding the earth.
weather
The condition of Earth's atmosphere at a particular time and place.
wind
The horizontal movement of air from an area of higher pressure to an area of lower pressure
convection cell
a circular pattern of rising air, sinking air and wind
high pressure system
air is heavy, lower/cooler temperatures, clear skies, little or no precipitation
low pressure system
air is light, brings warmer temperatures, high cloud cover, high winds, much precipitation
atmospheric pressure
another word for air pressure
altitude
height above sea level (above the Earth's surface)
land breeze
movement of air from land to sea at night, created when cooler, denser air from the land forces up warmer air over the sea
sea breeze
movement of air from sea to land during the day when cooler air from above the water moves over the land, forcing the heated, less dense air above the land to rise
air pressure
the pressure caused by the weight of a column of air pushing down on an area