A barometer is a scientific instrument used in meteorology to measure
atmospheric pressure. Pressure tendency can forecast short term changes in the
weather. Numerous measurements of air pressure ar...
An instrument that measures air pressure is called a barometer. One of the first
barometers was developed in the 1600s. The original instrument had mercury in
Sep 19, 2011 ... As air pressure increases—that is, as the air becomes heavier—it pushes ... of
mercury in the tube provides a precise measure of air pressure.
There are several types of barometric instruments that measure air pressure. The
first mercurial barometer, invented in 1643, consisted of an overturned glass ...
Jun 11, 2010 ... Even though we can't see air, it is real and has pressure. ... A barometer is a
weather instrument used to measure atmospheric pressure.
Mar 29, 2016 ... A barometer is a widely used weather instrument that measures atmospheric
pressure (also known as air pressure or barometric pressure) ...
The centers of storms are areas of relatively low air pressure, compared to ... The
instruments that measure air pressure are called barometers, from Greek words ...
Air pressure is the result of the weight of tiny particles of air (air molecules) ...
Meteorologists measure these changes in the air to forecast weather, and the tool
To ensure that the temperature of the surrounding air is the same as the ... An
aneroid barometer is a more compact instrument for measuring pressure.
barometer, instrument for measuring air pressure. baroscope, weather-glass.
bathymeter, instrument for recording contours of deep oceans. bathythermograph