Documents ATMOSPHERE Part 2. Water Cycle Air pressure- weight of the atmosphere 1.Caused by gravity 2.14.7...

ATMOSPHERE Part 2 Water Cycle Air pressure- weight of the atmosphere Caused by gravity 14.7 lbs/ sq.in at sea level Barometer- instrument to measure air pressure Two types:…

Documents Air’s density changes two ways heat What happens to the air pressure on my head as the temperature...

PowerPoint Presentation Air Pressure The weight of air. Measured with a barometer in millibars or inches of mercury. Decreases with altitude (less air). CAN CHANGE IF DENSITY…