Weather: Chapter 1, Section 2 Air Pressure

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Author:
lcayward
ID:
231029
Filename:
Weather: Chapter 1, Section 2 Air Pressure
Updated:
2013-08-23 09:05:31
Tags:
Weather Chapter Section Air Pressure
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vocab
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  1. WHAT ARE THE PROPERTIES OF AIR?
    • 1. Air has mass
    • 2. Air has density
    • 3. Air has pressure

    (Michael Did Play)
  2. PRESSURE
    Force pushing down on an area or surface
  3. AIR PRESSURE
    The result of the weight pushing down on a column of air pushing down on an area
  4. DENSITY
    The amount of mass in a given volume of air

    • Density= Mass
    •             Volume

    Mass= Weight
  5. BAROMETER
    An instrument that is used to measure air pressure (barometric pressure or atmospheric pressure)
  6. WHAT ARE TWO KINDS OF INSTRUMENTS USED TO MEASURE AIR PRESSURE?
    1. Mercury Barometer

    2. Aneroid Barometer
  7. ALTITUDE
    Elevation
  8. WHAT HAPPENS TO AIR PRESSURE AS ALTITUDE INCREASES?
    Air pressure decreases
  9. AS AIR PRESSURE DECREASES SO DOES ________
    Density

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