Atmospheric Pressure

Beschreibung

year7 Geography (Weather) Mindmap am Atmospheric Pressure, erstellt von dobby is free am 02/08/2016.
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Mindmap von dobby is free, aktualisiert more than 1 year ago
dobby is free
Erstellt von dobby is free vor fast 8 Jahre
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Zusammenfassung der Ressource

Atmospheric Pressure
  1. In a low pressure system air rises in a clockwise direction
    1. If air weighs less than 1013 millibars, it is the low pressure system
      1. Air expands (becomes lighter) when it is heated
        1. light air is less dense- it is expanding
          1. As warm air rises, it will condense and form clouds
            1. Air that weighs more than 1013 millibars is heavier/denser
              1. If air weighs more than 1013 millibars, it is the high pressure system
                1. Air becomes denser as it is cooled
                  1. This air sinks in an anticlockwise direction
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