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Chapter 14 - 1 Air Around You
Right Side
Vocabulary
    weather-
    atmosphere-
    ozone-
    Water vapor-

1.    Earth's atmopshere makes conditions on Earth suitable for living things.
    A.  living things need air, warmth and water
2.  Atmosphere made of:
    A.  fig. 2, pg. 441  put in order of decreasing % 

3.  Nitrogen (N2) is the most abundant gas - 78% 
3.    What is the fire triangle?
    A.  represents the 3 components needed for fire to burn
        1.  fuel
        2.  heat
        3.  air
    B.  What is in the air that burns?
        1.  Oxygen (O2)

Summary

Left side
Discover pg. 440
Answer the "think it over"



Chapter 14 - 3 Air Pressure
Right Side
Vocabulary
    density-
    pressure-
    air pressure-
    barometer-
    altitude-

1.  Air has mass
    A.  other properties
        1.  pressure
        2.  density
                D=M/V
                   D= density, M=mass, V=volume
2.  Air pressure
    A.  fig. 9,pg. 452

        1.  air is always around you - in all directions
3.  How do you measure air pressure?
    A.  barometer
        1.  mercury barometer
        2.  aneroid barometer
4.  Altitude
    A.  air pressure (decreases), altitude (increases)
    B.  as air pressure decreases, density decreases
    C.  read pg. 455 - Air at sea level...

Summary

Left side
fig.



Chapter 14 - 4  Layers of the Atmosphere
Right side
Lecture is a figure hand-out.

Left side
wksht.