Chapter 15 Atmosphere

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Chapter 15 Atmosphere

• Review Game

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What percentage of the atmosphere is made up of
Oxygen?21
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2) What percentage of the atmosphere is made up
of nitrogen?78
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3) Why is the atmosphere important to living
things?Provides all gases needed to survive
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4) What is photochemical smog?Interaction of
pollutants and sunlight
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5) What is the biggest source of air
pollution?Fossil fuels
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6) When a barometer is rising what is the air
pressure doing?Rising
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7) When you go up in altitude what happens to the
air density?Decreases
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8) Water in the form of a gas is called (2
words)Water vapor
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9) A powdery material produced by plants for
reproduction is calledPollen
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10) The interaction of pollutants and sunlight is
calledPhotochemical smog
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11) Sulfur oxides and nitrogen oxides combine
with water to produceAcid rain
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12) What does a barometer measure?Air pressure
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13) As the density of air pressure increases,
what happens to the pressure?The pressure
increases
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14) How is an aneroid barometer different from a
mercury barometer?Aneroid barometers do not use
a liquid
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15) What happens to air pressure as altitude
increases?It decreases
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16) The main layers of the atmosphere are
classified according to what?Temperature
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17) The layer of atmosphere where weather occurs
is called?Troposphere
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18) List the main layers of the atmosphere from
the surface upTroposphere, Stratosphere,
Mesosphere, Thermosphere
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19)What does the ozone layers block?Ultraviolet
light
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20) Which layer is closest to outer
space?Thermosphere, (exosphere)
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21) Ozone gas is a form of oxygen with how many
oxygen atoms?3