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This atmospheric layer's temp. decreases with altitude with the gases mixing continuously
Troposphere
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Narrow belts of winds that can reach 400 km/hr are called
Jet Streams
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This layer contains the ionosphere and temp. can be 1,000 degrees Celsius or higher
Thermosphere
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This layer is known as the middles layer where temp. decreases as altiude increases
Mesosphere
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What causes differences in air temperature at different altitudes?
The way gases absorb solar energy
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What is the major source of human-caused air pollution?
Vehicle exhaust
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Carbon monoxide, dust and smoke put directly into the air are known as
Primary pollutants
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What is acid precipitation?
Rain, sleet or snow with high levels of acid
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Identify the different gases found in the remaining 1% of other gases found in the atmosphere
argon, carbon dioxide, water vapor, methane
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Electrically charges particles are called
ions
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Ovens that circulate hot air inside to cook food more quickly are called _______________ ovens
convection
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What causes differences in air pressure on Earth?
Unequal heating of Earth
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Warm air rises because it is ____________ _____________ than cold air
less dense
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Identify two examples of secondary pollutants
smog and ozone
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Most thermal energy is transferred by
convection
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How long does it take the light from the sun to reach us?
8 minutes
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Wind occurs because of differences in
air pressure
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What is the atmosphere made up of?
a mixture of gases (78% nitrogen, 21% oxygen and 1% other gases)
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What can acid precipitation do to bodies of water surch as lakes and streams?
Acid shock or acidification to aquatic life
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What is the coldest layer of the atmosphere?
mesosphere
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What is the most common gas in the atmosphere?
nitrogen
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Earth's surface absorbs what % of the sun's energy rec'd by Earth?
50%
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This atmospheric layer is responsible for absorbing UV radiation from the sun
Stratosphere
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What is radiation?
Transfer of energy as electromagnetic waves
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What are the 2 lowest layers of the atmosphere?
Troposphere and Stratosphere
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How much energy radiated by the sun reaches Earth?
2 billionths
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A rapid change in a body of water's acidity is called
acid shock
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In the Northern Hemisphere winds traveling north appear to curve east is called
Coriolis Effect
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When the amount of energy received from the sun and the amount of energy returned to space are equal, it is called
radiation balance
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The ozone layer is primarily found in this layer
stratosphere
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Why is air pressure greatest at Earth's surface?
The force of gravity pulls everything toward Earth's surface
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Thermal conduction is the transfer of energy as
heat through a material
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A pan that gets hot on a stove is an example of what kind of energy transfer?
Thermal conduction
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Local winds are produced by
Local geographic features like mountains and shorelines
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Some experts believe that increasing greenhouse gases causes
global warming
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What are the 2 highest layers of the atmosphere?
mesosphere, thermosphere
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In which layer do most meteoroids burn up?
Mesosphere
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What is the densest layer?
Troposphere
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In which layer does weather occur?
Troposphere
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In which layer is there little to no transfer of thermal energy due to low density?
Thermosphere
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