chapter 22 section 1 review page 554 (1-4)
DESCRIPTION
Chapter 22 Section 1 Review Page 554 (1-4). 1. Describe the composition of dry air at sea level. Nitrogen = 78% Oxygen = 21% Argon = 0.9% Other gases (like CO 2 < 0.1%. Gases in the Atmosphere. 2. Identify five main components of the atmosphere. Nitrogen Oxygen Water Vapor - PowerPoint PPT PresentationTRANSCRIPT
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Chapter 22 Section 1 Chapter 22 Section 1 Review Page 554 (1-4)Review Page 554 (1-4)
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1. 1. Describe the Describe the composition of dry air composition of dry air at sea level.at sea level.
• Nitrogen = 78%Nitrogen = 78%
• Oxygen = 21%Oxygen = 21%
• Argon = 0.9%Argon = 0.9%
• Other gases (like COOther gases (like CO2 2 < 0.1% < 0.1%
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Gases in the AtmosphereGases in the Atmosphere
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2. 2. Identify five main Identify five main components of the components of the atmosphere.atmosphere.
• NitrogenNitrogen• OxygenOxygen• Water VaporWater Vapor• OzoneOzone• ParticulatesParticulates
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ParticulatesParticulates
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3. 3. Explain the cause of Explain the cause of atmospheric pressure.atmospheric pressure.
• Atmospheric pressure is caused Atmospheric pressure is caused by the weight of atmospheric by the weight of atmospheric gases as a result of gravity gases as a result of gravity pulling the gas molecules toward pulling the gas molecules toward Earth.Earth.
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Atmospheric PressureAtmospheric Pressure
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Mercury BarometerMercury Barometer
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Aneroid BarometerAneroid Barometer
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4. 4. Identify the layer of Identify the layer of the atmosphere in the atmosphere in which weather occurs.which weather occurs.
• Weather happens in the Weather happens in the troposphere.troposphere.
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Weather Weather in the in the
TropospherTropospheree
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The End…..The End…..