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Chapter 15 The Atmosphere Note Cards Nitrogen Cycle combustion Burning of … Oxygen, etc. ozone Keeps earth warm; like a blanket remember candle lab! Atmosphere %’s Nitrogen 78% Oxygen 21% Other gases 1% Barometer or Measure air Pressure 2 Kinds of barometers 1. aneroid barometer 2. mercury barometer Aneroid barometer Metal chamber Layers of the Atmosphere Atmosphere Layers From the ground UP 4 thermosphere 3 mesosphere 2 stratosphere 1 troposphere Atmosphere Altitude & Temperature relationship Atmosphere Altitude & relationship From the ground up DIDI D decrease I increase D decrease I increase As Density & Air Pressure Density Increases Air Pressure INcreases altitude Elevation above sea level Altitude The higher UP you go, the less air pressure & Pressurized air suit Air pressure altitude increases air pressure decreases 1 troposphere Most weather happens TROPical storm 3 mesosphere Protects us from M eteors Ionosphere & Exosphere Outer most layer Mass per volume D=M Density V mM M D atmosphere X V the LAYER of GASES around the PLANET radIO waves OZONE Stratopshere ‘pause’ Where a layer pauses, or stops. Upper boundary thermosphere NO upper limit! Outer part of thermosphere satellites T____________ S ___________ M ___________ T __________ Tropo Strato Meso THERMO OZONE O 3 3 oxygen atoms / molecule Water vapor Solid Liquid Gas Air pressure Ozone absorbs _?_ Ultraviolet ray UV rays UVA/UVB CO2 carbon dioxide O2 oxygen
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