1_The Atmosphere

1_The Atmosphere

1. The Air Around You

   • Weather is the condition of Earth's Atmosphere at a particular time and place.
   • The Atmosphere is the envelope of gases that surrounds the planet.
   • Composition of Gases
     • The Atmosphere is made up mixture of atoms and molecules of different kinds.
     • Nitrogin
       • Most common gas in the atmosphere
       • Makes more than 3/4 of the air we breathe
       • Each Nitrogen molecule is made up of 2 nitrogen atoms.
     • Oxygen
     • Carbon Dioxide
     • Other Gases
     • Water Vapour
     • Particles
   • Importance of Atmosphere
   • Air Quality
     • Pollution Sources
     • Smog and Acid Rain
   • Improving Air Quality

2. Air Pressure

   • Air Properties
     • Density
     • Pressure
   • Measuring Air Pressure
     • Mercury Barometers
     • Aneroid Barometers
     • Units of Air Pressure
   • Altitude and Properties of Air
     • Altitude Affect Air Pressure

3. Layers of the Atmosphere

   • Troposphere
   • Theremosphere
   • Stratosphere
   • Mesosphere

4. Energy in Earth's Atmosphere

   • Energy from the Sun
     • Non-Visible Radidtion
     • Visible Light
   • Energy in the Atmosphere
   • Energy at Earth's Surface

5. Heat Transfer in the Atmosphere

   • Thermal Energy and Temperature
     • Measuring Temperature
     • Temperature Scales
   • How Heat is Transferred
     • Radiation
     • Conduction
     • Convection
     • Heating the Tropospere

6. Winds

   • Wind?
     • Measuring Wind
     • Wind-Chill Factor
   • Local Winds
     • Sea Breeze
     • Land Breeze
   • Global Wnds
     • Global Convection Currents
     • Coriolis Effect
   • Global Wind Belts
     • Doldrums
     • Horse Latitudes
     • Trade Winds
     • Prevailing Westerlies
     • Polar Easterlies
     • Jet Streams