Temperature decreases as altitude increases because its heated by Earth’s surface</li></li></ul><li>Stratosphere: <br /><ul><li>Almost all the ozone (including ozone layer) in this layer
As altitude increases temperature increases because UV rays absorbed by ozone</li></li></ul><li>Mesosphere: <br /><ul><li>Temperature decreases as altitude increases
Coldest layer</li></li></ul><li>Thermosphere: <br /><ul><li>As altitude increase temperature increases because oxygen and nitrogen atoms absorb solar radiation</li></li></ul><li>Radiation: <br />All the energy from the sun travels through space through radiation<br />Travels at 300,000 km/s<br />
Scattering: <br />The deflection of solar radiation due to clouds, dust, water droplets, and gas particles<br />Thus sunlight hits the Earth surface from all directions and makes the sky blue<br />
Reflection: <br />When solar radiation reaches the Earth surface it is either absorbed or reflected back into the atmosphere depending on the surface<br />
Absorption: <br />Absorbed solar radiation is converted into infrared waves (heat) and keeps the Earth warm<br />
Greenhouse Effect: <br />The warming of the surface and lower atmosphere of Earth that occurs when carbon dioxide, water vapor, and other gases in the air absorb and re-radiation solar radiation<br />
Conduction: <br />The transfer of heat through a material through direct contact<br />Collisions between molecules in the atmosphere transfer heat energy<br />
Convection: <br />Warm air moves up as cool air sinks due to density differences. <br />
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