P2.2-3 - Infrared radiation
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All objects..
..emit and restore infrared radiation
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When an objects is hotter..
..it emits more radiation
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Black body
An object that absorbs all the radiation that hits it
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Black body radiation
Radiation admitted by a black body
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How the temperature of an object changes it absorbs more radiation that it emits
Increases
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How the temperature of an object changes it emits more radiation that it absorbs
Decreases
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Factors affecting the temperature of the earth
absorption of infrared radiation from the sun
emission of radiation from the earth’s surface and atmosphere
Note 
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