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Energy in the Earth's Atmosphere (Energy in the Atmosphere (Some…
Energy in the Earth's Atmosphere
Energy from the Sun
Electromagnetic waves= A from of energy that can move through the vacuum of space
Radiation= Transfer of energy through electromagnetic waves
Visible Light
All the colors one can see in a rainbow
The colors are the result of different wave lengths
Non-Visible Radiation
Infrared radiation= Light from waves that are longer than red light, invisible and can be felt as heat
Ultraviolet radiation= Light from waves that are shorter than violet light, causes eye damage, sunburns and skin cancer
Energy in the Atmosphere
Some sunlight is absorbed or reflected back by the atmosphere
Ozone layer absorbs most of the ultraviolet radiation
water vapor and carbon dioxide absorb some infrared radiation
Clouds dust and other gases absorb energy
Clouds reflect sunlight
Scattering= When dust particles and gases reflect light in all directions, the reason why our skys our blue
Energy at the Earth's Surface
Most of the sun's energy is absorbed my the land and water and turned into heat
The now heated surface radiates energy back into the atmosphere as infrared radiation and gets absorbed again by gases such as carbon dioxide and water vapor forming a heated blanket that holds heat in the atmosphere this is called the greenhouse effect