How the Greenhouse Effect Works
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10 Terms
What is the greenhouse effect?
The process where greenhouse gases trap heat in Earth’s atmosphere
What enters Earth’s atmosphere from the Sun
Solar radiation (light energy)
What happens to solar radiation when it reaches Earth?
Some is reflected, but most is absorbed by Earth
What does Earth release back into space?
Infrared radiation (heat)
What do greenhouse gases do?
They absorb and trap heat in the atmosphere
Why is Earth called the “Goldilocks Planet”?
Because it is warm enough for life
What would Earth’s temperature be without an atmosphere?
About -18 degrees
What is Earth’s actual average tempertaure?
About +15 degrees
What causes the 33 degrees temperature difference?
The greenhouse effect
What analogy is used for the atmosphere?
A blanket around Earth trapping heat