8.5.4: Describe the Greenhouse Effect

The Greenhouse Effect

When the sun's energy reaches the earth, some of it is radiated back to space and the rest is absorbed by gases in atmosphere. These gases are known as greenhouse gases. The absorbed energy warms the earth's surface. This process is called the Greenhouse Effect.

The video HERE will give a better detailed understanding of the process.

The image below summarizes the Greenhouse Effect:

Summary of process of Greenhouse Effect

HERE is another short video on greenhouse effect.


  1. 12 Mar. 2009 http://staffwww.fullcoll.edu/tmorris/an_inconvenient_truth/greenhouse_effect.jpg.
  2. GAIA Builders - Glossary. 12 Mar. 2009 http://www.gaiabuilders.com/glossary.html.