What is the Earth Made of?



The earth's layers.   Image courtesy of  Lawrence Livermore National Labs
The earth's layers. Image courtesy of Lawrence Livermore National Labs



Core

To find out about the Core, go to these web pages:
http://www.universetoday.com/14382/10-interesting-facts-about-planet-earth/

http://www.scientificamerican.com/article.cfm?id=why-is-the-earths-core-so

Mantle

To find out about the Earth's Mantle, go to these web pages:
http://geology.about.com/od/mantle/tp/mantleintro.htm

http://www.historyoftheuniverse.com/mantle.html

Crust

To find out about the Earth's Crust, go to these web pages:
http://mediatheek.thinkquest.nl/~ll125/en/crust.htm

http://www.bigsiteofamazingfacts.com/what-is-earths-crust-made-of

Lithosphere and Asthenosphere

To find out about the lithosphere and asthenosphere go to these web pages:
http://www.brighthub.com/environment/science-environmental/articles/95875.aspx

http://www.kidsgeo.com/geology-for-kids/0001-the-lithosphere.php



If you want to know more...

Visit the Open University's Geology toolkit: rock types for an interactive explanation of the three main rock types, and The Geology toolkit: the rock cycle: "Use the Geology Toolkit to discover why it is important to know about rocks"