http://google.com

http://ask.com

http://dogpile.com

http://www.factmonster.com/

http://www.yahoo.com

http://www.wikipedia.org/

http://www.worldclimatereport.com/index.php/2005/05/10/global-warming-something-new-under-the-sun/

http://guest.portaportal.com/mcgoey

http://www.zerofootprintkids.com/kids_home.aspx

http://dictionary.factmonster.com/solar-battery

http://www.weatherwizkids.com/earthquake1.htm

http://scign.jpl.nasa.gov/learn/eq1.htm

http://en.wikipedia.org/wiki/Earthquake

http://www.nationalgeographic.com/forcesofnature/interactive/index.html

http://www.scemd.org/library/DisasterMitigation/Earthquake/EQBackgrounder.pdf