www.usgs.gov
www.nssl.noaa.gov/edu/resources
http://earthquake.usgs.gov/learning/kids/
http://edtech.kennesaw.edu/web/earthqu.html
http://volcano.und.edu/
www.fema.gov/kids/images/rumble.htm
http://content.scholastic.com
www.abcteach.com
www.enchantedlearning.com
www.learningpage.com
www.exploratorium.com
www.weather.com
www.school.discovery.com
