The Nat Geo website has great information as well as an informational video near the bottom of the webpage.
Check it out!
Watch video of erupting volcano experiment
Download Instructions Here!
VolcanoLive...this site shows live cams of different volcanoes!
Wonderopolis Wonder - Volcanoes
Volcano Site with list of all volcanoes
Full Screen Pics
Rock Cycle and VolcanoesVolcanoes-List of MORE LINKS
Ward's Natural Science-Volcanoes
Top Ten list
Science Bob's Volcano Experiment
Weather Wiz Kids
Baking Soda Volcano Experiment