http://nagt.org/nagt/vepp/examples/46370.html#discussion http://nagt.org/nagt/vepp/examples/46370.html#post13136 http://dsc.discovery.com/convergence/pompeii/interactive/interactive.html

You can use this site as part of the pre-lab activity... students can combine gas and lava viscosity to make different types of volcanic eruption on line]]> PRAJUKTI Bhattacharyya 1280531700 http://nagt.org/nagt/vepp/examples/46370.html#post13136