Provenance
David Thesenga, Alexander Dawson School, CO; National Earth Science Teachers Association (NESTA)
John-Henry Cottrell, Hemet HS, CA; National Earth Science Teachers Association (NESTA)
Annie Scott, U.S. Geological Survey, Youth & Education in Science (YES)
Wendy Bohon, Incorporated Research Institutions for Seismology (IRIS)
Adam Taylor, Dickson County High School, TN

Reuse
This item is offered under a Creative Commons Attribution-NonCommercial-ShareAlike license http://creativecommons.org/licenses/by-nc-sa/3.0/ You may reuse this item for non-commercial purposes as long as you provide attribution and offer any derivative works under a similar license.