ROWLAND, Stephen M., Department of Geoscience, University of Nevada Las Vegas, Box 454010, Las Vegas, NV 89154-4010, HOPKINS, Jenelle, Science Department, Centennial High School, 10200 Centennial Parkway, Las Vegas, NV 89149, JALBERT, Dan, Science Department, Clark County School District, 5100 West Sahara, Las Vetgas, NV 89146, WRIGHT, Valerie, Science Department, Clark County School Distrrict, 5100 West Sahara, Las Vegas, NV 89146, SALVAREZ, Jenny, Science Department, Clark County School District, 5100 West Sahara, Las Vegas, NV 89146 and RUDD, Lawrence P., School of Education, Nevada State College, 1125 Nevada State Drive, Henderson, NV 89002, steve.rowland@unlv.edu, steve.rowland@unlv.edu