CERVATO, Cinzia, Dept. of Geological and Atmospheric Sciences, Iowa State University, 253 Science I, Ames, IA 50011, cinzia@iastate.edu and KERTON, Charles, Physics and Astronomy, Iowa State University, Ames, IA 50011

CHANG, Maria D.¹, FORBUS, Kenneth D.¹, USHER, Jeffrey¹, and GARNIER, Bridget², (1) Qualitative Reasoning Group, Northwestern University, 2133 Sheridan Road, Evanston, IL 60208, maria.chang@u.northwestern.edu, (2) SERC, 1 N College Street, Northfield, MN 55057

GARNIER, Bridget, SERC, 1 N College Street, Northfield, MN 55057, bridget.garnier@me.com, ORMAND, Carol J., Science Education Resource Center, Carleton College, 1 North College St, Northfield, MN 55057, CHANG, Maria D., 2133 Sheridan Road, Room 3.207, Evanston, IL 60208, TIKOFF, Basil, Department of Geoscience, University of Wisconsin, 1215 W Dayton St, Madison, WI 53706, SHIPLEY, Thomas F., Department of Psychology, Temple University, Philadelphia, PA 19122, and FORBUS, Kenneth D., Qualitative Reasoning Group, Northwestern University, 2133 Sheridan Road, Evanston, IL 60201

LEHTO, Heather L., Physics and Geosciences, Angelo State University, ASU Station #10904, San Angelo, TX 76909, heather.lehto@angelo.edu and VACHER, H.L., School of Geosciences, University of South Florida, 4202 East Fowler Avenue, NES 107, Tampa, FL 33620

ZENTNER, Nick, Geology, Central Washington University, 400 E University Way, Ellensburg, WA 98926-7418, nick@geology.cwu.edu

CLARY, Renee M., Geosciences, Mississippi State University, MSU, Mississippi State, MS 39762, rclary@geosci.msstate.edu and WANDERSEE, James H., Educational Theory, Policy, and Practice, Louisiana State University, 223 F Peabody Hall, Baton Rouge, LA 70803

HARDER, Vicki, Department of Natural Sciences, Western New Mexico University, Silver City, NM 88062, harderv@wnmu.edu

ANBAR, Ariel D.¹, HORODYSKYJ, Lev², BEN-NAIM, Dror³, and SEMKEN, Steven², (1) School of Earth and Space Exploration and Department of Chemistry & Biochemistry, Arizona State University, Tempe, AZ 85287-1404, Anbar@asu.edu, (2) School of Earth and Space Exploration, Arizona State University, PO Box 871404, Tempe, AZ 85287-1404, (3) Smart Sparrow, LLC, Sydney, Australia

SMITH, Shane V., Sammartino School of Education, Fairleigh Dickinson University, 1000 River Road, T-H2-01, Teaneck, NJ 07666, svsmith@fdu.edu

HYDE, Deborah, Northeastern State University, 601 N Grand Ave, Tahlequah, OK 74464, hyded@nsuok.edu and WYBRANT, Lawrence, Natural Sciences, Northeastern State University, 601 N Grand Ave, Tahlequah, OK 74464