National Science Foundation

This website is based in part upon work supported by the National Science Foundation under
Grant No.s 9950072, 9952597 and 0302527. Any opinions, findings, and conclusions or
recommendations expressed in this material are those of the author(s) and do not necessarily
reflect the views of the National Science Foundation.

Penn State University

Many educational modules on this site were developed while the author was a faculty member in
the Department of Materials Science and Engineering (Polymers), College of Earth and Mineral
Sciences at Penn State University, and a Fellow of the Dutton e-Education Institute.

PREP

A portion of the material was supported as a subcontract of an NSF/ATE grant awarded to Penn
College at Williamsport for development of the Plastics Resources for Educators Program (PREP)