ABSTRACT: The Univ. of Maine is participating in the National Science Foundation's (NSF) GK-12 Teaching Fellows program. Between 2000 and 2003, 4 food science graduate students demonstrated food- and nutrition-related science lessons, among other innovative activities. This article includes details of an activity on natural dyes to help students understand plant pigments. Assessment of the NSF GK-12 program is ongoing both locally and nationally. NSF's goals are being met, including one of the most important, which is the effect of NSF Fellows as role models on K-12 students.