This article profiles a high school physics teacher who received a grant to conduct research, with his own classes, designed to identify students' preconceptions about the physical world, explore ways teachers can use those preconceptions to teach physical laws, and prepare classroom materials that teachers can use to teach physics. (IAH)

Questionnaire results indicate that, although first-year, undergraduate science students (n=109) recognize the correct sources of energy for organisms, they simultaneously hold misconceptions about other essential, but nonenergy-supplying, conditions as sources of energy supply. Occurrence rates for these misconceptions vary with the students'…