This document was developed to encourage and aid local schools in the assessment of their science curricula on a continuous basis. It provides: (1) a 21-step implementation schedule for conducting a science curriculum assessment and/or revision; (2) a model for assisting schools in developing their science philosophy, goals, and topics; (3) recommendations for levels at which suggested topics are introduced, reinforced, and emphasized; (4) an instrument for matching local science curriculum needs to available science programs; and (5) instructions for using the cloze procedure to determine whether or not students can read and comprehend science materials. (JN)