This document provides a rubric for evaluating student posters on balancing chemical equations. It evaluates posters on four criteria: content accuracy, with up to 7 facts earning the top score; graphics relevance, with all graphics needing to relate to chemistry; attractiveness of design and layout; and grammar, with no mistakes earning the top score. The rubric provides scoring guidelines from 4 (best) to 1 for each criteria to assess the quality and effectiveness of the student posters.