An explicit goal of the current reform movement in science education is to promote scientific literacy in the United States. One way to encourage scientific literacy is to help students develop a better understanding of science subject matter, that is, the declarative knowledge specifically associated with the physical, life, and earth sciences.…

This is an exciting time to be in science education. New science standards are being developed by a group of science educators from across the country, working with 26 states in a process managed by Achieve, Inc., a non-profit education reform organization. The development of the "Next Generation Science Standards" (NGSS) promises to be the most…