The Department of Physics and Astronomy participates in the interdisciplinary Bachelor of Science degree in Natural Science which is approved by the California Commission on Teacher Credentialing for the Single Subject credential in Science. The program is described earlier in this chapter. In addition, the department offers the supplementary authorization in physics, described below, for holders of a Single Subject teaching credential in another field. Interested students should contact advisors in both the department and the Charter College of Education. Refer to the undergraduate Charter College of Education section for regulations governing all credential programs.