This course provides students with hands-on experience in assisting in the supervision of laboratory courses. Students will receive a formal introduction to chemical safety and practical experience in preparing and handling chemical materials. One lecture hour plus three hours of practicum per week. (CHEM 413 counts for credit only in Option III of the major for those pursuing Teacher Certification.) Prerequisite: Consent of instructor. Credit, 1 hour. (May be repeated). Offered fall and spring semesters.