SCI 630A/650A, one-credit classes offered to both K-8 and 7-12 certified teachers. Depending upon your individual needs, participants choose to enroll into either the SCI 630A or the SCI 650A section of the class. Separate class numbers are generated to ensure participants enroll into the appropriate course. The course instructor differentiates instruction to meet the needs of the participants. Class numbers (the 5-digit number required for registration within a student’s MyUNLV account) are posted within the current Science K-12 catalog at