This fee registers one family (may be used by any students in your family) for a one semester young scientist (4th-7th grade) self-paced (recorded) class. You're family will have access to the class for nine months. You may increase the quantity ordered to register for more than one self-paced class. Enter notes in the comments section during the checkout process on this page to indicate name(s) of class(es). The options for self-paced (recorded) 4th-7th grade classes are: 1. Young Scienctist Anatomy & Physiology 2. Young Scientist Biology 3. Young Scientist Chemistry 4. Young Scientist Physics 5. Young Scientist Earth & Space Science.