The TE includes notes, answer keys, and activities needed for teaching Level I. It also includes the additional notes and activities required to teach Level II health. The Blackline masters provide materials needed to teach Level I (with an additional study of Consumer Education, crossword puzzles and reviews) and Level II topics such as dating principles, sexually transmitted diseases, and sex education (for instructors to use at their discretion). The ST covers a variety of topics including nutrition, exercise, personal hygiene, safety, and disease . Teaching Health Level II requires the ST, TE, and BLMs in order to cover all of the material tested in the Level II Health Tests.