anthony,
Worksheets are great. Also, a list for topics for small group discussion often works. A lot of instructors will just show a video or DVD. Although that can fill the time, unless it's directly related to the subject matter, it's really a waste of time. Reviewing past material, outlining chapters, presenting to the class, or moving to a activity like a lab or demonstration are better activities than a video. Even sharing work-related stories of past (good and bad) experiences can be effective because it relates to the subject, is easy to implemment, can be instituted on short notice,… >>>