The 'Opportunities' tab lists the Club's Activities and related volunteer opportunities.  Chairing an event or chaperoning an event are the primary types of opportunities.  There are also year long roles listed in the 'Description of Tasks' tab.  To sign up for an event look for Event Sign up or contact the chairperson.  To run the event, contact the Activities Coordinator.  Chairing an event fulfills your 6 hour requirement.