Assignment: Chemical Activity # 32 Enthalpy Changes in Chemical Reactions

 In Class:

Group Roles

ManagerEnsure that members fulfill their roles and that assigned tasks are accomplished on time.

Recorder:  Record names and roles of group members at beginning of day. Record the official group answer and explanation, along with any important insights and
observations.

Technician:  Performs all technical operations for the group including the use of calculator.

Presentor/Reflector:  Presents oral report to class.  Observes and comments on group dynamics and behavior with respect to learning process.