Materials List: Gumdrop Ozone Depletion Model:
Battling for Oxygen

Each group (regardless of the size of the group) needs:

The following items are optional, depending on the type of activity data analysis conducted:

  • 1 roll of large butcher paper, at least 2 ft. wide x 25 ft. long
  • Marking pens
  • Tape (to hang butcher paper drawings)