Materials List: I Breathe WHAT??

Each group should have:

  • One 3" x 5"index card
  • Clear Packaging tape
  • One pair of scissors
  • A piece of string, ~ 20 cm long
  • A (single) hole puncher
  • A microscope (preferred) or magnifying glass
  • A piece of graph paper
  • 2 copies of the Pollution Detector Worksheet
https://www.teachengineering.org/activities/view/cub_enveng_lesson07_activity1