Materials List: Efficiency of a Water Heating System

Each group needs:

  • electric water-heating device (such as a hot plate, hot pot, microwave; it is best to have different appliances among the groups)
  • thermometer
  • graduated cylinder (100 or 500 ml)
  • stopwatch
  • watt meter (can be shared among groups to some extent)
  • insulated pot holder
  • Student Worksheet, one per student