Materials List:
Efficiency of a Water Heating System
https://www.teachengineering.org/activities/view/cla_activity2_efficiency_heating
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