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Purpose:
Students will determine the calories emitted by burning candle wax.
Summary:
As a candle burns, students measure its weight loss and the amount of temperature increase for water positioned over its flame. These data are used to calculate the calories per gram from the wax. Selected food samples may then be compared for their calories per gram.
Objectives Links:
1. D: Compounds
2. A: Chemical Reactions & Energy
Process Skills Checklist
Materials:
- candles
- crucible tongs
- can lids
- ring stands
- coffee cans
- stirring rods
- soft drink cans
- 100 mL grad. cylinders
- centigram balance
- ice
- thermometers
- 250 mL beakers
Safety Concerns:
Precautions for open flames.
Revision Date:
Summer 2001
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