Unit 10.4.3 - The spirit burner investigation
The spirit burner is demonstrated and discussed. Ethanol is used as a fuel.
Student follow up
The students are instructed to investigate the spirit burner by brainstorming the possible variables involved in any experiment. They are to chose independent and dependent variables that could ostensibly be related, i.e. affect one another (dependent).
They should then plan and carry out the investigation.
A full experimental write up is required
One single lesson is needed for demonstration, discussion and experiment planning.
One double lesson for the experimentation.
Flammable liquids and naked flames.
B3: Energy changes in reactions, endo- and exothermicity; combustion of fuels.