Ontario Teachers' Manuals: Household Management

by Ontario. Department of Education

3. Rub a match vigorously on some surface and observe the result.

Conclusions.—1. The amount of heat required to make fuel burn depends on:

(1) The thickness of the fuel.

(2) The substance composing the fuel.

2. Some substances burn at a very low temperature.

Note.—This will explain the order of laying the fuel for a fire and the use of a match in lighting it.

OXYGEN

Experiments to show the means of obtaining oxygen:

1. Light a candle, set the lamp chimney over it and observe the result.