This is a community of those using "Building Foundations of Scientific Understanding"

Elementary Science Education

A flame’s consumption of oxygen–demonstration

Viewing 0 reply threads
  • Author
    • #8500

      Bernard Nebel

      Air being a mixture of mostly oxygen and nitrogen is commonly demonstrated as shown in the following video. The fact that candles go out demonstrates that a flame depends on consuming air (oxygen). The fact that the candles  go out quickly shows that air far from pure oxygen; about 4/5 of air is another gas, nitrogen. The video explains other aspects of this demonstration.

Viewing 0 reply threads
  • You must be logged in to reply to this topic.