The candle warms the air inside the glass, causing higher pressure. After the candle goes out (due to the oxygen being used) the air begins to cool. This cooling air creates lower pressure ...

When the candle is covered with the glass, the flame only has a small amount of oxygen available to it, the amount in the air inside the glass. Once that is used up the flame cannot keep burning ...

In this latest Hub Lab experiment with Phil of Science, we will learn about gasses and how they behave when they come into contact with heat. For the first part, get your three long candles, each ...

[1] Pane of glass [2] Magnet [1] Camera [1] Fire extinguisher; Classroom Assembly. Attach the 90-degree clamps and magnets to the lab stand to make a holder for the pane of glass. Put the glass in.