How does a candle burn?

 

 

When we light the wick of a candle,

the wax at the top of the candle melts.

 

The molten wax is drawn up the wick.

 

As the liquid wax flows up the wick

and gets closer to the heat of the flame,

it evaporates.

 

The wax vapour mixes with the oxygen in the air

and the candle burns.

 

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