In the candle experiment, one observation is described as a reversible change. What is this change and why is it considered reversible?
The candle wax melting, because it can solidify again when cooled
2 )
The candle wick burning, because it can be replaced with a new wick
3 )
The flame producing light, because it can be extinguished and relit
4 )
The candle decreasing in size, because a new candle can be made from the wax
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