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- place the empty beaker on the trivet
- place a candle in it
- light the alcohol lamp
- melt the candle
- the candle has melted and become liquid
- weigh the candle in its liquid state
- the candle can be hardened quickly
- the candle has solidified and is now a solid. Weigh it.
<Results
- You can see that the mass of the candle when it was melted and when it cooled again, the mass did not change, but the volume did.
- When a substance changes state! Mass remains unchanged, volume changes
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