Compare The Burning Speed Of Scented And Unscented Candles
All 15 candles are lighted up and the stopwatch is started. After 30 minutes, the candles are snuffed out in the same order that they were lighted up earlier. The lengths of all the 15 candles are measured once more using the ruler.
4. The length of candle that was burned up in the 30 minutes is calculated by deducting the final length of the candle from its original length. The results are recorded in the table given below.
The length of candle that was burned in 30 minutes is almost the same for all 3 types of candles. All candles became shorter by 25 to 30 mm in 30 minutes. The average length of candle burned was around 27mm. Candle type | Average length of candle burned in 30 minutes (mm) | Average (mm) | | 1 | 2 | 3 | 4 | 5 | | Apple scent | 28 | 27 | 29 | 25 | 27 | 27.20