This is in order of which candle burnt the fastest.
NOTE: All measurements are in centimetres, or otherwise stated.
RED
3mins: 6.9
6mins: 6.5
9mins: 6.2
12mins: 5.3
15mins: 4
18mins: 1.7
21mins: 0.4
End time: 21 minutes and 15 seconds
PINK
3mins: 6.9
6mins: 6.5
9mins: 5.8
12mins: 5
15mins: 4
18mins: 3
21mins: 2.4
End time: 23 minutes and 56 seconds
BLUE
3mins: 7.5
6mins: 6.6
9mins: 6.1
12mins: 5
15mins: 4.4
18mins: 3.6
21mins: 2.5
24mins: 1.3
End time: 25 minutes and 39 seconds
YELLOW
3mins: 7
6mins: 6.2
9mins: 5.6
12mins: 4.3
15mins: 3.6
18mins: 2.5
21mins: 1.5
24mins: 1
End time: 26 minutes and 27 seconds
WHITE
3mins: 6.6
6mins: 6.2
9mins: 5.5
12mins: 4.9
15mins: 4.4
18mins: 3.5
21mins: 2.8
24mins: 1.9
27mins: 1.1
End time: 28 minutes and 36 seconds
GREEN
3mins: 7
6mins: 6.6
9mins: 6.1
12mins: 5.2
15mins: 4.5
18mins: 3.5
21mins: 3.4
24mins: 2.5
27mins: 1.7
30mins: 1.1
33mins: 0.8
End time: 33 minutes and 38 seconds
From this experiment, it was found that the Red coloured candle burnt the fastest. At last my predictions came true! Red was the one to finish first at a time of 21 minutes and 15 seconds. This time, the white coloured candle came second last following behind the Green candle who subsequently was the slowest to burn. At first, the Yellow candle was in the lead to be the one who was going to burn the fastest. When comparing the results of Red and Yellow, at the 15th minute, Yellow measured 3.6cm while Red was 4cm then at the 18 minute mark, Yellow was 2.5cm while Red was 1.7cm! Within 3 minutes Red had decreased in height by 2.3cm! Yellow made the most wax that went in all directions (below picture). Comparing the results from the first experiment and the second, I saw a pattern that the White and Green coloured candle were always the ones being last to be burnt. So if you're looking for a long-lasting candle, buy either a white or green and try not to purchase a Red colour candle as from my observations and testing, this was the colour that burnt the fastest.
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