The color in the candle flame shows the fuel used. It also shows temperature. The colder part of the flame is red and the closer the color is to white is the hottest. The blue color comes from the soot of the wick.
The color of the flame depends upon temperature. Please see this link.
The flame of a candle is a source of light.
See if this linked page helps.
A candle flame is seen because it consists of glowing gases.
it indicates that the blue is the high heat the the red orange is for low heat
Purple is the color the flame gets when it is very, very hot. I don't know how a candle can get that hot, though. It's got no spiritual meaning! It's just hot!
well both an animal and a flame candle need oxygen to survive
The candle burns with a single flame.
The flame of a candle is a source of light.
Yes a candle wick is necessary to get the candle flame. The molten wax ascends the wick by capillary force and burns to create the flame.
No The temperature of the candle flame is out of the temperature range of the clinical thermometer.