Rachel is a 35 year old school teacher who has no man in her life and lives with her mother.
Each element give off a particular color when heated in a flame. (Some are colorless). Copper gives off a green flame but to do that there must be some copper compound IN the flame. (there are many other elements that also could be causing a green flame).
Photo: Incandescence: objects with a lot of heat energy, like the heating elements in this electric fire, give off visible light energyâthey glow red, yellow, or white hot. Thermochromic materials change color at much lower temperatures and for very different reasons that have nothing to do with incandescence.hoto: Incandescence: objects with a lot of heat energy, like the heating elements in this electric fire, give off visible light energyâthey glow red, yellow, or white hot. Thermochromic materials change color at much lower temperatures and for very different reasons that have nothing to do with incandescence.