a FIRST PERSON narrator is an I (occasionally a we) who speaks from her/his subject position. That narrator is usually a character in the story, who interacts with other characters; we see those interactions through the narrator's eyes, and we can't know anything the narrator doesn't know. a SECOND PERSON narrator speaks in you..
The heat of the metal determines the color of the sparks. Lithium-Lithium is a metal that is used to impart a red color to fireworks. Lithium carbonate, in particular, is a common colorant. Magnesium-Magnesium burns a very bright white, so it is used to add white sparks or improve the overall brilliance of a firework.Oxygen-Fireworks include oxidizers, which are substances that produce oxygen in order for burning to occur. The oxidizers are usually nitrates, chlorates, or perchlorates.he heat of the metal determines the color of the sparks. Lithium-Lithium is a metal that is used to impart a red color to fireworks. Lithium carbonate, in particular, is a common colorant. Magnesium-Magnesium burns a very bright white, so it is used to add white sparks or improve the overall brilliance of a firework.
View full size image. Behind the scenes of the dazzling light shows that spectators ooh and ahh at on the Fourth of July, are carefully crafted fireworks. Whether red, white and blue fountains or purple sparklers, each firework is packed with just the right mix of chemicals to create these colorful lights. Inside each handmade firework are small packets filled with special chemicals, mainly metal salts and metal oxides, which react to produce an array of colors.