Ad-Express and Daily Iowegian, Centerville, IA

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July 4, 2013

What gives fireworks their colors?

What makes one firework glow red and another blue? Different combinations of chemicals are incorporated to give Fourth of July fireworks their brilliant colors

Fireworks

What exactly gives fireworks their colors? According to Nathaniel Finney, senior lecturer in North Carolina State’s Department of Chemistry, fireworks get their brilliant colors from different metal salts heated to high temperatures.

Red

Lithium and strontium salts emit red light.

Yellow

Sodium salts are used to create yellow light.

Orange

Calcium salts are used for orange light.

Blue

Copper salts, despite the name, emit blue, not copper, light.

Green

Barium salts glow with a green light.

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The Iowegian wants readers to think about the 2014 Appanoose County Fair. It starts Monday and wraps up on Saturday with a demolition derby at 8 p.m. So, the question of the week is, "How many days do you plan to go to the Appanoose County Fair?

A. I plan to attend all six days.
B. I plan to attend five days.
C. I plan to attend four days.
D. I plan to attend three days.
E. I plan to attend two days.
F. I plan to attend one day.
G. I do not plan to go to the fair this year.
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