Putting the flash in fireworks
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Transcript of Putting the flash in fireworks
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7/28/2019 Putting the flash in fireworks
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Putting the flash in fireworksQuick, violent chemical reactions put the bright colors in fireworks.A similar, more gentle reaction occurs in a fluorescent lamp:
Fireworks Fluorescent light
Shellexplodes,generates
heat
Electric current makes gasin tube give offultraviolet(UV) light
UV light excitesphosphorson insidewalls oftube
Explosionheats
metals,other
chemicals
infirework
Metal or chemicalgives off light
Phosphorgives off light
Transfer energy
Release energy
Make energy
Greens
Golden white
Yellow-orange
Reds
Purple
Barium
Iron, magnesium,aluminum
Sodium
Strontium
Potassium
Warm, reddishdecorator light
Cold, bluish lightused in office
Purple-tinted lightfor indoor gardening
Full-spectrum lightthat simulates daylight
2013 MCTSource: Argonne National Laboratory Division of Educational Programs
Color depends on whatelement creates it
Color depends onphosphorus compound used
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