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Fireworks
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Published on Nov 24, 2015
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PRESENTATION OUTLINE
1.
FIREWORKS
HOW DIFFERENT COMPOUNDS MAKE DIFFERENT COLORS
Photo by
James Niland
2.
HOW?
Elements contain different amounts of energy
Energy determines how much wave length is created which creates color
When atoms are heated they absorb metal salts that helps create color
Each element gives off a different amount of wavelength
As atoms reach highest state the excess energy is released as light
Photo by
magrolino
3.
CHEMICAL REACTIONS
Oxidizers produce the oxygen gas.
They burn reducing agents to excite atoms for the explosion.
commonly used oxidizers are nitrates, chlorates, and perchlorates.
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www.mazintosh.es + 700.000 Views
4.
pyrotechnic stars
Generate the colors in fireworks
Produce light when ignited
5 ingredients to create them
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www.luisesteban.cl
5.
5 INGREDIENTS
A fuel which allows the star to burn
Oxidizer
Color producing chemicals
A binder which holds the pellet together.
A chlorine donor which provides chlorine to strengthen the color of the flame
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Stuck in Customs
6.
WAVELENGHT
7.
ELEMENTS IN FIREWORKS
CaCl2 (calcium chloride) Orange
NaNO3 (sodium nitrate) Yellow
BaCl2 (barium chloride) Green
CuCl2 (copper chloride) Blue
Photo by
Lυвαιв
8.
WORKS CITED
http://www.fireworks.com/fireworks-university/pyrotechnic-compounds
http://www.livescience.com/32675-how-do-fireworks-get-their-colors.html
http://www.pbs.org/wgbh/nova/fireworks/anat_nf.html
http://scifun.chem.wisc.edu/chemweek/fireworks/fireworks.htm
Jacob Borkowski
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