2. Parts of Fireworks
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The parts of a
firework are the
shell, a fuse,
firework stars, and
gunpowder in the
center
3. How Firework stars are made
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●
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Stars are made first.
They are mixed with sticky
paste.
Then they are rolled out,cut,
and made into balls called
stars
Hundreds of stars are made.
Black powder is put in the
center.
They are wrapped, then
dried
4. ●
Chemical reactions
Gunpowder has air in it so it
will help burn because fire
needs heat, fuel, and
oxygen.
●
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The fuse is lit, when the fire
reaches the Gunpowder it
explodes, sending of metals
making colors in the sky.
If there is an other shell,it will
go off too.
5. How colors are made
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Copper - blue
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Barium - green
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Lithium - red
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Strontium - red
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Calcium – orange
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Sodium – yellow
6. ●
History of Fireworks
Chinese discovered
gunpowder
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In 1533 fire were used in
Britain for the first tome
During the Elizabethan
period, fireworks were high
entertainment
In the 1830`s the Italians
replaced potassium nitrate
with potassium chloride
7. Designs and sounds
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There are three types of
sounds made by fireworks.
A whistle is added to make a
whistle noise
By drilling a hole in the
center of the whistle it will
make a screechier.
If the whistle is sealed
completely it makes a bang.
8. Safety Tips for factories
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Buildings must be
separated by blast
walls.
Roofs weakened to
ensure that blast will go
upwards and not
outwards.
Fireworks have to be
assembled by hand.
Stand 840 Ft. back
9. Safety Tips for civilian use
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Do not cross safety
fences.
Never go near an
unexploded firework.
If you see an
unexploded firework,
tell an adult
●
Leave pets at home
●
Have water on hand.
10. Sources
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Nova Fireworks video
●
Rainbow Fusion Fireworks book
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http://science.howstuffworks.com/innovatio
n/fireworks.htm
www.cpsc.gov/en/SafetyEducation/SafetyE
ducation-center/Firework/
