Fireworks contain black powder, fuses, and colored elements that produce different colors when burned. Chemical reactions occur when compounds are mixed with black powder to create stars of different colors - yellow comes from sodium, orange from calcium, red from strontium, green from barium, and blue or purple from copper or strontium. Fireworks were invented in China over 1,000 years ago using black powder made from saltpeter, sulfur, and charcoal. They have since been used in celebrations and displays around the world. Safety tips recommend wearing ear protection and keeping a safe distance from fireworks.

1. Fireworks
By Ben & Douglas

2. Parts of a firework
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The parts of a
firework include
the: fuse, tube,
black powder,
sand, and a
second fuse.
Some fireworks are
made with a role of
paper and a fuse.

3. The chemical reaction
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To cause a
chemical reaction
compounds are
mixed with black
powder to make a
stars.
To make a color
black powder
burns with an
element that
explodes into a
color.

4. Colors with fireworks
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Yellow = sodium
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Orange = Calcium
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Red = Strontium
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Green = Barium
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Blue = Copper
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Purple = Strontium
or Copper

5. The history of fireworks
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Fireworks were invented by the Chinese about
1,000 years ago along with black powder. To
make black powder the Chinese mixed
together salt-peter, sulfur, and charcoal.
In 1749 peter the great of Russia ordered a
five hour salute using fireworks.
In the 1830's Marco Polo brought fireworks to
Italy
In the 1940's consumer Fireworks were
marketed toward children. Firework ads were
very popular toys in catalogs. ( Today you
have to own a license to own fireworks
because the government learned that it can be
dangerous)
In the 1900's the Zambelli family designed a
rainbow effect using aluminum.

6. The different designs
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The round shell – explodes
and sends colored stars in a
spherical shape.
Palm – a large cylinder that
explodes sends stars down
as a palm tree
Serpentine – explodes in
random bursts.

7. Safety tips
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Wear ear protection
when using with fire
works.
Never sit to close to
the fireworks display.
Never try to shoot off
fireworks at home
Use small amounts of
powder when firing

8. Bibliography
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Rain Tree Fusion Fireworks
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science.howstuffworks.com/innovation/fireworks.htm
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Modern Marvels Fireworks