1. Fireworks

2. ●
●
●
Parts of a Firework
Break: A container
with 2 compartments
each holding a
bursting charge
Time delay: A fuse
that slowly burns all
the way through the
firework causing
each part to explode
separately
Stars: Stars that
explode in a single
firework

3. Parts of a Firework
●
●
●
●
Black powder: The
basic material inside
a firework
Launching tube: The
tube that holds the
mortar and the
firework
Fuse: Wire that
connects with Lift
charge
Lift Charge: Charge
that gets the firework
in the air

4. ●
Chemical Reactions
Potassium chlorate
and gun powder
makes an energetic
source of oxygen
causing the
temperature to rise
●
●
Black powder and a
fuse make an
explosion which
releases gas
The Chemical reaction
in stars is caused by
black powder and a
special substance
which gives off light
and heat

5. The elements and compounds that
make up the colors
●
Sodium = yellow
●
Calcium = orange
●
Strontium + lithium =
red
●
Barium = green
●
Copper = blue
●
Strontium + copper =
purple
●
Magnesium = white
●
Titanium = silver

6. History of Fireworks
●
The chineese were the
first to make
fireworks 1000 years
ago.They developed
firecrackers and
rockets from sulfer,
charcoal and
potassium
nitrate.Fireworks
were used for scaring
away spirits and were
dull in color
Marco Polo brought fireworks to Italy resulting
in Italy becoming the capital of fireworks.

7. History of Fireworks
●
●
In the 1800s fountains
,wheels and images of
fireworks were made.
After the Industrial age
the understanding of
fireworks was better.
Many children died after
fireworks were brought
to the public and
introduced to the kids.
4000 of them died
In 1980 there were more
every year until 1910 electronically fired
1914 new laws were
fireworks
passed

8. ●
●
The Palm design
has cylinders
traveling up and
then exploding
curving
downward like
palms.
Designs
The
Chrysanthemum
design has a
spherical patteren
leaving a trail
behind it.
The Roundel design has a circle of maroon shells exploding in a
sequence.

9. Sounds
●
●
The Bang of a Firework
is caused by a strong
case around the shell
so that when it
explodes a bang is
released
The whistle sound is
made by leaving a
drilled hole in the
bottom of the shell

10. Safety Tips
●
●
●
Dont sit too close to
the fireworks
display to avoid
ear damage
Keep fireworks
away from pets
Get an Adult to
launch bigger
fireworks

11. Safety Tips
For people making
fireworks there are
also rules that they
must follow:●
●
Wear ear protection
incase something
goes off
Never experiment with
the fireworks without
supervision

12. Sources
●
http://science.howstuffworks.com/innovation/fireworks.htm
●
Fireworks Vicki Cobb
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Fireworks raintree fusion
●
Modern marvels
●
Nova