1. Fireworks
Sarah, Austin, and JC...

2. Parts of a Firework
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Fuse, String
Loop, Shell
Casing, Stars,
Burst Charge,
Time Fuse,
Lift Charge...

3. How Chemical Reactions Act
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It works when the
products make a
new substance,
and that makes a
chemical
reaction.

4. Elements and Compounds Make
Certain Colors
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Lithium is a metal
used to make red.
Sodium compounds
make gold and
yellow.
Barium is a metal
used to make green.
Iron flakes glow red
and orange when hot.

5. The history of fireworks
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Chinese used black powder
1,000 years ago.
4,000 people died yearly in
4th of July celebrations.
Until ads for fireworks
specifically targeted children.
The bicentennial celebration
in 1776 marked the
expansion of the popularity of
fireworks.
Fireworks were used against
Mongol invaders in 1279.

6. How Designs and Sounds Made
●
Designs and
sounds are made
by mixing
compounds,
stars, and
products together
to make
whatever shape
or sound you
want.

7. Safety Tips For Using Fireworks
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They use computer so they
don't have to light the
fireworks manually.
You need to leave
fireworks to professionals.
You need to be extra
careful.
Take reasonable
precautions.
Be prepared for injuries.

8. Sources
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http://science.howstuffworks.com/innovation/firewor
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http://www.pbs.org/wgbh/nova/kaboom
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http://www.glencoe.com/sec/science/webquest/con