Page 25 - General_Knowledge_5

Tell me how?

What makes fireworks spread in the sky ?

Three kinds of gunpowder are used by the fireworks to make them
work. Launching power shoots fireworks into the sky. Expansion powder
makes the fireworks spread by exploding. Finally, as the fireworks keep
spreading through the sky, star power burns in different colours.

What makes fireworks spread out.

1. Explosion in the expansion powder takes place. It spreads out the

star powder.

2. Then the burning star powder spreads out the changes colours.

3. The star powder burns and spreads out, outside the ball.
Mortar How does it go boom?
The cannon that shoots Paper Cap
the unlit firework into the A look inside what makes fireworks go
sky. sky high when you’re blazin’ this Fourth.

Aerial Shell
A simple, well-
known style of Cardboard Disk
firework. keeps the shell in place
within the mortar.

Fast fuse
Shoots the unlit firework
into the air.

“Stars”
Gunpowder Explosives that from the points of
creates a high- light in the firework.
pressure gas Fireworks should be
when ignited.
Timed fuse handled carefully and
ignites the lift charge.
under the supervision of
an adult. It can otherwise
cause injury and harm.
Lift Charge Shell
A cache of gunpowder A casing usually made of
to launch the firework. plastic or paper.

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